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Beginner Gardening: Pre-emergent ?

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Forum: Beginner GardeningReplies: 6, Views: 66
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Spring City, TN

August 5, 2012
6:28 PM

Post #9230903

In the spring if I use pre-emergent to cut down on the weed population in my flower beds, that will stop echinacea and black eyed susan etc seeds from germinating as well, right?

So what if I didn't use it until I figured all the perennial flower seeds that were going to had already germinated, and THEN use it to help control weeds????
Dublin, CA
(Zone 9a)

August 5, 2012
6:39 PM

Post #9230919

You're right, it'll prevent any seeds from germinating not just the weeds. So once your seeds have germinated then you're fine using the pre-emergent. Only catch is, a lot of the weed seeds will probably germinate around the same time as the seeds you're trying to grow before you've been able to use the pre-emergent, so its effectiveness may be limited. But if you tend to get a lot of weed seeds sprouting later in the season then it can still help control the later ones.
Spring City, TN

August 5, 2012
7:21 PM

Post #9230955

Thanks, that's what I thought. I get a new crop of weeds with every rain.

Now if I could only find a simple solution for viney weeds...


Prairieville, LA
(Zone 9a)

August 6, 2012
7:48 AM

Post #9231440

I asked the same question once etnredclay...the response..."apply concrete liberally throughout the garden"...not much help, but point taken...grin
Spring City, TN

August 6, 2012
9:20 PM

Post #9232542

Well, Moonhowl, that's exactly my response to dogs digging holes in the yard -- concrete. Eventually you will have a really big PATIO. LOLOLOLOL.


Prairieville, LA
(Zone 9a)

August 7, 2012
8:13 AM

Post #9232922

LOL...but it did bring to mind the old song "They paved Paradise to put in a parking lot".
Gilmer, TX
(Zone 8b)

August 14, 2012
2:47 AM

Post #9240855

I used PREEN heavily every 2 to 3 months this spring primarily because last year's drought brought in a whole lot of weeds during times we had lots and lots of daily wind. I found that it is not 100% effective, and I believe that it can only removed probably 85-90 % of the sprouting weeds at beds. My coneflowers and many other seeded perennials and annuuals DID make seedlings which I transplanted to new locations. I still had to pull weeds regularly, but less than it would have been without PREEN.

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