Old Yellow Alamanda Looks Like It’s Diseased

HAs yellowing, withered leaves and undeveloped blooms. This plant has been in the same location for 20 years but has always had a lot of beautiful blooms.

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1 Comment To "Old Yellow Alamanda Looks Like It’s Diseased"

#1 Comment By GKH_Susan On 06/14/2021 @ 3:50 am

I can't tell if it is in a container or planted outside. If it's in a container, try changing the soil. If it's outside, check closely for insects or mite damage. They are prone to spider mites and white flies. Spraying with Neem Oil may help.

https://plants.ces.ncsu.edu/plants/allamanda-cathartica/ ^[1]
https://www.gardeningknowhow.com/plant-problems/pests/insects/spider-mite-treatment.htm ^[2]

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[1] https://plants.ces.ncsu.edu/plants/allamanda-cathartica/: https://plants.ces.ncsu.edu/plants/allamanda-cathartica/

[2] https://www.gardeningknowhow.com/plant-problems/pests/insects/spider-mite-treatment.htm: https://www.gardeningknowhow.com/plant-problems/pests/insects/spider-mite-treatment.htm

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