I planted cool season grass seed in North Sunset zone 18 (So Cal) six days
ago. Put Kellogs topper on it and watered it several times a day to keep it
moist. Thus far there is no show of new grass plants. The first few days
were cool but now the last two it has been warm and even 94 degrees today.
When should this grass make an appearance or have I just lost it?
10-21 days minimum time
Cool season grasses generally prefer to germinate at night temps of about
10-15oC, 20oC during the day. When you get up to about 25oC, Ky Bluegrass
tends to enter a secondary dormancy or take a much longer time to germinate.
Don't forget... once seed has started to germinate, you can't let it dry
Thanks for this Kay. There is now (at 8 days ) beginning to show green from
viewing close. Didn't know of that "secondary dormancy". Hope it doesn't
take until next Autumn. I would not have gone down this path if it were not
for my lawn being taken over by Kikuyu grass. I used glyphosphate last
Autumn and angain in ealy May when it was growing again strong. If that
doesn't stop it I am probably beaten.
Were it not for a homeowner's association I would have gone with flowers or
bushes instead of lawn as the front is only about 300 square feet. Tending
to a lawn is much less enjoyable to me than tending to other things.
Cool season grasses tend to do best when planted in the fall. You
might want to grab another sack of seed and toss it in the vegetable
drawer of the refrigerator, so you can overseed in the fall. It's
really tough to find cool season seed in the fall, and most of what's
out there has been improperly stored.
You'll want to keep an eye out for kikiyu, and possibly do some spot
treatments. I'd suggest a wiped application... wad of paper towel
soaked in glyphosate, you wearing gloves.
Remember canopy closure is one of the best methods of weed control,
so try to thicken things up as much as possible as soon as possible.
Of course, I'm ornery enough I might have planted sorghum or such and
mowed it off at about 4". Hey, it's a grass, it's mown.... >;-)
Kay, who's glad she lives out in the country, even if the neighbors
haven't quite finished dealing with the three abandoned trucks that
appeared when they burnt down their himalayan blackberry...
Have seen mentions recently of Buffalo grass and that has my interest.
Basically I'm growing stuff where nothing was meant to grow outside of
Winter, and that drought resistant. Just insanity.
The Buffalo grass is supposed to require less watering and mowing both but
again the homeowner's association might look askance at it.
Unless they're pretty good botanists, I doubt they'd know... >;-)
Seriously, that's a far better choice for southern California than
cool season grasses (unless you're on top of Mt. Baldy, with a limitless
free water supply. <g>)
Call around to the local arboretums and botanical gardens. Chances are
you'll find a test plot of buffalo grass to look at. I've not seen it
grown in S. Cal, but I bet it would do just fine.
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