Aroids forum: Help with my alocasia amazonica please!

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Manchester
christianhart
Feb 14, 2018 2:44 AM CST
Good morning,

I'm struggling with my alocasia amazonica. I have two and they are both slowly going through the same issues. The first one I bought is down to one leaf from 5/6 and I have just taken 4 leaves off the second one which is bigger than the original.

The pictures show what happened/happening to both plants. The back of the leaf turns from the dark green/purple to a washed out purple and then the front of the leaf slowly loses colour and washes out.
Thumb of 2018-02-14/christianhart/5c7b4e
Thumb of 2018-02-14/christianhart/6811ac

I really love the plant so any help to try and save them would be greatly appreciated.

Should they be difficult to keep?

Thanks

Chris
Name: Christine
Saugerties, NY zone 5a
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Christine
Feb 14, 2018 7:26 AM CST
Pictures of the pot and soil would be a big help, also your watering techniques would help, plants location ? Sorry for all the questions but it helps us to help you Smiling Others members will have advice for you
Name: Michael
Coastal SE GA (Zone 9a)
emddvm
Mar 1, 2018 6:09 PM CST
I have grown that plant, and still have a couple actually, and have had exactly the same problem. They are in pots in my greenhouse. I really think it is from too much water. I have started adding a lot of perlite to my potting soil and that seems to have helped. They look much better now and I try to make myself keep the water to a minimum.
Name: Lin
Florida (Zone 9b)

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plantladylin
Mar 1, 2018 6:49 PM CST
African Mask (Alocasia 'Amazonica') and African Mask (Alocasia 'Polly') like bright, indirect light, warmth and an airy soil. Do your pots have drainage holes? I wonder if your plant may be having issues due to the roots staying too wet? Some potting medium/soils are extremely heavy and water retentive which allows no air circulation around the plants root system.

In my experience, this particular Alocasia does best when allowing the soil to go almost completely dry before watering again. Many years ago, I had an Alocasia 'Poly' that I lost to rot because it was left outside when we were on vacation and apparently it rained for most of the two weeks we were away. I learned to add a lot of Perlite to my potting medium, which helps soil aeration and aids in drainage.
~ Playing in the dirt is my therapy ... and I'm in therapy a lot! ~


Name: Will Creed
NYC
Professional indoor plant consultan
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WillC
Mar 2, 2018 3:59 PM CST
I am still waiting for a better photo. I have had success by keeping this plant in its original pot and watering it as soon as the surface of the soil is dry. There is not much leeway with watering as it will react unfavorably if allowed to get too dry or kept too wet.

It does best indoors in a north or east facing window. Avoid cold temps or drafts for this rather fragile plant. Watch for spider mites!
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
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