Hibiscus forum: Hibiscus dying off

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Lincoln, NE
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Moby
Jul 19, 2015 12:18 PM CST
Having a problem with Turn of the Century dying off one stem at a time. Any idea what is going on here?

I know it's a little hard to see but the stem just left of center was the first to go crispy, then there are others in varying degrees of wilt.
Thumb of 2015-07-19/Moby/563ac0

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[Last edited by Moby - Jul 19, 2015 5:03 PM (+)]
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Name: Doris Klene
Greensburg,Indiana.
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kareoke
Jul 19, 2015 1:05 PM CST
Well I made the picture larger and it looks like they need water, that is the only time mine dries like that?also a little ,miracle grow would help
Name: Alana H
(Zone 7a)
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poisondartfrog
Jul 20, 2015 5:26 AM CST
If it is not a case of too little water it may be "wilt disease" which is fungal in nature and looks like under watering.
Is your plant in a pot? If your plant is not suffering from lack of water I have a wilt prone garden friend that puts a cup of bleach in a quart or more of water and uses that to water the plant, or you can use a fungicidal soil drench. You may not save all of the infected stems but it could save the plant. Over watering sometimes causes fungal wilt, but a tiny injury to the plant or even leaving a spent bloom on to rot can allow fungus to enter.
Name: Anne
Summerville, SC (Zone 8a)
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Xeramtheum
Jul 20, 2015 6:38 AM CST
If that were mine, I'd cut the stems back to the crown and root prune hard (at least half the roots), spray off every bit of soil around the root ball then soak the root ball in a half strength solution of insecticide fungicide for an hour or two then pot it up in fresh soil and use the half strength solution to water down the soil. It's 50/50 whether or not it will survive. In my experience this treatment has saved a lot of mystery sick hibiscus.

Healthy pot bound hibs actually respond very well to this sort of treatment but instead of insecticide fungicide I use a half strength fertilizer.
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[Last edited by Xeramtheum - Jul 20, 2015 6:41 AM (+)]
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Name: Clint Brown
Medina, TN (Zone 7b)
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clintbrown
Jul 20, 2015 11:36 AM CST
Take cuttings of stems and root them to be safe!
Lincoln, NE
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Moby
Jul 25, 2015 8:01 PM CST
Sorry to take so long responding but I just now got the hibby dug up. All of the leaves are dead but most of the stems still look good ~ the roots, not so good.

Noticed several black spots, a couple holes and some general 'ick'.
Thumb of 2015-07-26/Moby/597073
Thumb of 2015-07-26/Moby/7bce8f
Thumb of 2015-07-26/Moby/9fcb2b
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Name: Anne
Summerville, SC (Zone 8a)
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Xeramtheum
Jul 25, 2015 8:44 PM CST
Cut off all the roots with icky bits and repot in soil that drains very well and fast. If you have the time, water it at least 3 times a day with plain water til it comes out the bottom. The idea here is to get rid of any pathogens remaining in the roots and not have it stay in the soil. You'll know within a week the outcome.

If you start to see new growth at the crown, pot it up in regular soil.
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Lincoln, NE
Charter ATP Member I was one of the first 300 contributors to the plant database! Miniature Gardening Butterflies
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Moby
Jul 25, 2015 8:50 PM CST
I'll do that. Thanks a bunch!
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springfield MO area (Zone 6a)
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Frillylily
Jul 25, 2015 9:52 PM CST
After cutting off all the yucky stuff on the roots, I would soak it for 10 mins in a bleach solution.
Lincoln, NE
Charter ATP Member I was one of the first 300 contributors to the plant database! Miniature Gardening Butterflies
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Moby
Aug 9, 2015 12:08 PM CST
After taking 2 days to soak in bleach, hack, soak again and repot, 2 weeks later we have this.
Frankly, I shocked. Smiling
Thumb of 2015-08-09/Moby/d9a62b

Where are we going, and why am I in this hand-basket?
Name: Anne
Summerville, SC (Zone 8a)
Be a voice - not an echo!
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Xeramtheum
Aug 9, 2015 12:31 PM CST
That's awesome!
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