Re seeding drought killed lawns


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Re seeding drought killed lawns

  1. 1. Gardener’s Toolbox Series <br />2011<br />Is Your Grass Greener?<br />Lawn care after the drought<br />
  2. 2. Brought to you by:<br />Amy Aldenderfer<br />County Extension Agent<br />for Horticulture<br />
  3. 3. Overview<br />Key to a good lawn<br />General Maintenance<br />Getting Started<br />Grass Selection<br />
  4. 4. Key to a Great Lawn<br />Uniformity!<br />
  5. 5. Turf Care Calendar<br />AGR-55<br />AGR-55<br />Basic Lawn Care Requirements<br />Good reference to other publications<br />
  6. 6. To renovate or not?<br />< 50% Dead<br />Excessive Thatch<br />Weeds cover 20-40%<br />RENOVATE!<br />Compacted soil<br />> 50% Weeds or Bare soil<br />Serious thatch problem<br />RE-ESTABLISH!<br />
  7. 7. Why did the lawn deteriorate?<br />Do the corrective measures<br />Change management practices<br />
  8. 8. Do-it-yourself or professional?<br />You can do some of it yourself.<br />May rent equipment<br />
  9. 9. When?<br />“A poorly done fall (turf) seeding is still better than a well-done spring seeding.”<br />Bill Pound (Buckeye Yard and Garden Line)<br />Best time:<br />Mid-August through late September<br />Second best time:<br />Mid-February through March<br />
  10. 10. Determine grass type:<br />Bluegrass<br />Tall fescue<br />Fine fescues<br />Bermudagrass<br />Zoysiagrass<br />
  11. 11. Select the Right Grass<br />Kentucky Bluegrass<br />well-drained soils, full sunlt. Shade<br />fine texture, spreads<br />poor traffic, shade, low mowing height tolerance; severe grub susceptibility, thatch build-up, poor seedling vigor, <br />2 lbs./1000sq.ft.<br />
  12. 12. Select the Right Grass<br />Tall fescue<br />full sun med. Shade; heavy claysandy soil<br />good traffic tolerance<br />no serious insects, thatch, irrigation, <br />More frequent mowings, brown patch<br />6 lb./1000 sq. ft.<br />
  13. 13. Select the Right Grass<br />Fine Fescues<br />some shade<br />tolerant of: low fertility, drought, acid soils<br />very fine texture<br />poor traffic tolerance, clumps, grub damage, no heavy fertilization<br />2 lb./1000 sq. ft.<br />
  14. 14. Select the Right Grass<br />Bermudagrass<br />all varieties of questionable hardiness<br />excellent sod resiliency, spreading habit, heat/drought resistant, traffic tolerant, no mowing Oct. - April<br />dormancy period, invasive, vegetative propagation, thatch, no shade tolerance<br />May/June planting<br />
  15. 15. Select the Right Grass<br />Zoysiagrass<br />hardy throughout Kentucky<br />no serious heat, drought, cold problems<br />excellent sod resiliency, spreading habit, heat/drought resistant, traffic tolerant, no mowing Oct. - April<br />SLOW to establish!<br />
  16. 16. Provides a nutrient analysis<br />easy to take<br />FREE!<br />Takes 7-10 working days for results<br />Take A Soil Test<br />
  17. 17. Soil Test #1<br />When the Results Return<br />What information do you need?<br />
  18. 18. Steps to Renovation<br />Control existing vegetation<br />Scalp<br />Prepare surface<br />Add fertilizer<br />Apply seed<br />Lightly rake<br />Water<br />
  19. 19. Eliminate the Competition<br />Use non-selective herbicide<br />wait 7-10 days<br />Mow turf close<br />Selective herbicide<br />broadleaf weeds<br />wait 1 month<br />
  20. 20. Seed Bed Preparation<br />Seed to Soil Contact<br />Power raking<br />De-thatcher<br />Verticutter<br />Hand rake<br />
  21. 21. Clean Seed Bed<br />Rake off loose thatch<br />Add fertilizer (if necessary) at rate<br />no Nitrogen<br />
  22. 22. Apply Seed<br />In 2 - 4 directions<br />by hand<br />rotary spreader<br />drop seeder<br />slit seeder (professional only)<br />Rake in lightly<br />
  23. 23. Post-Renovation<br />Water<br />Fertilization<br />Mowing<br />Weed Control<br />
  24. 24. Lawn Maintenance<br />Regular Mowing – <br />Use sharp mower and cut at 3 inches.<br />Recycle your clippings by leaving them on the lawn. <br />Never cut more than 1/3 of the blade of grass at a time.<br />
  25. 25. Lawn Maintenance<br />Irrigate – <br />In absence of adequate rainfall, give your lawn 1 inch of water per week, 1/2 inch twice a week is best. <br />Water deeply, light watering creates shallow roots.<br />
  26. 26. Lawn Maintenance<br />Fertilize – <br />Take a soil test FIRST.<br />Use 4-1-2 ratio fertilizer for good lawn maintenance. <br />Fertilize in September, October and November. <br />
  27. 27. Lawn Maintenance<br />Control weeds, insects, and disease as needed.<br />Remember if you don't have a problem, don't try to fix it.<br />Spot treat as needed.<br />
  28. 28. Lawn Maintenance<br />Core aerate and control thatch. <br />Do this in the fall to establish a good seed bed. <br />De-thatch only if thatch exceeds 1/2 inch thickness.<br />
  29. 29. Autumn Tasks<br />Aug-Oct 1<br />Seed or renovate<br />Sept 1-Nov<br />Weed control<br />Sept-Dec<br />Fertilize<br />Anytime<br />Lime<br />Store and service mower<br />
  30. 30. Good Luck!<br />