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Jun 3, 2020 12:08 AM CST
Name: Cheryl
North of Houston TX (Zone 9a)
Region: Texas Greenhouse Plant Identifier Plant Lover: Loves 'em all! Plumerias Ponds
Foliage Fan Enjoys or suffers hot summers Tropicals Garden Ideas: Master Level Garden Sages Million Pollinator Garden Challenge
Rust is just starting on one plant. I've removed the affected 5 leaves. I tried dabbing the few yellow fuzzy spots on a couple more leaves with rubbing alcohol. It left tiny brown spots but better than the alternative? The tree is not crowded and gets plenty of sun. It's the only one affected out of 30 trees and rooted cuttings. Hints. Thoughts? Suggestions?
Life is short, Break the rules, Forgive quickly, Kiss slowly, Love Truly, Laugh
uncontrollably, And never regret anything that made you Smile.
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Jun 4, 2020 9:00 AM CST
Name: Ken Ramsey
Vero Beach, FL (Zone 10a)
Tropical Plants & More
Bromeliad Vegetable Grower Region: United States of America Tropicals Plumerias Orchids
Region: Mississippi Master Gardener: Mississippi Hummingbirder Cat Lover Composter Seller of Garden Stuff
I use fungicides, Cheryl, rotating 3 different ones. It helps but doesn't eliminate rust. Some varieties simply seem to be magnets for this fungi. I constantly pluck off the leaves and trash them when I see even a single colony of rust on a leaf. I've got approximately 300 plants.
drdawg (Ken Ramsey) - Tropical Plants & More

I don't have gray hair, I have a lot of wisdom-highlights. I must be very wise.
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Jun 4, 2020 5:19 PM CST
Name: Cheryl
North of Houston TX (Zone 9a)
Region: Texas Greenhouse Plant Identifier Plant Lover: Loves 'em all! Plumerias Ponds
Foliage Fan Enjoys or suffers hot summers Tropicals Garden Ideas: Master Level Garden Sages Million Pollinator Garden Challenge
Thanks! I have cut off all the affecting leaves. It is only on one tree (of 30) so far, a Mardi Gras. I'll try a fungicide or 3 next before the plant becomes naked. The alcohol did not work. But it does not seem to be on other trees.
Life is short, Break the rules, Forgive quickly, Kiss slowly, Love Truly, Laugh
uncontrollably, And never regret anything that made you Smile.
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Jun 4, 2020 5:25 PM CST
Name: Ken Ramsey
Vero Beach, FL (Zone 10a)
Tropical Plants & More
Bromeliad Vegetable Grower Region: United States of America Tropicals Plumerias Orchids
Region: Mississippi Master Gardener: Mississippi Hummingbirder Cat Lover Composter Seller of Garden Stuff
Your climate is different than here in S. Florida. I never had much rust problems in all the years growing plumeria in Mississippi. Now it's a constant battle against fungi, not just plumeria.
drdawg (Ken Ramsey) - Tropical Plants & More

I don't have gray hair, I have a lot of wisdom-highlights. I must be very wise.
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Jun 4, 2020 7:40 PM CST
Name: Cheryl
North of Houston TX (Zone 9a)
Region: Texas Greenhouse Plant Identifier Plant Lover: Loves 'em all! Plumerias Ponds
Foliage Fan Enjoys or suffers hot summers Tropicals Garden Ideas: Master Level Garden Sages Million Pollinator Garden Challenge
This is a first for me. I am happy it is only one plant. I would lie to stop it in it's tracks.Wondering if Mardi Gras is not Rust Resistant? We've had lots of wet weather. I haven't watered the lawn for 4 weeks and mushrooms are growing in my pots. Now we have the storm coming...at least it's the good side not anything like you guys will get.
Life is short, Break the rules, Forgive quickly, Kiss slowly, Love Truly, Laugh
uncontrollably, And never regret anything that made you Smile.
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Jun 5, 2020 5:02 AM CST
Name: Ken Ramsey
Vero Beach, FL (Zone 10a)
Tropical Plants & More
Bromeliad Vegetable Grower Region: United States of America Tropicals Plumerias Orchids
Region: Mississippi Master Gardener: Mississippi Hummingbirder Cat Lover Composter Seller of Garden Stuff
If you are going to use a systemic fungicide, you'll need to do so on all your plumeria, not just a single plant, Cheryl. You can apply a contact fungicide on just the single plant, being sure you spray the underside of each leaf, since that's where the spores colonize.
drdawg (Ken Ramsey) - Tropical Plants & More

I don't have gray hair, I have a lot of wisdom-highlights. I must be very wise.
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Jun 6, 2020 3:12 PM CST
West Palm Beach
Hi Ken, I live down in West Palm Beach just joined looking for a solution to my plumeria rust problem and happily found this post. I have been using Bioadvanced 3 in 1 concentrate but the spray is a pain and ends up all over me so I was thinking about moving to granules (Bioadvanced
all one rose flower granules) instead. Do you recommend that for rust or something else like the fungicide you mentioned above?

