Why Dormant Seeding Is a Great Strategy for Minnesota Lawns

When it comes to building a thick, healthy lawn in Minnesota, dormant seeding (also called “frost seeding”) offers some compelling advantages. Based on research and recommendations from the UMN Extension, it’s a low-risk, smart way to improve turf density — especially in our cold-climate conditions.

Here’s why dormant seeding is worth considering, particularly for Minnesota homeowners:

Key Advantages of Dormant Seeding

1. Minimal Site Preparation

One of the biggest perks of dormant seeding is that it requires very little soil disruption. According to UMN Extension, often no soil tilling or heavy prep is needed — you can simply broadcast seed directly over thin turf. This simplicity makes dormant seeding less labor-intensive than a full spring or fall renovation.

  • For minor overseeding, you don’t even need to rake: seed does not have to be raked in.

2. Improved Seed-to-Soil Contact Through Freeze-Thaw Cycles

Minnesota’s winter weather actually helps dormant seeding succeed. The natural freeze–thaw cycles push the seed into the soil, promoting strong seed-to-soil contact — which is crucial for good germination once spring arrives.

  • Better contact means that more of your seed will survive and produce healthy seedlings.

3. Flexible Timing for Seeding

Dormant seeding offers a wider window than traditional spring or fall seeding:

  • In Minnesota, the ideal dormant-seeding period is when soil temperatures are below 40°F, which usually happens from early November to mid-March.
  • This longer window means you can plan seeding when it’s most convenient and safe, rather than being squeezed into a narrow spring or fall timeframe.

4. Reduced Watering Needs

Because dormant seeding takes place over winter, seedlings benefit from snowmelt and natural precipitation in early spring. UMN Extension notes that this reduces the need for intensive watering immediately after seeding.

  • When the seedlings emerge, you may need to water if conditions are dry, but the reliance on supplemental irrigation early on is generally lower than for spring-seeded lawns.

5. Early Spring Growth Before Weeds

One of the biggest competitive advantages of dormant seeding: by the time common spring weeds (like crabgrass) start to germinate, your new grass has a head start.

  • The dormant seed germinates as soon as soil warms, so seedlings can establish before weeds become a serious problem.
  • This early emergence helps foster denser, more competitive turf.

Trade-Offs & Things to Watch Out For

Dormant seeding is powerful, but it’s not without its trade-offs:

  • Risk of Dry Spring: If the spring after seeding is unusually warm and dry, seedlings might struggle if they don’t receive enough moisture.
  • Potential Seed Loss: While not always observed, there is a risk of seed predation (e.g., by birds) in bare or thin spots. UMN Extension suggests late-winter seeding to reduce this risk, or using a germination blanket on more exposed areas.
  • Slope Erosion: On steep or exposed slopes, you may need extra measures — like erosion blankets — to keep seed from washing away.

Best Practices for Dormant Seeding in Minnesota

Here are some UMN Extension–recommended tips to maximize the success of dormant seeding:

  1. Choose the Right Seed Mix
    1. Use cool-season grasses well suited to Minnesota: Kentucky bluegrass, fine fescues, or tall fescue.
    1. Buy 10–20% more seed than you think you’ll need because you may need to overseed thin areas in the spring.
  2. Prep Smartly
    1. Clear excessive leaf litter so seeds can reach the soil
    1. For minimal disturbance, skip tilling; but for bare soil or slopes, consider a germination or erosion-control blanket.
  3. Seed Correctly
    1. Spread seed in dry conditions, using a drop spreader for large areas.
    1. Apply half the seed rate, then spread again in the opposite direction for better coverage.
    1. Do not rake after spreading; the freeze-thaw cycle will do the work of incorporating the seed.
  4. Manage in Spring
    1. As temperatures rise above ~40°F, seedlings may begin to germinate. Monitor and water if needed.
    1. Once most seedlings are about 3 inches tall, mow for the first time.

Conclusion

In summary, dormant seeding is a highly effective, low-maintenance strategy for Minnesota lawns. By leveraging natural winter processes, it helps you establish or renovate turf with minimal preparation, less watering pressure, and an earlier start than traditional seeding. While it’s not without risks — spring weather fluctuations and
moisture — the benefits often outweigh the drawbacks when done thoughtfully.

