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Name: Dan
Florida (Zone 9b)
Avid gardener. Grow many Orchids a
Daniel
Jan 11, 2014 12:21 PM CST
I have trouble growing the "newer" varieties of "Coneflowers" (Echinacea). The "Sombrero" series Salsa Red in particular. They slowly turn black, shrivel and die back to the ground. On other occasions after flowering they go on for a month or so then the same thing happens. This has happened on young plants in 4 " pots and others in gallon pots. My watering is at most 3 times weekly, less in wet weather. ( I should mention that "Pow Wow" coneflower grows like a weed under my conditions.) Any help out there? Dandydan
Name: woofie
NE WA (Zone 5a)
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woofie
Jan 11, 2014 12:41 PM CST
This thread may not be particularly helpful, but at least you might appreciate finding you're not alone!
The thread "Hybrid Echinacea, NOT for me!" in All Things Gardening forum
Grrrr, somehow, I can't get the link go to the beginning of the thread.
Confidence is that feeling you have right before you do something really stupid.
[Last edited by woofie - Jan 13, 2014 10:58 AM (+)]
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Name: Elaine
South Sarasota, Florida (Zone 9b)
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dyzzypyxxy
Jan 11, 2014 9:26 PM CST
Dan, I've tried at least 3 times to grow Echinacea here in Florida. They do fine in the dry months then peter out once June hits with the warm humid nights and the rain. We have well drained soil and lots of sun, but I think it's the humidity that gets them. I was trying to grow White Swan which is one of the old seed varieties.

I've grown some hybrid varieties in my daughter's garden in Salt Lake, and they did last maybe 5 years, with some re-seeding themselves. But not here. Nuthin, nada.

The same thing happens with Agastache, another hot dry summer lover. Bloomed their hearts out from Feb. until June then petered out.

Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill
Name: Bob
Vernon N.J. (Zone 6a)
Charter ATP Member Plant Database Moderator I was one of the first 300 contributors to the plant database! Forum moderator Heucheras Echinacea
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NJBob
Jan 12, 2014 6:20 PM CST
Even up here mine seem to better with a little partial shade, what you have sounds like rot from poor drainage or overcrowding. I add lots of sand to my soil mix. Also Echinacea do not like to be feed just some bonemeal.
http://extension.psu.edu/pests/plant-diseases/all-fact-sheet...
http://cubits.org/echinaceas/
Name: Suzanne/Sue
Sebastopol, CA (Zone 9a)
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Calif_Sue
Jan 13, 2014 10:46 AM CST

Plants Admin

@woofie, your link is taking you to where you last read that thread. Anyone else that may have been following the same thread will land in the spot they last read. To make it link from the top, click the "Back to the Top" function found at the bottom of every thread. You will actually see it change the URL from saying "#new_post" at the end of that URL to "#top".
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Name: woofie
NE WA (Zone 5a)
Charter ATP Member Garden Procrastinator Greenhouse Dragonflies Plays in the sandbox I was one of the first 300 contributors to the plant database!
The WITWIT Badge I helped plan and beta test the plant database. Dog Lover Enjoys or suffers cold winters Container Gardener Seed Starter
Image
woofie
Jan 13, 2014 11:01 AM CST
@Calif_Sue, I tried that, and it still takes me to the end of the thread. I know I've done this before, so I just can't figure what I'm doing wrong.
Confidence is that feeling you have right before you do something really stupid.

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