Here are some pictures of the bottom of the leaves where I find the pests. Thanks so much for your advice and love to check out your store sometime.
Thumb of 2020-06-06/jasonhersh/cc9692
Thumb of 2020-06-06/jasonhersh/404b3b
Thumb of 2020-06-06/jasonhersh/757f84
Thumb of 2020-06-06/jasonhersh/2c4b7b
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Jun 6, 2020 4:01 PM CST
Name: Ken Ramsey
Vero Beach, FL (Zone 10a)
Tropical Plants & More
Bromeliad Vegetable Grower Region: United States of America Tropicals Plumerias Orchids
Region: Mississippi Master Gardener: Mississippi Hummingbirder Cat Lover Composter Seller of Garden Stuff
I apologize, Jason, but I am not familiar with Bioadvanced products. Because of 'Tropical Plants & More', I am able to purchase commercial fungicides and insecticides. Banrot and Cleary's 6333, are good systemics and Daconil is a good contact fungicide, for those purchasing over-the-counter products.
drdawg (Ken Ramsey) - Tropical Plants & More

I don't have gray hair, I have a lot of wisdom-highlights. I must be very wise.
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Jun 6, 2020 4:52 PM CST
West Palm Beach
Great insights, thank you. Do you recommend a fungicide and/or insecticide based on those images?
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Jun 7, 2020 6:34 AM CST
Name: Ken Ramsey
Vero Beach, FL (Zone 10a)
Tropical Plants & More
Bromeliad Vegetable Grower Region: United States of America Tropicals Plumerias Orchids
Region: Mississippi Master Gardener: Mississippi Hummingbirder Cat Lover Composter Seller of Garden Stuff
Jason, I hate the look of rust on my plants. The leaves just look "crappy". Since I've got so many plumeria, approximately 300, I am constantly battling rust. I can't tell you what you should do. With only a few plants, you might keep up with control simply by constantly removing those leaves with rust spores, and of course, trashing those leaves.
drdawg (Ken Ramsey) - Tropical Plants & More

I don't have gray hair, I have a lot of wisdom-highlights. I must be very wise.
Avatar for discoflowers
Oct 31, 2021 10:34 AM CST

Hurray! Just got done buying Deconil and I just read that the one recommend OTC. Thank You!
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Oct 31, 2021 2:42 PM CST
Name: Ken Ramsey
Vero Beach, FL (Zone 10a)
Tropical Plants & More
Bromeliad Vegetable Grower Region: United States of America Tropicals Plumerias Orchids
Region: Mississippi Master Gardener: Mississippi Hummingbirder Cat Lover Composter Seller of Garden Stuff
Welcome to NGA, @discoflowers. It would be helpful to (at least) include your location. You can do this by going to your "Profile" and giving that information so that it'll show on all your posts.

If you only have a few plumeria, you can control, and sometimes even eliminate rust. Daconil works about as well as other fungicides and isn't terribly expensive. For best results, when you see rust on your leaves, clip those leaves off and trash them. Good luck!
drdawg (Ken Ramsey) - Tropical Plants & More

I don't have gray hair, I have a lot of wisdom-highlights. I must be very wise.
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Nov 2, 2021 7:24 PM CST
Name: Gigi
Florida (Zone 9a)
Adeniums Roses Plumerias Orchids Miniature Gardening Hibiscus
Region: Florida Container Gardener Garden Photography Cactus and Succulents Butterflies Garden Ideas: Level 1
@discoflowers Welcome! would love to see pictures of your plumeria collection!
┬ęby Gigi Plumeria "Gardening is my favorite pastime. I grow whatever plant that catches my attention." Plumeria Photos http://www.flickr.com/groups/c... plant photos: http://www.flickr.com/photos/g...
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