If you’re looking to thicken your lawn, renovate thin or bare spots, or reduce spring seeding stress, dormant seeding is definitely worth a try. Let our team help so you have a healthy green lawn in the spring. Contact the experts at Organic Lawns by LUNSETH to take the first step toward a greener, healthier, chemical-free lawn in 2026.

Preparing for Winter: Mowing, Raking or Mulching, Dormant Pruning

Autumn is here and the trees are shedding their leaves. Your yard is entering a critical period that can affect next spring’s growth. Fall yard maintenance isn’t just about keeping things tidy—it’s about giving your lawn and landscape the care they need to rest and regenerate. From deciding whether to rake or mulch those fallen leaves, to giving your grass one last proper mowing, to knowing when to do some dormant pruning, now’s the moment to develop a plan so your outdoor spaces have a healthy, beautiful comeback when warmer days return. Here are some helpful tips from the University of Minnesota Extension Service.

Rake or Mulch

Mulching leaves into your lawn isn’t just sustainable – it’s an effective practice for healthier turfgrass. Mulch regularly when leaves are dry, and double pass for a finer mulch. This enables them to break down quickly and integrate into the lawn and saves you the labor of picking them up.

While mulched leaves do not return as much nitrogen as grass clippings, this still reduces the need for supplemental fertilizer and is a more eco-friendly and cost-effective practice.

In addition to releasing nutrients, decomposing leaves improve soil structure. The improved soil structure leads to better water infiltration, moisture retention, and root growth. It also improves access to nutrients, water, and air.

Leaf mulching is also very effective as a weed preventative as it covers bare spots and inhibits weed seed germination.

But, there’s a point when excessive leaves left on the surface can damage the lawn in the spring. For example, excessive tree leaf residue can promote snow mold damage.

The extension service recommends mulching tree leaves until you can only see about half of the lawn surface. When less than 50% of the lawn is visible, begin bagging the tree leaves to compost them off-site.

Mowing Grass

Should you mow your lawn shorter going into the winter? Extension says it depends. Some of the benefits of mowing your lawn a little shorter:

  • Makes collecting tree leaf litter easier.
  • Reduces the risk of snow mold diseases.
  • Reduces damage from burrowing rodents like voles.
  • Helps with dormant seeding. 

But they caution not to lower the mowing height too much all at once, and not any lower than 2 inches after mowing. In general, never cut more than one-third of grass height in a single cutting – this might stress the grass plants going into winter.

Wait to Prune!

Fall is not the time to start pruning back your trees and bushes. The best time to prune is in the late winter, just before spring growth starts. This way the fresh wounds are exposed for only a short length of time. Then the new growth begins the wound sealing process.

Pruning at the proper time can avoid certain disease and physiological problems:

Need Help Preparing for Winter?

Let our team help you get your yard ready for the winter, so you have a healthy green lawn in the spring. Contact the experts at Organic Lawns by LUNSETH to take the first step toward a greener, healthier, chemical-free lawn in 2026.

Fertilizer and Weed Control in the Fall Helps Your Lawn in the Spring

Applying organic fertilizer and weed control in the fall is important. The fertilizer provides slow-release nutrients that strengthen root systems, store energy for winter survival, and improve the overall health of plants and soil. Organic weed control makes it harder for weeds to overwinter, helping your lawn have less weeds in spring by winning the competition with weeds for resources. Using fertilizer and weed control in the fall leads to a more resilient lawn and better plant growth in the spring.

Benefits of Fall Organic Fertilizer

Organic fertilizers build a healthy soil ecosystem and improve soil quality over time, creating a sustainable foundation for healthy plants.

Promotes Root Growth

As plants shift to root development in the fall, organic fertilizers provide essential nutrients for strong root systems, improving their ability to survive harsh conditions.

Supports Nutrient Storage

Fall fertilization helps plants store essential nutrients in their roots and other tissues, providing a reserve to survive winter dormancy and fuel new growth in the spring.

Enhances Winter Resilience

The stored nutrients and strengthened root systems make plants more resistant to winter stress, diseases, and environmental damage, improving their overall survival and health.

Organic fertilizers release nutrients slowly, providing a steady supply of food to plants throughout the fall and spring.

Improves Soil Health

Unlike synthetic fertilizers, organic options directly contribute to improving the soil’s physical, chemical, and biological properties, creating a healthier environment for plants to thrive.

