Cassia Trees

3 Yr Old Cassia Bush


Mimi added on September 9, 2016 | Answered

The leaves are drying up. It's putting out new growth but it also shrivels up and dies. It's almost all dead. I've ruled out climate, watering, fertilizer, fungus, insects. I hate to lose it as it has been beautiful. Help!


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ANSWERS
Alisma
Certified GKH Gardening Expert
Answered on September 9, 2016

Perhaps a toxin could be damaging your cassia bush? If it is located near a road (where salts or leaking oil could be a problem) or a property where herbicides or certain insecticides have been used, these chemicals could have reached your plant's root system or foliage. Check these articles to see if the symptoms match:

https://extension.umd.edu/hgic/herbicide-damage-trees-and-shrubs
http://utahpests.usu.edu/IPM/htm/ornamentals/landscape-insects-and-diseases/herbicide/
http://www.umass.edu/urbantree/factsheets/18roadsalttrees.html
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/how-long-does-weed-killer-last-in-the-soil.htm

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