Impatiens Plants
Q.

Yellowing Impatiens

Anonymous added on June 24, 2011 | Answered

I have been planting impatiens in front of my house in beds for several years. They always did great. The last two years they have been terrible. They are not growing and the leaves are yellowing. We planted at the end of May. We put down fresh topsoil and after planting they were mulched. They were fed twice with Miracle Gro. I know the sun and shade pattern is ok because they did well in previous years. I usually water every other day unless the weather is exceptionally hot. Any ideas?

A.
A.Answers to this queston: Add Answer
Nikki
Certified GKH Gardening Expert
Answered on June 25, 2011

It sounds like they have chlorosis. Most of the time, this is cause by a lack of nitrogen or too much phosphorus, but since you have been fertilizing with a macronutrient fertilizer, I suspect that the pH may be off. This article will help:
https://www.gardeningknowhow.com/plant-problems/environmental/leaf-chlorosis-and-iron.htm

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