Concern about brown edges of champaca alba leaves - Knowledgebase Question

La Mesa, ca
Avatar for sfthardy
Question by sfthardy
September 21, 2005
Hi... I bought a Monrovia Champaca Alba about 4 months ago. It has been blooming and growing wonderfully. Just recently, I have noticed the leaves are getting brown edges with the tips becoming more brown aread... we deep water about 1 time a week, and it gets lawn water several times a week... any help you can give me? Should I be doing any particular care right now during autumn? Thanks... Francine H.

Answer from NGA
September 21, 2005
Brown margins on leaf tips can indicate over or under watering or over fertilization. Your schedule of weekly watering is fine; but it could be that your lawn sprinklers are keep the soil too moist for the tree. The browning might also indicate salt burn from lawn fertilizer. If possible, redirect your sprinkler so the area immediately around the tree is watered only once each week. When you fertilize your lawn, try to keep fertilizer away from the dripline of the tree. This fall, rake and remove fallen leaves from beneath your tree and continue to water deeply once each week until fall rains take over for you. I suspect your tree will adjust to its growing conditions over time. Best wishes with your landscape!

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