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Poison ivy and solarizing

Posted by lausie z7MD (My Page) on
Sun, Aug 21, 05 at 11:03

I recently moved to Maryland and found that I have an abundant crop of poison ivy among thick beds of English ivy in my yard. Both ivys are mature and the English ivy makes it very difficult to see how much poison ivy there actually is. The two beds run the length of my property (about 100 yards) and are about two feet wide. One particular bed of ivy surrounds an old oak tree. I am happy to rid my yard of both the poison and English ivys.

I don't think that roundup or brush-be-gone will be good options for my problem, since there is so much poison ivy and I can't see all of the individual plants.

I was thinking of mowing the beds, tilling them and then solarizing. It's late in the season, but I think if I use double plastic and leave it on throughout the winter and into next summer, I might have a chance of killing both ivys. I'm also happy to keep the plastic on throughout next summer and postponing my landscaping plans.

Any thoughts on this idea?


Follow-Up Postings:

RE: Poison ivy and solarizing

If you are going to solarize, you don't need to mow or till. Mowing will expose you to the poison ivy.

English Ivy has a waxy coating and is difficult to kill with Round Up. You can try mixing will some detergent to help get through the coating.

If you want a double whammy, I would suggest Round Up, wait 10 days, Round Up again on anything that is still green. Wait 7 days for 2cd Round Up to work. Then solarize.

RE: Poison ivy and solarizing

  • Posted by Rosa 4-ish CO Rockies (My Page) on
    Mon, Aug 22, 05 at 6:41

A good surfactant will make all the difference in how effective the herbicide will be. Wait more than 10 days tho-woody plants will uptake slower so at least 2 weeks and maybe more before spraying again.
Personally, I'd use a a brush be gone product rather than roundup for either ivy. So not cut beore spraying if doing a foliar application. Fall will be the most effective time as plants are drawing nutrients down in preperation for the winter.

RE: Poison ivy and solarizing

What exactly is solarizing?

RE: Poison ivy and solarizing

I think you would need to use black plastic at this time of the year, because the soil will never get to the temperatures needed for real solarization. I'd be afraid that you would just create a green house! Next spring, as temperatures heat up, you could change it out to clear plastic, seal it up properly, and steam the heck out of everything!

Does that make sense? Proper solarization requires sunlight, warm air temperatures, moisture in the soil, and a tight seal all the way around.

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