Mandevilla Plants

How Much( a Cup,a Quart ) Fertilizer Do You Use on Mandevillas Bi-Weekly.

Bhafixit added on April 4, 2018 | Answered

This site tells what and when ,but doesn’t state HOW MUCH PER PLANT of fertilizer is to be used Bi-weekly.

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Certified GKH Gardening Expert
Answered on April 5, 2018

It really depends on if this is liquid or slow release fertilizer. Liquids will have their own instructions, but I prefer to feed at half strength every two weeks. If this is granular, or slow release, then once in spring will be fine each year.

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