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dd70_gw

chickweed!...need help please. Lots of questions.

13 years ago

zone 7 (or 6b?)..not really sure I get varying results. Any way, coastal NJ, Northern most Ocean County.

We renovated in fall 08' and again in fall 09. We used full sun mix (house faces SW) of varieties of KB/chewing Fescue/Rye that I bought from seed super store (SS5000 mix) from a rec. here.

We have an irrigation system, during the summer I water every other day in the morning, for about 30 minutes,we have sandy soil. It seems no matter how we try the weeds just take over! I was seriously ready to kill it all and cement the yard and paint it green.

Last spring we hired true green chem lawn as a last ditch effort. We even paid to have them slit seed last September. This was probably a mistake I realize now since they used a fescue grass I have blue grass. Well the fescue came in nice, it was lighter green than semi-established blue grass but I figured it beats weeds. In the fall when they came out and applied potassium, I left the house and when I came back there was a different worker there just leaving and he also applied potassium. I called true green and they told me that as long as my grass was established it wouldn't harm it. I told her well you just slit seeded about 6 weeks ago so it's not established. Into early spring this year it still looked much better than it had in past years but then I started to notice after they spring fertilized that the newer fescue was browning and dying. Then came more weeds again!

I called and told them the situation and I was told the potassium would not have harmed the grass and that the manager would call me. Surprise, no phone call. I called again, told the same story and again the manager was going to call me. Again no phone call. I come home from work the following day (3 weeks ago) and there was tru green slit seeding my lawn again, at no charge. This really is not a fix, I'm no expert but I know enough that the seed wont grow through all the chickweed. So here I am now, afraid that the chickweed is going to take over the whole lawn. The sections of blue grass look great but where everything else was is all chickweed!

1. Can I kill the chickweed now with ortho clover/chick/oxalis herbicide? or should I have true green spray it with their stronger chemicals?

2. If I do, what should I do about the bare spots after the weeds die?

3. I can buy the same seed and patch it but how long will I have to wait after applying herbicide?

4. Do you think I am watering too much in summer? not enough?

I am seriously considering (after hopefully getting rid of the weeds) going organic. I'm definitely canceling true green.

Any advice is greatly appreciated! I will try to take pics tomorrow so you can see what I am dealing with.

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