Plant Health - Knowledgebase Question

Commack, NY
Question by D1701C
May 13, 2001
I am having trouble with my Azaleas.They last about 2 years after planting.in the 3rd year they start to loose there leaves.They will bud,and soomtimes the buds will open.After the buds die the plant seems to be dead.I have been told it could be cats,soil,and too close to my foundation.I am not sure of when to feed,what to feed,or how often to feed.I have 6 Azalea plants they do not die all at the same time.Iloose 1 or 2 a year.Can you help me with this problem.I have 1 plant now with no leaves,and the buds are opening.Thank you for your time,Danny


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Answer from NGA
May 13, 2001

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I would strongly suggest you run some basic soil tests and make sure that your soil is acidic. It must also be well enriched with organic matter. It should also drain well because these plants are sensitive to overwatering, especially in a clay based soil. The plants must not be planted too deeply, their roots will smother. They should be mulched year round with several inches of organic mulch to help keep the soil evenly moist and cool. Watering should be done as needed to keep the soil moist but not sopping wet. Azaleas are not terribly heavy feeders. Your fertilizing should be done based on the results of your soil test. Fertilizer will not compensate for cultural conditions that are poor. Finally, make sure the varieties you are planting are rated reliably hardy for your area.

Lastly, examine the plants often for any sign of foliar distress such as white specklinh, discolored edges or discolored veins. Take a sample to your county extension and have them identify the problem for you and suggest solutions. Sometimes azaleas suffer from a pest or disease problem and will linger for a year or two before giving up. Some of these can be carried from year to year in the soil, so it is important to have an accurate diagnosis.

I hope this helps you troubleshoot.

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