Mandevilla Plants

Mandevilla – I Have a Large Vine With No Flowers. What Should I Do?

tojoandev added on May 7, 2013 | Answered

The plant is in a 16" pot in a semi-shaded corner facing east. It is vigorously growing vine but no flowers for about a year.

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Certified GKH Gardening Expert
Answered on May 8, 2013

The plant might be getting too much nitrogen fertilizer. It may need phosphorus, which is responsible for blooming in plants. Try a high phosphorus fertilizer or add bone meal to the soil. Here is more information:

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Answered on May 8, 2013
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