Mandevilla Plants
Q.

please give me a name of a high phosphorous, water soluble fertilizer

Zone 4 | mrsanon added on August 5, 2012 | Answered

I have your "Tips for Proper Mandevilla Care" but don't know what brand fertilizer to buy.

A.
A.Answers to this queston: Add Answer
Nikki
Certified GKH Gardening Expert
Answered on August 6, 2012

While there are numerous to choose from, you might try Miracle-Gro Water Soluble Bloom Booster Flower Food (15-30-15) or Shultz Bloom Plus Water Soluble Plant Food (10-54-10), though really any type will work as long as the phosphorus ratio is higher. You may also want to consider adding bone meal to the soil to increase phosphorus. Here is more information: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/bone-meal-fertilizer.htm

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