Daylilies forum: What causes the bloom petals to look like this?

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Name: Becky
Sebastian, Florida (Zone 10a)
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beckygardener
Oct 16, 2013 10:51 AM CST
I have 2 daylily plants that produce these weird color patterns on the blooms. What causes that? Is there a name for this color blotching?

Here are 2 photos of blooms to show what I am referring to:

Thumb of 2013-10-16/beckygardener/611916

Thumb of 2013-10-16/beckygardener/0fb4aa

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Name: Theresa Maris
Bowling Green,KY (Zone 6b)
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tgarden711
Oct 16, 2013 11:23 AM CST
I am not 100% sure in your case but those nasty little bugs called thrips Grumbling can cause damage to the blooms. I look at the bottom of the plant and if I pull a leaf off, sometimes there are little bugs and eggs. I start spraying with a natural spray containing pyrethrins, you have to repeat spraying about every 3 weeks. Keep all debris cleaned out of your flower beds because they can overwinter in leaves. I don't like to spray at all but it depends on your tolerance level. I don't have much tolerance for anything eating my daylilies.
Name: Becky
Sebastian, Florida (Zone 10a)
Celebrating Gardening: 2015 Daylilies Hummingbirder Butterflies Seed Starter Container Gardener
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beckygardener
Oct 16, 2013 6:24 PM CST
Theresa - I don't know anything about thrips. (Will look that up!) Thanks for suggesting it as a possibility.

I was wondering if it was some kind of daylily virus that causes that to happen on the daylily blooms, but I don't know. Could it just be a particular color pattern. Both plants in the photos above have red blooms. (Though one has more yellow in the petals.) Or could it be coloration before the bloom colors stabilize. This is the first year both of those daylilies bloomed. Doesn't it take 3 years for the color and pattern on the blooms to come true?
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Name: Julie
Roanoke, VA (Zone 7a)
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floota
Oct 16, 2013 6:46 PM CST
Looks like thrips to me. They go after red and purple blooms primarily.
Name: Becky
Sebastian, Florida (Zone 10a)
Celebrating Gardening: 2015 Daylilies Hummingbirder Butterflies Seed Starter Container Gardener
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beckygardener
Oct 16, 2013 6:59 PM CST
Julie - Thanks for also confirming that it may be thrips. I found this website on treating them:

http://dillardgardens.com/index.php?route=information/inform...

Because I garden for butterflies, hummingbirds, and bees .... what can I use that may be safer than a systemic pesticide?
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Name: Rita
North Shore, Long Island, NY
Zone 6B
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Newyorkrita
Oct 16, 2013 7:49 PM CST
Yes, definitely thrips.
Name: Lisa
Grove City, Ohio (Zone 5b)
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mlt
Oct 16, 2013 8:01 PM CST
Here are a couple less toxic solutions you can use for bugs that I think I found here on ATP:

Murphy’s Oil soap solutions for gardening:

Daylily Thrips:
¼ c Murphy’s to 1 c water; spray buds when they first come up. Also spray rebloom scapes.

Iris Borer:
10% Murphy’s in water; spray entire plant.

I haven't tried it for thrips, but it does work for the iris borer.

Lisa
Name: Becky
Sebastian, Florida (Zone 10a)
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beckygardener
Oct 16, 2013 8:11 PM CST
Lisa - Thank you for those suggestions! Do thrips die off or remain in the soil?
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Name: Lisa
Grove City, Ohio (Zone 5b)
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Region: Ohio
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mlt
Oct 16, 2013 8:46 PM CST
Becky, I'm checking your question on line - here's more info, but nothing on whether they die off or not:

http://www.ehow.com/how_5788527_control-thrips-daylilies.htm...

http://pep.wsu.edu/hortsense/scripts/query/displayProblem.as...

http://forums.gardenweb.com/forums/load/daylily/msg051433302...

and here is a detailed description if you're into details - still doesn't say if they die off or not
http://en.wikipedia.org/wiki/Thrips
Name: Michele
Cantonment, FL zone 8b
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tink3472
Oct 16, 2013 9:20 PM CST
Becky I don't think thrips die off, they just go through a continual lifecycle. Here is some info from the North Florida Daylily Society on thrips http://nfdaylily.home.comcast.net/~nfdaylily/02_Thrips.htm

[url=www.pensacoladaylilyclub.com]www.pensacoladaylilyclub.com[/url]
Name: Becky
Sebastian, Florida (Zone 10a)
Celebrating Gardening: 2015 Daylilies Hummingbirder Butterflies Seed Starter Container Gardener
Charter ATP Member I was one of the first 300 contributors to the plant database! Garden Ideas: Master Level Lover of wildlife (Black bear badge) Birds Ponds
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beckygardener
Oct 16, 2013 9:38 PM CST
Thanks, Lisa and Michele!!!

Sounds like obtaining some Beauvaria bassiana (Naruralis O, Botanigard) or Spinosad might be the answer. I need to look closely at my plants. Living in Florida, it's a battle against pests and diseases. Longer growing season, but always a challenge despite the tropical climate.
What lies behind us and what lies before us are tiny matters, compared to what lies within us.
Garden Rooms and Becky's Budget Garden
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 17, 2013 12:15 PM CST
I like to use Horticultural Oil for Thrips. I use Avid insecticide for a number of pests (and it doesn't seems to bother the good insects) and thrips is listed but it says it only suppresses them which to me means it doesn't do much so I add the Horticultural Oil (Ultra-Fine or Ultra-Pure) to my spray regimen and it works great. I ran out last year and kept forgetting to get more for this year and the thrips were horrendous. The oil is also good for spider mites, aphids, and other pests; it gums up their digestive system and also suffocates them.

Although I have never used Murphy's Oil Soap I'm sure it does the same thing.
[url=www.pensacoladaylilyclub.com]www.pensacoladaylilyclub.com[/url]
Name: Alex
Warren, VT- Green Mtns. (Zone 4b)
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ARoseblush
Oct 19, 2013 8:34 AM CST
Becky...I deal with 'thrips' on my red and purple plants by using the natural method of Murphy's Oil Soap. As soon as I see buds on the scapes about 3 weeks before the plants flower, I just mix up Lisa's concoction above in a spray bottle, and spray all my red and purple plants. It works like a charm. It's just part of my Summer routine. And it won't bother your butterflies, bees, ants etc.
springfield MO area (Zone 6a)
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Frillylily
Dec 29, 2013 10:31 PM CST
http://www.missouribotanicalgarden.org/gardens-gardening/you...

I found this page that has alot of info on thrips. It has been my experience and also says in the article that light color flowers, yellow and white are most targeted. ( I think the damage just shows up more visually on darker colors) Also earlier bloomers are sought after as the thrips are needing a home lol Some suggest to plant a patch of light yellow early blooming daylilys just a little ways off from your main garden. This is to lure thrips away from the beds and target them to one area. Then you can destroy them. Don't expect any blooms of course from your scape goat plants. I wonder if fragrant daylilys are more desirable to thrips, or if fragrance doesn't make a difference?

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