Organic fertilizers feed beneficial soil microbes, which improve soil structure over time. This fosters a healthier, more sustainable soil ecosystem.

Encourages Earlier Spring Growth

The nutrients stored over winter give plants a head start in the spring, allowing for faster green-up and earlier, and stronger, growth.

Recovers from Summer Stress

Organic fertilizers can help repair damage from summer heat, drought, and heavy foot traffic by replenishing nutrients and promoting overall recovery.

Why Fall is Key for Organic Weed Control

Fall is the best time for organic weed control because it , targets perennial weeds when they’re at their weakest, and allows for a healthy, weed-free lawn in spring by outcompeting weeds for resources.

Targeting Perennial Weeds

Broadleaf perennials like dandelions and clover move nutrients to their roots for winter storage in the fall. Applying organic controls now is more effective at suppressing the entire plant, including its roots. The plants are unable to recover before winter, meaning they have a lower chance of returning in the spring.

Promotes a Healthy Spring Lawn

By suppressing weeds in the fall, you help your grass better compete for the necessary water, sunlight, and nutrients needed to be strong and dense in the spring.

The Right Grass Seed Leads to Spring Success

The seed used at Organic Lawns by LUNSETH is specially selected for winter resilience, ice cover tolerance, and disease resistance. Contact the experts at Organic Lawns by LUNSETH to take the first step toward a greener, healthier, chemical-free lawn in 2026.

Why Choosing the Right Grass Seed Matters – Especially in Minnesota

At Organic Lawns by LUNSETH we believe organic lawn care is about working with nature—not against it. And that starts with understanding the unique conditions of our state and selecting the right grass seed for the job. This month we review why the right seed matters, the best types of grass seed for Minnesota lawns, and red flags about generic seed mixes.

Minnesota’s Climate: A Lawn-Care Challenge and Opportunity

Minnesota lawns face a wide range of conditions throughout the year—icy winters, wet springs, humid summers, and dry spells in between. That means your grass seed needs to be hardy, adaptable, and suited for cool-season growth.

Unlike other parts of the country, Minnesota lawns do best with cool-season grasses—varieties that thrive in spring and fall, when temperatures are milder.

Why the Right Seed Matters in Organic Lawn Care

Organic lawn care relies on building long-term soil health and resilience. The wrong seed makes achieving those goals difficult by requiring more water, more fertilizers, or more pesticides—exactly what we’re trying to avoid.

Here’s why buying the right seed pays off:

  • Reduced Weed Pressure – High-quality, allelopathic, grass seed creates a thick, healthy lawn that naturally crowds out weeds..
  • Less Watering –  low-maintenance grass species require less irrigation.
  • Stronger Roots – The right grass seed means deeper roots, which equals better drought resistance and less stress.
  • Fewer Inputs – You won’t need to add synthetic fertilizers or harsh chemicals when your lawn is already thriving.

Top Grass Types for Minnesota Lawns

Our friends at the University of Minnesota Extension Service provide excellent guidance for choosing the right grass seed for your lawn.  Here are their recommendations.

Fine fescues

This species includes 5 fescues:

  • strong creeping red (most tolerant of tree shade)
  • slender creeping red
  • hard (the most drought-tolerant)
  • Chewings (most tolerant of tree shade)
  • Sheep (lowest maintenance)

Fine fescue is drought, shade, and salt-tolerant, but doesn’t do well in extreme heat. It has lower maintenance requirements, including less irrigation, mowing, and fertilizing. But, do not mow in the summer heat. Fertilize in the fall if needed.

A mix of strong creeping red, Chewings, and hard fescue is excellent for home lawns.

Tall fescue

Tall fescue is one of the most drought-tolerant turfgrasses for Minnesota due to deep, extensive roots. And it can be used in the shade. It also tolerates wear and traffic. Be patient, though, because it has a slow spring green-up.

Make sure to purchase turf-type tall fescues for lawns. Seeding in the spring helps the grass survive winter better in the first year. Do not plant in areas that hold ice in the winter.

