The Q&A Archives: Problem with tree

Question: One month ago I planted a 15 gal.Senna (Gold Medallion) tree for a client. It is planted in a patio area in rocky soil ( plant hole is twice size of tree. The tree is a Monrovia and was in bloom at the time planted. The soil was amended with a 20% topsoil mix from Miramar Nursery in San Diego. The owner watered the tree twice a week for the first two weeks, and waters, after checking for moisture once a week approximately. The tree has been dropping leaves on its own and when branches are touched. The leaves do not appear to be yellowing. Question, it this normal for Senna's to drop leaf after planting or after season bloom. Is plant in shock form transplanting?
Thnak you for your help.
Ann Smith

Answer: Cassia (Senna) leptophylla, the Gold Medallion tree, is partially deciduous in your region. It naturally loses some, but not all of its leaves in the winter time. As long as the tree is putting out new growth, there's nothing to worry about. It does like regular moisture (which it seems to be getting) but it will also adapt to slightly drier soils. The important thing is that the soil drains well - it hates wet feet. I think the tree is doing just what it should be doing at this time of year.


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