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Fall Lawn CareFall Lawn CareEasy as 1, 2, 3…Easy as 1, 2, 3…
Kansas State University
Dr. Jared A. Hoyle
www.KSUTurf.com
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I have a cool-season grass…and I WANT A NEW LAWN!
Your in luck!! Fall is the
perfect time of year for
renovation and new
installs!
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RenovationIf your goal is to improve an existing lawn or fill
bare spots…
Then overseeding if the best choice instead of starting over
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Overseeding:A step-by-step approach!
1. Mow down the lawn short (1-1.5 inches)
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Overseeding:A step-by-step approach!
2. Power rake or core aerator– Seeder-slicer can also be used
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Overseeding:A step-by-step approach!
3. Seed selection - http://www.hfrr.ksu.edu/doc1853.ashx
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Overseeding:A step-by-step approach!
3. Seed selection - http://www.hfrr.ksu.edu/doc1853.ashx
“other crop”Good or Bad
Ex. 0.5% other, end up planting 12 to 16 seeds per square
foot!!!(<0.01% good seed)
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Overseeding:A step-by-step approach!
3. Seed selection - http://www.hfrr.ksu.edu/doc1853.ashx
“weed seed”Mainly concerned with annual bluegrass and
orchard grass*no selective control in
home lawns*
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Overseeding:A step-by-step approach!
4. SowingBroadcast spreader Drop spreader
Apply in two directions *make sure you overlap*
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Overseeding:A step-by-step approach!
5. Seeding Rate•Kentucky bluegrass (2-3 lbs per 1,000 square ft)•Tall fescue (3 lbs per 1,000 square ft)
•Must have good seed-soil contact–Use a verti-cutter to cut grooves into ground.–Use a garden rake for small spots.
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Overseeding:A step-by-step approach!
6. Fertility– Soil test– Apply (broadcast spreader) starter fertilizer right
after you are done seeding, before you start watering
– Lawn-starter fertilizer according to label if no soil test was conducted
– 0.5 lbs N per 1,000 square ft
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Overseeding:A step-by-step approach!
7. Irrigation– Thoroughly soak seedbed to a depth of
sever inches– Gentle watering so seed doesn’t wash– Keep seed bed moist w/ frequent light
watering– After germination keep moist– As roots develop and grow deeper
water less frequent but soak more thoroughly until normal watering schedule is established.
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Overseeding:A step-by-step approach!
8. Small areas– If only few areas need to be reseeded, prepare with hand
rake.– Sow– Spread thin layer of soil or work in with rake.
• Soil to seed contact
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Steps for Overseeding/RenovationSteps for Overseeding/Renovation
• Watch the overseeding video on Healthy Yards Website.
• Key concepts. – Seed to soil contact.– Apply starter fertilizer right after you are done
seeding, before you start watering.– Irrigate deeply at first, then light and frequent.
• Irrigate a little bit, every day. Keep surface damp.
– Mow as soon as grass gets to recommended height. – Can’t apply weed controls until after 3 mowings.