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Sick Gardenia
Something happened to my 50 year old gardenia bush last fall or winter.
I am not sure what variety I have. I can provide pictures if helpful. During that time, the plant dropped most of the large green leaves. Now, the remaining long branches only have very small leaves and stunted blossoms. The usual spring growth of large new leaves and new blossoms just won't start. What can I do to revive my gardenia? Feeding it with Gardenia, Azalea Camellia food twice has not caused increased large leave growth or new blossoms. Should I prune back the long branches? Thank you for any suggestions. Dave_s |
#2
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Sick Gardenia
On 4/8/2009 6:09 AM, Dave_S wrote:
Something happened to my 50 year old gardenia bush last fall or winter. I am not sure what variety I have. I can provide pictures if helpful. During that time, the plant dropped most of the large green leaves. Now, the remaining long branches only have very small leaves and stunted blossoms. The usual spring growth of large new leaves and new blossoms just won't start. What can I do to revive my gardenia? Feeding it with Gardenia, Azalea Camellia food twice has not caused increased large leave growth or new blossoms. Should I prune back the long branches? Thank you for any suggestions. Dave_s Check to make sure your gardenia food contains zinc. Gardenias need as much zinc as do citrus trees. I found that some (not all) Ace Hardware stores can order zinc sulfate in 5 lbb bags for under $10. A 5 lbb bag should last you the rest of your life since a gardenia take about 1 Tbs per month in the growing season. On the other hand, most plants -- even trees -- have a finite lifespan. Perhaps your gardenia is just too old. A severe pruning might rejuvenate it, but such a pruning might also kill it. -- David E. Ross Climate: California Mediterranean Sunset Zone: 21 -- interior Santa Monica Mountains with some ocean influence (USDA 10a, very close to Sunset Zone 19) Gardening diary at http://www.rossde.com/garden/diary |
#3
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Sick Gardenia
Dave_S wrote:
Something happened to my 50 year old gardenia bush last fall or winter. I am not sure what variety I have. I can provide pictures if helpful. During that time, the plant dropped most of the large green leaves. Now, the remaining long branches only have very small leaves and stunted blossoms. The usual spring growth of large new leaves and new blossoms just won't start. What can I do to revive my gardenia? Feeding it with Gardenia, Azalea Camellia food twice has not caused increased large leave growth or new blossoms. Should I prune back the long branches? Thank you for any suggestions. Dave_s I lost one gardenia that I had as a house plant but take out in the summer to scale. It and a second gardenia were also infested with spider mites which are easily controlled with soapy spray and I thought that was the cause. When I finally figured out problem was scale, treatment with a systemic saved the one plant. Regular insecticides and mitacides would not work. |
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