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  #1  
Old 07-25-2003, 05:22 PM
Mfinley919 Mfinley919 is offline
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Join Date: Jun 2003
Posts: 22
Seeding vs Sod

We need to regrow an existing lawn (6000 sq ft), we can't really afford sod so we were thinking of seeding. Should we kill off the existing crappy turf and weeds first or just seed over it? If we just seed over the existing lawn and weeds will the new seed take over and crowd out the original nasty stuff. We will be seeding with Kentucky blue grass. Any specific type to use?

Can we get by with purchasing some horse feeding hay and covering the new seeds to keep them moist or will the hay introduce more crazy weeds and get us right back where we started?
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  #2  
Old 07-25-2003, 06:57 PM
TractormanAnson TractormanAnson is offline
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Join Date: Jul 2003
Location: Fort White Florida
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Where do you live?
What type of lawn do you have now?
Do you live in a dry or wet area?
How often do you want to mow?
How do you plan to seed by hand or tractor?
Do you have a tractor with a tiller or rake?

Most of the time it's worth while to hire a pro.
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  #3  
Old 07-25-2003, 08:19 PM
Mfinley919 Mfinley919 is offline
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Join Date: Jun 2003
Posts: 22
Where do you live? - Denver Colorado
What type of lawn do you have now? - Was Kentucky Blue grass, now mixture of weeds and other trash grass
Do you live in a dry or wet area? - dry
How often do you want to mow? - once a week has been the norm in the past with blue grass lawns
How do you plan to seed by hand or tractor? - by hand
Do you have a tractor with a tiller or rake? - no.

Most of the time it's worth while to hire a pro. - I would love to but unfortunately we have more time than money at this time.
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  #4  
Old 07-26-2003, 10:18 AM
TractormanAnson TractormanAnson is offline
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Join Date: Jul 2003
Location: Fort White Florida
Posts: 24
Have you tried repairing your lawn?
Sometimes scotts weed & feed works pretty good.
here's a link this site should help.

http://www.lawngrass.com/states/colorado.html

just copy and paste to your browser
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  #5  
Old 07-26-2003, 11:07 AM
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Lombardi Lombardi is offline
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Join Date: Feb 2003
Location: Pleasant Hill, MO
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If you can wait, fall would be the best time to seed. If you have a riding mower, rent or borrow a pull behind dethatcher to loosen the soil. Remove the excess waste, spread seed and then some starter fertilizer. If the surface is very bare, with no grass or anything to cover the seed, then spread straw as you mentioned. Water immediately and continue to do so a couple time a day for 10-14 days until the seed germinates. Until germination, the soil cannot be allowed to dry or the seed will not grow. Continue to water daily after germination. Good luck.
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  #6  
Old 08-06-2003, 03:02 AM
Mike Bradbury Mike Bradbury is offline
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Join Date: Jan 2003
Location: Fort Wayne,IN Zone 5
Posts: 495
depends

can you live with the trashy grasses which the blue will NOT crowd out?
If SO kill the weeds and rent a slitseeder to PROPERLY set the seed in the soil (MUST have soil/seed contact to germinate, scattering seed will result in less than 10% germination). No need to STRAW (DON'T use hay!!)
If NOT, spray whole lawn with roundup (or similar) to kill everything, then rent a slitseeder to properly set the seed. They rent for about $100 a day and you'll need 18lbs of seed for overseeding (existing turf) or 30lbs if you kill it all. Apply starter fert at the time of seeding and it will fill in MUCH better.
Blue grass requires THIRTY-THIRTY FIVE days of CONSTANT moisture to germinate! Rye (in blends) is what sprouts in two weeks. Stop watering then and you'll get NO bluegrass! Water twice a day at least, if it's dry on top when you come out for the next watering then you must increase the time or frequency. Seed MUST not dry out after it's gotten wet, or it's DEAD.
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  #7  
Old 08-06-2003, 08:25 PM
Mfinley919 Mfinley919 is offline
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I've decided to round-up the yard first, probably this week, wait 2 weeks and do it again. I'm trying to shoot for seeding by September which I'm hoping will coincide with the lifting of watering restrictions here in Denver.

A slitseeder- is this a walk behind item? Never heard of it, rental places carry something like this?

Hay and Straw are two different things? Where do you get straw? I was just going to go to a horse feed supply to get the hay.

Starter fertilizer sounds like something I should do, any recommendations? I'm not a pro so I don't have the knowledge or the access to most of the stuff you guys use, just Home Depots or the local nursery.

What about the dead turf that will be there by September? What do you recommend to do with it? Just rake up what comes up, or rent a tiller and till it in?

Thanks,
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  #8  
Old 08-06-2003, 09:07 PM
Mike Bradbury Mike Bradbury is offline
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Yes, a slitseeder is a walk behind. Usually a Ryan Mataway is what the rental yards carry. It uses a reel cutter to slice slits in the dead turf and then drops the seed into those cuts. The seed comes up in straight lines and fills in from there.
You use a slitseeder so you don't have to get rid of the old turf. Tilling is the LAST thing you want to do. Say about 50 times more work raking all the turf pieces out.
Hay is the growing part of the plant that has all the nutrients. You feed it to animals. It's also full of weeds since it is a fresh product. Straw is the empty hulls and stems of the plant. Dried and less weeds, though usually plenty anyway. Another reason to slit seed as the old turf acts as the cover and helps keep the seed wet, without adding weed seeds.
I use 12-12-12 or 19-19-19 for starter fert. Doesn't matter, you're just giving it a hit to get it growing faster. It's less than $10 a bag too. There is expensive slow release stuff if you want to pay more.
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  #9  
Old 08-06-2003, 11:08 PM
GroundKprs GroundKprs is offline
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Location: South Bend, IN
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You do not need straw unless there are significant bare spots. After Roundup, when the existing plants are dead, mow the lawn as short as possible without scalping - should be able to mow down to 1½" at least. This dead stubble then works as your mulch and soil stabilizer - that is why you need no straw, except for bare dirt areas.

Gotta disagree some with Mike B on the seeding and germination of KBG. After mowing, if you can core aerate (another machine to rent) at least 3 passes over the whole lawn, then you will only need about 4# of pure KGB seed per 1000 ft ² (providing that label germination rate of your seed is at least 90%). If you are only slit seeding, without aeration, use 4.5# to 5# per 1000 ft². Run the slit seeder to apply seed at half the rate desired, and make passes in two directions, to form diamond shaped cuts across the lawn. This is to mask the lines of new seedlings for the first fall growth - with lines in two directions, they do not stand out so much.

And if you can irrigate after seeding, give the lawn a good soaking watering first. Then apply a max of 1/10" of water twice a day - early morning and mid afternoon - usually just 8-10 minutes each time with most hose type lawn sprinklers. If you have an irrigation system, small popups sprays only 4-5 min, gear heads about 15 min. Out there you may even get a third watering in on clear days. The object is to repeatedly wet the seed, to speed germination. But if you keep the surface soaked, you will rot the seed. Here I can get 2 waterings a day in Aug to mid- Sept, and I usually see germination start by day 6, with a full green fuzz by day 10, on pure KBG plantings.
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  #10  
Old 08-07-2003, 12:43 AM
Mike Bradbury Mike Bradbury is offline
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Join Date: Jan 2003
Location: Fort Wayne,IN Zone 5
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What?

i have NEVER seen a trace of BG in less than 3 weeks.
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