Daylilies forum: Regarding my crown rot and trying to save the plants

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Name: Sandi
Franklin, WI (Zone 5a)
I was one of the first 300 contributors to the plant database! Daylilies
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Seedsower
May 9, 2013 5:14 AM CST
I've dug some up that weren't showing their faces. What is the best way to bring them back to life if they still have a good root system? Soak just the roots, keeping water off the crown? Let the whole thing dry out and then re-plant? Plant back in the ground with crown exposed? I've not had to do this before so I don't know what is the proper way to handle this.

Thanks!
Name: Michele
Cantonment, FL zone 8b
Seller of Garden Stuff Region: United States of America Pollen collector Dragonflies I was one of the first 300 contributors to the plant database! Region: Florida
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tink3472
May 9, 2013 5:46 AM CST
If it is truley crown rot then the crown would need to be soaked, not just the roots. What are planning to soak them in?

What I do is either dig up and soak in a banrot/subdue maxx mixture; I cover the whole thing with it. Or if I leave it in the ground I soak everthing that is exposed and just keep pouring/spraying the ground till it's saturated. If you are using a bleach solution it's the same way.

If there is any mushy stuff on the crown you need to remove as much as you can then soak. And yes, plant back in the ground with the crown exposed and DO NOT plant back in the same place. Either treat that area and wait awhile to replant there or wait until next year to replant. The fungus/bacteria (depending on which rot it is) is naurally occuring in the soil so replanting there can just re-introduce the problem.

Sometimes it won't help no matter what you do even if there are good roots there. If the crown is too far gone the roots won't be to far behind. I have had some that you would think is dead and gone and then a few months later tiny fans start emerging from the tiniest piece of crown left unaffected so you just never kn ow.
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Name: Jan
Hustisford, WI
I was one of the first 300 contributors to the plant database! Cat Lover Daylilies Dog Lover Irises Region: United States of America
Region: Wisconsin
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philljm
May 9, 2013 6:19 AM CST
Last year I had Catherine Neal with crown rot.

First I removed any rotting leaves & such, then hit her with Tinkers daylily booster (1 oz sorghum molasses - I use dark, can't find sorghum here; 1 tsp epsom salt, 1 Tbsp baking soda in a gallon of water) and then let it sit overnight. then I dug her out, cleaned up the crown and roots, did a bleach dip, allowed to dry, then redipped in water to rinse and allowed to dry - then potted her up. She survived last summer..... I wonder where I planted her in the fall.....

Previously, I have never managed to save any using that protocol. And perhaps she survived because of the drought. The 2 other ones I treated last year didn't survive.

I too do not replant in the same place. In fact, I remove as much soil as I can from that location, then let it sit open for the summer. In fact, one of the ones I am watching this year, is in the same location as one of the other ones. Guess I didn't clean it out enough, or it's coincidence.

I too have a couple I am watching, I may be doing this over the weekend methinks ~Jan
[Last edited by philljm - May 9, 2013 6:22 AM (+)]
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Name: Cynthia (Cindy)
Melvindale, Mi (Zone 5b)
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Hemlady
May 9, 2013 6:56 AM CST
I do the same but after removing the plant from the soil I sprinkle comet cleanser and work it into the soil. The bleach in the cleanser is supposed to kill any bacteria present.
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Name: Juli
(Zone 5b)
Region: United States of America Charter ATP Member Cottage Gardener Daylilies Garden Photography Enjoys or suffers cold winters
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daylily
May 9, 2013 2:38 PM CST
I have had very few issues with rot where I live. When I have, you can smell it a few feet away! Yuk!

I dig it, wash off soil, cut off any sign of rot, soft spots, anything not normal. I put comet or some other dry cleanser with clorox or that says bleach in it (I have been using the same container for years) and let it sit out dry for a couple days. Then I re-plant and I don't water it very much.

When they regrow, they are never quite right. Lots of little fans come up from under the crown. Maybe 3 years later, I will dig that up and divide it and then you can actually get it going back normal again by dividing that mass of little fans into pieces.

I have to really love the plant to even mess with it. Usually, I dig it up and toss it.
Name: James
South Bend, IN (Zone 5b)
Hostas Enjoys or suffers cold winters Birds Seed Starter Annuals Region: Indiana
Region: United States of America Dog Lover Daylilies Container Gardener Plant and/or Seed Trader
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JWWC
Oct 18, 2013 7:32 PM CST
I found crown rot just now on BRER RABBIT AND THE BRIAR PATCH. I've dug the plant, cleaned what I could and I am going to let it dry and put whatever I can find in the way of a bleach/comet cleanser on it. Any other thoughts/advice? I am pretty sure it is gone but I feel like I need to give it any chance I can. Crying
Name: Michele
Cantonment, FL zone 8b
Seller of Garden Stuff Region: United States of America Pollen collector Dragonflies I was one of the first 300 contributors to the plant database! Region: Florida
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tink3472
Oct 18, 2013 9:10 PM CST
I would soak it in a 20% bleach water solution for about an hour then let it dry. If you have comet you can put that on it before drying, some people use sulphur (the wettable/dustable kind). We usually let it dry for about 24 hours then pot it up. I would also soak the soil with the bleach solution that you plant it in and DO NOT reuse the same soil it was in. The rot bacteria or fungus resides naturally in the soil and it is obviously in that spot ( if it didn't come in with the plant) so replanting there would not be wise.

