Tips offered for spring lawn seeding
SYCAMORE – Gardeners will soon see how much last summer’s drought impacted the landscape. It may take three to five years to see the impact on trees, but other plants respond quicker. Although most lawns revived better than expected last fall, University of Illinois Extension horticulture specialist David Robson anticipates many will need renovation this spring.
According to Robson, fall is a better time to seed. Spring results may be satisfactory, but summer’s heat can create problems. Grass plants need sufficient time to establish before hot and dry conditions set in. A strong root system and dense plant stand is the goal. Most grass types need six to 12 weeks of ideal growing weather once germinated to produce an adult stand.
Another problem with spring seeding is the competition with weed seeds germinating, especially crabgrass. Crabgrass pre-emergence weed controls are not formulated to distinguish between weed and desirable grass seed. A homeowner may end up with excellent crabgrass control as well as control of grass seedlings. Siduron or Tupersan can be used at half the recommended rate to provide some crabgrass control and allow grass seeds to germinate and grow. Read and follow all label directions.
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