Beware of Cheap or Generic Seed Mixes

Not all grass seed is created equal. Many big-box store brands contain:

  • Low germination rates
  • Invasive weed seeds
  • Species that don’t perform well in Minnesota’s climate

That’s why LUNSETH always recommend buying regionally appropriate, high-quality, and preferably certified organic grass seed from trusted suppliers. Our general rules include

  • When in doubt, buy the most expensive because it’s most likely to germinate
  • Don’t buy anything that includes unknown varieties
  • Try not to buy anything that says annual because it won’t overwinter
  • Look at the back of the seed bag and follow the below guidelines:

Purity > 85%
Germination > 85%
Weed seed < 0.3%
Other crop < 0.5%
Inert matter < 8%
Date tested = within the last 9-months

 

Need Help Choosing the Right Grass Seed?

Let our team take the guesswork out of grass seed selection. Whether you’re starting a new lawn or overseeding an old one, we help homeowners choose and sow seed blends that are tailored to their soil, sun conditions, and usage needs—without compromising your organic goals. Contact the experts at Organic Lawns by LUNSETH to take the first step toward a greener, healthier, chemical-free lawn

 

Hearty and Drought Tolerant Grasses

The Twin Cities has had consistent rainfall during the summer of 2025, with many of the storms being torrential.  Research shows that this is part of a new weather pattern created by climate change, and now we’re approaching the time of year when we can go for long stretches without significant rain. But you have options to help maintain your lawn during these extreme conditions.

Weather Extremes – More Rain & More Drought

The University of Minnesota Climate Adaptation Partnership predicts that as climate change continues, “we expect more frequent and intense heavy rain events, with long dry periods in between.” They go on to say that “the length of consecutive dry days (CDD) is projected to increase more in the Midwest than in any region in the United States, up to 25% by 2100. This means that if we historically expected a dry period to last 8 days, we might expect it to last 10 days in the end of this century. We also expect a decrease in overall summer precipitation and a decrease in light rain events, but an increase in moderate and heavy rain events.

Turf Options

This is the time when our yards are getting a combination of the most intense sunlight and extreme heat of the season.  Many grasses will reach their wilting point and will go dormant under these conditions.  Luckily, grasses won’t start to die until they have 40 days of no moisture. But there are many varieties of grasses that can tolerate these environments better, leaving you with a green lawn even during drought.

The University of Minnesota Extension Service recommends tall fescue and fine fescue for Minnesota lawns.  They state that “these grasses can remain green for at least 28 days without water. Tall fescue is especially known for its heat and drought tolerance.

“Among the fine fescues, hard fescues have excellent drought tolerance. Chewings fescue and slender creeping red fescue have good to excellent drought tolerance. And strong creeping red fescues have good drought tolerance.”

Contact the experts at Organic Lawns by LUNSETH to learn how to convert your turf to a drought tolerant lawn. 

How Organic Compost Tea Improves Soil Quality and the Health of your Lawn

Organic compost tea is a water-based extract of compost that can be effectively used in organic turf management. It’s made of just two simple ingredients: compost and water. Good compost is successfully aerated, alllowing it to maintain oxygen levels necessary for aerobic functioning. It’s also necessary that the compost consists of the right balance of chemical compounds, is rich in nutrients, and contains beneficial microorganisms.

Why Have Your Lawn Treated with Compost Tea?

Organic compost tea has a number of positive effects on your lawn, including:

  • Adds nutrients to your lawn.

Compost tea contains a number of important macronutrients that are beneficial to your lawn—including magnesium and potassium, while also containing helpful micronutrients, such as iron and zinc. Applying such nutrients can boost overall soil quality.

  • Reaches important areas of your lawn.

Compost tea reaches deep into the soil, it also comes into contact with leaves, and it’s absorbed through foliar feeding.

  • Helps to control weeds.

Adding compost tea improves soil quality, which in effect discourages weed growth (notably, some weeds thrive in lawns that don’t contain a sufficient amount of nutrients).

  • Helps with repelling insects.

Compost tea can contain microbes effective against chitin, a biopolymer that forms the exoskeletons of insects; it can also improve overall plant quality in a way that makes plants less susceptible to harmful insects in the first place.

  • Helps with plant disease control:

According to the Northwest Center for Alternatives to Pesticides, compost tea has shown some promise in controlling diseases in plants when applied as root drench—helping against some soil-borne diseases.

Applying Organic Compost Tea To Your Lawn

During the application process, LUNSETH blanket applies the aerated compost tea to your entire lawn. The lawn will green up quickly, so results are seen right away. This is a great way to give your lawn a mid-season boost.