I would eventually invest in some Banrot fungicide to keep on hand, it works better than bleach. It is not 100% effective because sometimes it is caught too late and the rot is just too far into the crown to do any good, but it is good to have around It is not that expensive ($75-$85) and can be found on the internet http://www.tampaagriculturalproducts.com/fungicides/banrot-w...
http://www.domyownpestcontrol.com/banrot-wp-fungicide-p-4524...

You use 1/2 tsp. - 1 1/4 tsp. per gallon water; I usually use the higher rate
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Name: Jan
Hustisford, WI
I was one of the first 300 contributors to the plant database! Cat Lover Daylilies Dog Lover Irises Region: United States of America
Region: Wisconsin
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philljm
Oct 19, 2013 4:46 AM CST
I think it is worth giving a plant a chance. I have found sometimes it works, sometimes it doesn't ~Jan
[Last edited by philljm - Oct 19, 2013 4:48 AM (+)]
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Name: James
South Bend, IN (Zone 5b)
Hostas Enjoys or suffers cold winters Birds Seed Starter Annuals Region: Indiana
Region: United States of America Dog Lover Daylilies Container Gardener Plant and/or Seed Trader
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JWWC
Oct 19, 2013 12:37 PM CST
Thanks for the pep-talk and info.

Last night I unpotted the plant, washed it, performed radical surgery and cut away anything that was obviously rotting, looked like it was rotting or was soft/spungy. I have 2 pieces of crown with some roots attached remaining. I dusted them in comet and left them to dry. I picked up some bleach this morning and have the pieces soaking now.

I think it came in with the plant (and I contacted the seller so that she could treat her plant) because this was potted in fresh ProMix in a new pot and all the other plants that were potted at the same time in the same media are fine. In fact most of them are growing. I've only had the plant for a month as well.

The seller told me she would ship me a new fan in the spring, which I was shocked at and did not expect, so I will take her up on that if I can't raise one of these from the ICU.
Name: Michele
Cantonment, FL zone 8b
Seller of Garden Stuff Region: United States of America Pollen collector Dragonflies I was one of the first 300 contributors to the plant database! Region: Florida
Birds Butterflies Container Gardener Hummingbirder Garden Ideas: Level 2 Hosted a Not-A-Raffle-Raffle
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tink3472
Oct 19, 2013 1:27 PM CST
I'm glad the seller will be sending you a new plant, most sellers will if you have only had it for a short time, Or if they don't have anymore of that particular plant then they will replace with something else you want or give a refund. There is actually a replacement policy that sellers agree to adhere to on the lily auction if they do not state their replacement/refund policy in the description or "about me" area.

I have only asked one seller (not on LA) for a replacement ( well I didn't actually ask for replacements I just asked what their policy was and they replaced them) of plants because they rotted, but that was because they got shipped when I wasn't expecting them and we had an unexpected freeze and they got mushy and rot set in and a few I could not save. I have one that is still fighting to make it and it will be a year in Dec; it looks like a small clump of grass and it's about 6-8" tall. That particular one would try and grow and then you could tell it would start to die back and then try and grow and then die back. I had been treating it in ground but finally dug it up and soaked it overnight in Banrot/Subdue Maxx solution then let it dry and then potted it up. I think it will make it but it may take awhile for it to get big enough to bloom. It wasn't a cheap daylily and I really wasn't expecting a replacement on that one especially since mine hadn't actually died yet and the seller had sold out and had a waiting list for that one but they sent one this fall and I am glad they did.

We have started soaking new arrivals in Banrot before we plant them here. I think with a plant being stressed from being dug and shipped it leaves it vulnerable and susceptible to things sometimes in our environment here and I want to give them a better chance at not getting sick. Also, if the plant already has rot when it was shipped it will help kill it and not cause any problems.

I hope yours makes it but if not at least you know you will be getting another one.

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Name: James
South Bend, IN (Zone 5b)
Hostas Enjoys or suffers cold winters Birds Seed Starter Annuals Region: Indiana
Region: United States of America Dog Lover Daylilies Container Gardener Plant and/or Seed Trader
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JWWC
Oct 19, 2013 2:06 PM CST
I like he idea of soaking new arrivals. I've thought about that myself but it never came to fruition. It's happening going forward though. Do you do anything for rust when they come in or just immediately include them in your spray regimen?
Name: Michele
Cantonment, FL zone 8b
Seller of Garden Stuff Region: United States of America Pollen collector Dragonflies I was one of the first 300 contributors to the plant database! Region: Florida
Birds Butterflies Container Gardener Hummingbirder Garden Ideas: Level 2 Hosted a Not-A-Raffle-Raffle
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tink3472
Oct 19, 2013 4:28 PM CST
I just start including them in my spray regimen. If I didn't have to spray regularly them I would probably dip them before planting.
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