Spring Seeding and Cultural Practices for Cool Season Lawns
Spring (Mid March to early May) is a great time to seed cool season lawns. Shady areas especially. Otherwise, September is the next best time to seed cool season lawns.
There are always “bald” spots in our lawns in the spring. Mostly, these are caused by leaves left in the grass over the winter or for many other reasons. You can let them be until fall (which makes crabgrass control easier to deal with) you can “spot” treat them or “blanket” treat them.
Spot treating will require you to “cover” your spots with a sheet or card board so the crabgrass applications don’t interfere with seed germination. Blanket applications will require you to use “Tupersan”. Tupersan is the only pre-emergent that allows you to seed and still control crabgrass. Read the label carefully! It requires two applications (25-30 days apart) and still an application of conventional crabgrass control! You should only use Tupersan in full sun areas. Crabgrass won’t grow in the shade. Follow the “Step-By-Step” instructions and you will be fine. Expect to repeat the over seeding process in the fall as spring seeding jobs are rarely as successful as fall seeding jobs.
Cultural Practices after Seeding Cool Season Lawns
*Mow at 3-3 ½” all summer (Tall mowing height = deeper roots)
*Apply organic fertilizers as desired (I suggest 2 applications)
*Apply pesticides only with a full understanding of their intent
*Water with a purpose and knowledge of your capabilities
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