Adding compost tea to your organic lawn care plan can be an effective means of increasing microorganisms, improving your soil quality and the overall health of your lawn. By applying compost tea you can trust that you’re utilizing a safe, organic solution that excludes pesticides and synthetic chemicals.

If you’re interested in having a yard filled with color this summer, contact the experts at Organic Lawns by LUNSETH to create the best program for your yard.

Maintaining New Lawns

Last month we reviewed the process for a sustainable lawn renovation.  This month we provide tips to give your new yard its best chance of thriving. The University of Maryland Extension provides excellent guidance.

Watering

  • Once seed germination has begun do not let the seed dry out
  • A newly seeded lawn requires daily watering during dry periods. 
  • If there’s a stretch of windy and dry days, your grass may require several light waterings a day.
  • Sandy soils dry out quickly, require more watering, and using a light mist is best.
  • Mature grass seedlings require less frequent watering, but they should be watered longer when you do.
  • It’s best to water earlier in the day so the grass does not remain wet overnight.

Mowing

  • Mowing lawns too short or infrequently causes grass to become susceptible to drought injury, weed infestations (especially crabgrass), and foot traffic injury.
  • Mow new turf when it reaches a height one-third higher than your normal mowing height. Usually this is four to six weeks after seeding.
  • Remove only one-third of the grass’s height in each following mowing. Removing too much of the leaf blade at each cutting stresses the new lawn.
  • Soil should be dry enough so that ruts are not formed by the wheels of the lawnmower.
  • Mowing typically needs to be done on a weekly basis during the growing season.

Fertilizing

  • Follow-up applications of fertilizer are made as part of a regular maintenance program.  
  • Organic Lawns by LUNSETH’s organic fertilizer solution provides a proven alternative to chemically-based lawn care — delivering a number of benefits that aren’t possible when treating your lawn synthetically. Being 100% organic means our fertilizers contain a purely balanced food source and do not feature synthetic chemicals that can be detrimental to your health and harsh on your lawn. By hiring us to apply our 100% OMRI-certified organic fertilizer to your lawn, your grass won’t just look great, it’ll be healthy in a way that’s very environmentally advantageous.

Weeds

  • Weeds have been resting all winter and can’t wait to shoot through and start growing.  Thin or bare soil areas combined with sunlight and warm soil temperatures create a perfect opportunity for germination of many of our annual weeds. 
  • These weed seeds aren’t just perennials that lay dormant over the winter. They can be blown in by the wind or be carried in by our bird friends. Early spring is the time to start looking for these intruders and taking steps to reduce their spread. 
  • Read LUNSETH’s Blog Post, “Handle Spring Weeds Now or Pay the Price Later”, to learn about some of the most common weeds we see in Minnesota, along with our tips for getting them under control.

Traffic

  • Young seedlings are easily injured. Newly seeded areas should be restricted from foot traffic for a least a month after the seed has germinated or until the new lawn has been mowed at least a couple of times. 

If you’re interested in having a lush, organic lawn, contact the experts at Organic Lawns by LUNSETH to create the best program for your yard.

Identifying and Controlling Grub Damage

Grubs have become a real nuisance the past few years. LUNSETH addresses this issue in a number of communities throughout the Twin Cities. How do you know if you’ve got grubs or not?  Our friends at the University of Minnesota Extension Service have excellent information and suggestions for handling grubs..

Identifying Grub Damage

There are several indications that white grubs are damaging your lawn. These include:

  • Irregular patches of dead or dying grass that resemble drought stress.
  • Early signs of a white grub infestation are apparent when an irrigation system has been running or we have had regular rainfall and the drought symptoms are still present.
  • Moderate grub damage involves observing dead or dying turf with little to no roots when pulling on the turf.
  • More severe white grub damage is sometimes not caused by the grubs themselves, but by animals like racoons and skunks turning over the turf to feed on the grubs.

Controlling Grubs

What can you do about grubs? The good news is there are very effective organic solutions to get them under control. The Turfgrass newsletter references a biological insecticide, GrubGone (Baccilus thuringiensis galleriae), as the only known biological insecticide to work effectively. It works as a preventative treatment and needs to be applied in advance of a white grub infestation. 

