Dipladenia - Knowledgebase Question

Rotonda West, Fl
Question by leng9
March 7, 2008
Hi,
Re: Dipladenia
I really like the beautiful blooms on this plant but I haven't had any luck with them. The first bunch I had died because I was told from too much water. The second bunch didn't die but they look puny, the leaves turn dull green, then yellow, then drop off. New leaves don't grow back even though the plants bloom but less and less. They are slowly dying. I've tried Miricle-Grow for acid loving plants and they don't seem to respond. They're planted in a mostly sun/some shade area. I just bought 4 more to mingle them with the dull ones. How can I keep them healthy looking like when I first buy them? Thank you.

Len Gruszka
leng@gls3c.com


Image
Answer from NGA
March 7, 2008

0

Len,

I apologize for this delayed reply to your gardening question. The spring rush has brought a deluge of questions and we are working hard to catch up!

When plants decline like that it is usually an indication that something is wrong in the soil. Since the first bunch may have died from excessive watering I suspect that is not the case now anymore. There may be an excess of salts or a particular nutrient in the soil which is causing those plants to suffer. You might consider having your soil tested at your County extension office to see if a nutrient imbalance is the problem. It is also possible that the soil is contaminated with some chemical that was applied to that spot previously there is no good way to test for this. This would require planting in another location, waiting for a few months, or replacing the soil in that general area. However I seriously doubt that this is the cause of your plant problems.

Thanks for the question. Best wishes for a wonderful gardening season. Please stop in again soon!

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