Establishing Turfgrass Grass: Kentucky Bluegrass Term: Aeration
Kentucky Bluegrass (Poa pratensis) <ul><li>Shade tolerance: poor </li></ul><ul><li>Planting: seed or sod </li></ul><ul><li...
Kentucky Blue Grass <ul><li>Boat-shaped tip </li></ul><ul><li>Parallel blades </li></ul><ul><li>Short ligule, no auricle <...
Rhizome <ul><li>a horizontal plant stem with shoots above and roots below serving as a reproductive structure. </li></ul>
Stolon <ul><li>shoots that bend to the ground or that grow horizontally above the ground and produce roots and shoots at t...
Grass Growth Habits <ul><li>Bunch type –  </li></ul><ul><ul><li>Grows where a seed lands.  </li></ul></ul><ul><ul><li>Bunc...
Tall Fescue <ul><li>Cool season grass </li></ul><ul><li>Tolerates some shade </li></ul><ul><li>Plant by seed or sod </li><...
Tall Fescue <ul><li>Rolled leaf </li></ul><ul><li>Collar </li></ul><ul><li>Ligule </li></ul><ul><li>Auricle </li></ul><ul>...
Soil Preparation <ul><li>Best success when seeding bare ground </li></ul><ul><li>Use a tiller to prepare the seed bed </li...
Rototiller <ul><li>Front-tine – smaller & lighter, bounce a lot when trying to break new soil – work better for re-tilling...
Seeding <ul><li>Most economical </li></ul><ul><ul><li>Grass seed $15 - 20 for enough for 2,500 sq feet </li></ul></ul><ul>...
Seeding Rates $1.25 Bulk 6 - 8 250,000 Perennial Ryegrass $1.75 Bulk 3 - 5 350,000 – 600,000 Red Fescue $1 Bulk 4 – 8  170...
Seeding Lawn <ul><li>Establishing Lawn from Seed  Video: </li></ul>
Seeding and fertilization pattern <ul><li>Divide the amount of seed in half and sow half in each direction. </li></ul><ul>...
Lime <ul><li>Grass grows best at pH levels of 6.5 to 7 </li></ul><ul><li>Liming rates for 1000 sq ft </li></ul>None None N...
Establishing Turf by Seed <ul><li>Germination Rates: </li></ul><ul><ul><li>Fast – Perennial Ryegrass </li></ul></ul><ul><u...
Water <ul><li>Water frequently with small amounts </li></ul><ul><li>Keep the soil surface moist </li></ul><ul><li>Don’t wa...
Seed types <ul><li>Turfgrass blends </li></ul><ul><ul><li>Different cultivars of the same species </li></ul></ul><ul><li>T...
Grass seed label
Seed Labeling <ul><li>Have information about the quality of the seed </li></ul><ul><ul><li>Seed purity - % of identified s...
Lawn Renovation <ul><li>Kill everything and start-over </li></ul><ul><li>Kill existing grass with glyphosate (Round-up) </...
Overseeding <ul><li>Add new seed to existing lawn </li></ul><ul><li>Good for bare spots or to improve lawn traits </li></u...
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Establishing Turf

