View Full Version : How do I Kill this??

05-17-2003, 07:31 PM
I was thinking about rototilling it up putting preen down. Then i would put down about 2.5-3 Inches of mulch and then some preen on top of that. let me know what you think.. Thanks

Green Pastures
05-17-2003, 09:30 PM
Just spray it with any weed killer.

05-17-2003, 09:46 PM
Preen will not work against already growing weeds. It will prevent germination of seeds if the vapor barrier it creates is not disturbed. Don't put it down and then roto-till. Put it down afterwards. I agree that a broadleaf weed-killer will work fine.

05-17-2003, 10:07 PM
Looks like speedwell to me, just had the same problem in the lawn, used a little weed-b-gon mixed with a little water so it didn't burn killed the stuff within bout 2-3 days.

05-17-2003, 11:39 PM
Looks like Henbit to me. That is a winter weed that will set seed for next year. It should be dying out about right now with this heat.

05-18-2003, 02:38 AM
I think thats deadnettle. Heres a picture of it growing.
If it is deadnettle then you could use trimec plus or millennium ultra according to my chart those are the ones recommended for it. I know trimec will work I've used on this before. If its henbit there's only a couple of postemergence herbicides that won't work.

05-18-2003, 10:22 AM
Ground Ivy?

Roundup or any broadleaf killer ought to do it.

05-18-2003, 12:30 PM
It's Henbit.
2-4-D will kill it. Apply a pre-m in the fall to control before it sprouts.

05-27-2003, 10:00 PM
not that I am condoning this method but I have heard that a mixture of round up and 24D, will ill anything in about three days. Never done it , just heard about it. ;)

05-27-2003, 10:07 PM
sounds like a waste of 2-4-d to me.

05-29-2003, 12:41 AM
Originally posted by mr.lawnzap
sounds like a waste of 2-4-d to me.

Not really. The 2-4D will kill the top of the plant out quick while the roundup kills the roots. Better than just roundup IMO becaus eit takes a good week to show any signs its dying.

05-29-2003, 12:43 AM
Personally i wish we could legally use Paraquat for commercial and residential applications. Restricted use to agriculture. We use that on the farm and it kills anything within 12 hours.

05-29-2003, 01:25 AM
I would think that 2-4-d will put the plant in to "shock" therefore the Glyphosate will not trans-locate as well....(but in this case that weed will be gone!) thats what i think.....

05-29-2003, 10:37 PM
it is deadnettle any broadleaf control will kill it ,,stike three works great

05-30-2003, 01:43 AM
At Portland Community College, that's ID'd as Henbit.

I don't recall if it sets seed badly.

Usually, I like a slow kill. Slower the better - like RoundUp at 50% to 60% with a surfactant, applied to clean leaves.

The only time I will go for fast kill, is with something like little Bittercress that sets jumping seed pods quickly.

A fast kill herbicide for the topgrowth, will defeat the purpose of a second added slow kill herbicide for the root.

The plant needs a certain amount of healthy residual leaf to translocate herbicides to the roots. So don't barbeque the top if you want a deep slow effective kill to the root system.

05-30-2003, 01:49 AM
nscu, ever heard of scythe???????

05-30-2003, 01:58 PM
Originally posted by mr.lawnzap
nscu, ever heard of scythe???????

Sure have and its still not comparable to Paraquat. Since its about $50 for 2.5 gallons concentrate compared to scythe which is about $160 for 2.5 gallons concentrate around here.

05-30-2003, 09:44 PM
If its not growing in turf, hit it with some Finale..otherwise Trimec oughta do it in.