Contact LUNSETH for a quote on our grub control services. We’ve helped people all around the Twin Cities get their grub damage under control.

Preparing Your Lawn for Spring Topic #1: Snow Mold

It seems odd to think about taking care of your yard during February in Minnesota. But now is a great time to start planning your lawn care for the upcoming spring, especially if you’re focused on organic lawn care. 

For the next few months, LUNSETH will provide details (with information from the University of Minnesota Extension Service) about common challenges for Minnesota yards, and the recommended organic solutions to deal with them.

What is Snow Mold

When the snowmelt is on and we start to see our lawns appear in Minnesota, most yards have some, or a lot, of snow mold. It’s typically circular patches of matted, greyish grass up to 3 feet in diameter. 

U of M Extension describes snow mold as “…a fungal disease that can be caused by 3 different pathogens (Typhula spp. and Microdochium nivale). All Minnesota lawn grasses can be affected, although fine fescue grasses are less susceptible. Snow mold disease damages grass leaves but usually will not kill the entire plant.” 

Repairing Grass with Snow Mold

Snow mold might look bad, but it shouldn’t permanently damage the lawn. To promote recovery, lightly rake these areas to loosen the matted leaves. Make sure to lift the matted grass completely to let air circulate in that part of the lawn. No chemicals – just a little effort. It doesn’t get any more organic than that.

Timing is important, too. You need to stay off of the lawn until it has a chance to dry out.  Foot traffic on wet, damaged grass can cause even more damage. And, you especially DO NOT want to rake up the snow mold when it’s wet because you’ll end up pulling out your grass plants. Then you’ll have to seed the lawn if you want grass to return.  

Preventing Snow Mold Next year

There are a couple of simple steps to take at the end of the growing season to try and prevent snow mold next spring. First, continue to mow your turf well into the fall.  Second, when snow does come, avoid creating large, long-lasting snowbanks on your grass when shoveling snow from your sidewalks and driveways.

Conclusion

February might feel like the dead of winter in Minnesota, but it’s the perfect time to start planning for a healthy, organic lawn this spring. By planning and scheduling your organic lawn care treatments today, you’ll be ahead of the game when the warm weather finally arrives.

Remember, organic lawn care is all about nurturing the health of your lawn and the environment. By taking small steps now, you’re not only preparing your lawn for a successful year but also creating a sustainable, eco-friendly outdoor space for your family to enjoy. Let’s make this year’s lawn care routine as green and healthy as possible!

If you need help preparing an organic lawn care plan for your yard, reach out to Organic Lawns by LUNSETH today

Aerate & Overseed Now!

Aerating and overseeding your lawn now is an important way to give your grass a jumpstart on next year’s growing season.


Aeration

All yards become compacted, and a yard that’s used a lot gets compacted a lot more! That’s one of the reasons why aeration is one of the most important services you can do for your lawn. The University of Minnesota Extension Service says that between late August and early October is the best time to aerate – so now is the time! Fall is an ideal time to aerate because the grass is still actively growing, but there’s less danger of spreading seeds from weeds during the process. 

There are several benefits of aeration. It improves the lawn’s health and relieves soil compaction, resulting in better water drainage and nutrient absorption by the roots.  Strong roots are essential for healthy grass. Also, plugs of soil from the ground are created during aeration. This allows air, water, and nutrients to penetrate the soil and reach the lawn’s root system.

Compacted soils and soils with poor drainage accumulate thatch faster than well-drained soils. Aerification stimulates the microbial activity involved in decomposing the thatch layer. Aeration plugs sit on the surface of the lawn and crumble apart over time. This top-dresses the grass with soil containing desired microorganisms that will work at decomposing thatch.


Overseeding

Fall is on the best time to overseed. Establishing grass now means it has less competition with weeds, and the cooler nights and sunny days allow for the successful germination of our cool-season grasses. In addition, immature grass does better over the winter than it does dealing with the stresses of summer. So getting it started in the fall optimizes its ability to establish in the spring.

Overseeding after aeration is great timing.  The holes created by the aeration process become great places to catch and protect the seed. And, the lawn is less compacted after aeration, giving the grass a better chance of rooting into the soil.

If you have a question about aeration and overseeding, or would like a quote for having your yard aerated, contact the experts at Organic Lawns by LUNSETH.