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Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
Establishing Turf
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Establishing Turf

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  • 1. Establishing Turfgrass Grass: Kentucky Bluegrass Term: Aeration
  • 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&amp;quot; - 2 1/2&amp;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. 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. Rhizome <ul><li>a horizontal plant stem with shoots above and roots below serving as a reproductive structure. </li></ul>
  • 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. 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 &amp; stolons </li></ul></ul><ul><ul><li>Repair themselves well </li></ul></ul>
  • 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. 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. 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. Rototiller <ul><li>Front-tine – smaller &amp; lighter, bounce a lot when trying to break new soil – work better for re-tilling existing plots </li></ul><ul><li>Rear-tine – bigger &amp; stronger work best for preparing unused areas </li></ul>
  • 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. 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. Seeding Lawn <ul><li>Establishing Lawn from Seed Video: </li></ul>
  • 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. 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. 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 &amp; 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. 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. 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. Grass seed label
  • 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. 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. 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 &amp; thatch </li></ul><ul><li>Reseed </li></ul><ul><li>May need to add compost or topsoil </li></ul>

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