Gladiolus
Q.

glads turned yellow in color

Anonymous added on August 1, 2015 | Answered

Why has my old glads turned yellow in color? I had all colors but now I have mostly yellow flowers. Why?

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on August 1, 2015

There are a number of reasons for this odd occurrence: grafted plants can revert back to their rootstock, stress from transplanting or being left in ground too long (bulbs), seedlings which produce differently than parent, age of plant (likely the case with yours) can cause faded flowers or yellow/white blooms, soil pH, and mutations.

Here is more information: https://www.gardeningknowhow.com/plant-problems/environmental/fixing-color-faded-flowers.htm

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