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.


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.

Prostrate knotweed looks a little like prostrate spurge, but it is easy to distinguish the two. The knotweed has symmetrical leaves that are arranged in an alternating pattern along the length of its runner. It also lacks the milky sap that is typical of the spurge. The knotweed germinates very early in the spring and can sometimes be found peeking through as the snow melts. It was identified at its earliest this year at the Turfgrass Research Center, in February! It looks a little like grass when it first emerges, and is sometimes mistaken for emerging crabgrass. The knotweed will usually show up six to eight weeks or even more, before crabgrass.
Yellow woodsorrel (better known as oxalis and shamrock), is an annual or a weak perennial in northern regions of the United States. It is easily recognized by its three-part leaf with distinct heart-shaped leaflets and its yellow flowers with five petals. It germinates in midsummer and often becomes a problem in August.
Black medic is considered an annual clover, even though it is not part of the clover
Prostrate spurge, as its name would indicate, grows in a prostrate manner along the surface of the ground. It has leaves that are paired opposite one another along the length of its runner. The individual leaves are asymmetrical, meaning that they are not the same on both sides of the midrib. Some varieties will have a purple/red spot on the middle of the leaf. If the stem is broken, a drop of milky sap will form at the end of the broken stem. This sap can irritate the skin, so wear gloves when hand pulling this weed. Spurge and knotweed can be mistaken for each other, but knotweed does not produce a milky sap when the stem is broken and its leaves grow in an alternating pattern. Spurge generally germinates later than goosegrass, which germinates later than crabgrass.



