Ask a Question forum→Anthurium andraeanum - spots on leaves

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New York
botanicus
May 7, 2020 10:28 AM CST
Hi there, I'm looking for some advice with my relatively rare colection piece of anthurium scherzerianum. It's hard to find so I keep it but unhappy with the look. I've had the plant for about 2 years now. After half a year the leaves begun to curl and have some spotting and looking ill in general. I've repotted the plant twice, tried some anti-fungus soil+cinnamon roots cure /didn't result in any better condition/, tried spraying with pest solution of mix rapeseed oil+water, cut the top and let it regrow new roots & potted in orchid soil mix ... But still there is this beautiful but unhealthy looking plant with some unknown issue. Despite condition of leaves the plant is blooming regularly. Checked the roots with nothing to see. Watering with the soil let to dry.

Is there anything I can do to cure the unknown disease ?

Appreciate any help in advance!
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[Last edited by botanicus - May 7, 2020 10:32 AM (+)]
Give a thumbs up | Quote | Post #2230783 (1)
Name: one-eye-luke US.Vet.
Texas (Zone 8a)
Quitter's never Win
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oneeyeluke
May 8, 2020 3:30 AM CST
No one on this forum will tell you to up-pot or transplant your plant into a bigger container, because of WillC's book, Don't Repot That Plant! But if you have to water it more than one time a week and you keep the size of next pot only 2 inches larger, I say its ok,

If you use this method-- use the same amount of water only that you used in the smaller pot. After you up-pot to 2 inches only water the inside around the plant leaving the outer new soil dry. A week or 10 days later water the outside using only the amount used with first pot leaving the center dry. After 14 days pass, you can water the container with the amount needed the up-potted transplant. Measure the volume of your water is a sure way not to over or under water.

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NOT A EXPERT! Just a grow worm! I never met a plant I didn’t love.✌
[Last edited by oneeyeluke - May 8, 2020 3:39 AM (+)]
Give a thumbs up | Quote | Post #2231534 (2)
Name: Will Creed
NYC
Prof. plant consultant & educator
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WillC
May 8, 2020 9:53 AM CST
Welcome! Overall your Anthurium appears to be healthy. The leaf discoloration is unlikely to be a disease or pest problem. It is more likely related to the condition of the roots that do best when left undisturbed. The changing of the soil and the addition of various treatments to the soil have not helped and may be part of the problem.

Water it thoroughly whenever the top half-inch of soil feels dry. Use plain water or filtered or distilled water if your tap water is hard.

If the soil dries out too frequently, then it may be ready for a pot one size larger.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care

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