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Establishing Turf

  1. 1. Establishing Turfgrass Grass: Kentucky Bluegrass Term: Aeration
  2. 2. Kentucky Bluegrass (Poa pratensis) <ul><li>Shade tolerance: poor </li></ul><ul><li>Planting: seed or sod </li></ul><ul><li>Mowing height: 1 1/2&quot; - 2 1/2&quot; </li></ul><ul><li>Water: needs regular watering, will survive droughts by going into a dormant state </li></ul><ul><li>Spreads and recovers well – good sports turf. </li></ul><ul><li>Fertilization: needs regular fertilization </li></ul><ul><li>Cold/heat tolerance: Good cold, poor hot </li></ul><ul><li>Best lawn grass in appearance </li></ul>
  3. 3. Kentucky Blue Grass <ul><li>Boat-shaped tip </li></ul><ul><li>Parallel blades </li></ul><ul><li>Short ligule, no auricle </li></ul><ul><li>Underground Rhizomes </li></ul>
  4. 4. Rhizome <ul><li>a horizontal plant stem with shoots above and roots below serving as a reproductive structure. </li></ul>
  5. 5. Stolon <ul><li>shoots that bend to the ground or that grow horizontally above the ground and produce roots and shoots at the nodes. </li></ul>
  6. 6. Grass Growth Habits <ul><li>Bunch type – </li></ul><ul><ul><li>Grows where a seed lands. </li></ul></ul><ul><ul><li>Bunches get thicker </li></ul></ul><ul><ul><li>Don’t recover as well </li></ul></ul><ul><li>Creeping – </li></ul><ul><ul><li>Start where seeds land or by sprig </li></ul></ul><ul><ul><li>Spread by rhizomes & stolons </li></ul></ul><ul><ul><li>Repair themselves well </li></ul></ul>
  7. 7. Tall Fescue <ul><li>Cool season grass </li></ul><ul><li>Tolerates some shade </li></ul><ul><li>Plant by seed or sod </li></ul><ul><li>Mow 2 – 4” height </li></ul><ul><li>Moderate drought tolerance </li></ul><ul><li>Needs moderate fertilizer </li></ul><ul><li>Course textured, clumpy </li></ul><ul><li>Predominant lawn grass in Piedmont, Va. </li></ul>
  8. 8. Tall Fescue <ul><li>Rolled leaf </li></ul><ul><li>Collar </li></ul><ul><li>Ligule </li></ul><ul><li>Auricle </li></ul><ul><li>Rhizomes </li></ul>
  9. 9. Soil Preparation <ul><li>Best success when seeding bare ground </li></ul><ul><li>Use a tiller to prepare the seed bed </li></ul><ul><li>Remove sticks, rocks, clumps of old grass </li></ul><ul><li>Test the pH and the soil fertility </li></ul>
  10. 10. Rototiller <ul><li>Front-tine – smaller & lighter, bounce a lot when trying to break new soil – work better for re-tilling existing plots </li></ul><ul><li>Rear-tine – bigger & stronger work best for preparing unused areas </li></ul>
  11. 11. Seeding <ul><li>Most economical </li></ul><ul><ul><li>Grass seed $15 - 20 for enough for 2,500 sq feet </li></ul></ul><ul><ul><li>Seed specific cultivars or blends </li></ul></ul><ul><ul><li>Seeds develop into the area where they will grow </li></ul></ul>
  12. 12. Seeding Rates $1.25 Bulk 6 - 8 250,000 Perennial Ryegrass $1.75 Bulk 3 - 5 350,000 – 600,000 Red Fescue $1 Bulk 4 – 8 170,000 – 220,000 Tall Fescue $3 – 4 Bulk 1 – 3 1-2 million Kentucky Bluegrass Cost/pound Pounds/ 1000 sq ft Seeds per pound Species
  13. 13. Seeding Lawn <ul><li>Establishing Lawn from Seed Video: </li></ul>
  14. 14. Seeding and fertilization pattern <ul><li>Divide the amount of seed in half and sow half in each direction. </li></ul><ul><li>Remember to close the spreader when changing directions </li></ul>
  15. 15. Lime <ul><li>Grass grows best at pH levels of 6.5 to 7 </li></ul><ul><li>Liming rates for 1000 sq ft </li></ul>None None None pH 7 60 35 20 pH 6 150 127 67 pH 5 217 172 90 pH 4 Clay Loam Sandy Soil Texture
  16. 16. Establishing Turf by Seed <ul><li>Germination Rates: </li></ul><ul><ul><li>Fast – Perennial Ryegrass </li></ul></ul><ul><ul><li>Medium – Fescue </li></ul></ul><ul><ul><li>Slow – Bluegrass & Bermuda Grass </li></ul></ul><ul><li>Sow </li></ul><ul><ul><li>15 seeds/sq inch </li></ul></ul><ul><ul><li>Use rates recommended on the bag </li></ul></ul>
  17. 17. Water <ul><li>Water frequently with small amounts </li></ul><ul><li>Keep the soil surface moist </li></ul><ul><li>Don’t water so much as to create run-off </li></ul>
  18. 18. Seed types <ul><li>Turfgrass blends </li></ul><ul><ul><li>Different cultivars of the same species </li></ul></ul><ul><li>Turfgrass mixture </li></ul><ul><ul><li>Combination of two or more species </li></ul></ul><ul><ul><li>Examples: </li></ul></ul><ul><ul><ul><li>Shade mix </li></ul></ul></ul><ul><ul><ul><li>High traffic mix </li></ul></ul></ul>
  19. 19. Grass seed label
  20. 20. Seed Labeling <ul><li>Have information about the quality of the seed </li></ul><ul><ul><li>Seed purity - % of identified species </li></ul></ul><ul><ul><li>Seed viability - % of seed that will germinate </li></ul></ul><ul><li>Seeding rates </li></ul><ul><ul><li>Different seeds have different weights and seeding rates </li></ul></ul><ul><ul><li>Also information on spreader settings </li></ul></ul><ul><ul><li>Want ~15 seeds per sq. inch. </li></ul></ul>
  21. 21. Lawn Renovation <ul><li>Kill everything and start-over </li></ul><ul><li>Kill existing grass with glyphosate (Round-up) </li></ul><ul><li>Allow 3 weeks to die completely </li></ul><ul><li>Cut to ½” height </li></ul><ul><li>Dethatch </li></ul><ul><li>Reseed </li></ul>
  22. 22. Overseeding <ul><li>Add new seed to existing lawn </li></ul><ul><li>Good for bare spots or to improve lawn traits </li></ul><ul><li>Best in September </li></ul><ul><li>Cut grass short (1”) </li></ul><ul><li>Remove clippings & thatch </li></ul><ul><li>Reseed </li></ul><ul><li>May need to add compost or topsoil </li></ul>

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