This past October at Go Outside Festival, I spoke with two lovely, master gardeners about our little (okay, massive) Japanese Stiltgrass invasion. They each used two different methods of controlling stiltgrass in their own gardens.
One of the ladies used a pre-emergent herbicide. This product creates a barrier in the soil to prevent stiltgrass seed from germinating. In our U.S. planting zone (7), you apply the herbicide in late December and again in early April. There are two options, granular and a liquid concentrate. The granular is broadcast and needs moisture to activate. The liquid is diluted with water and sprayed on.
Once the product is dry, it’s safe for pets and people to re-enter the area. (But I probably would wait a few extra days just to be safe.) Always use common sense and do your homework before trying a new product in your landscape.
While Prodiamine controls chickweed, dandelions and other common weeds, the master gardeners assured me this product will not kill turf grasses and other desirable plants. If you apply the herbicide in spring, wait until fall to put down grass seed.
The other master gardener is using the time-tested method of hard work and vigilance to remove her stiltgrass. She was not comfortable with using an herbicide, so she is hand-pulling this invasive weed. She admitted to having a much smaller property, and scourge of stiltgrass than the first lady.
The pre-emergent gives me pause. I really don’t like the idea of using it on our property, but I also don’t see how we’ll get rid of the stiltgrass without it. I think for now we’ll stick to weed-eating the wide swaths of stiltgrass in our woods, and hand-pulling it from our banks and lawn. My back aches just thinking about that; but I have to remind myself how truly terrible this stuff is.
In happier news, I present to you the best gardening gloves ever! Seriously, these are so good. My mother-in-law gave these to me about 15 years ago, and they finally developed a hole after years of heavy use. The perfect gift for the gardener in your life. If that’s you, treat yourself!
I’ll leave you with a pretty picture, because all those brown weeds are just depressing. Spring is right around the corner!
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