Q.use of Aluminum Sulphate
Can aluminum sulphate be used to change the color of pot grown Calla Lilies?
Downtoearthdigs
Answered on June 8, 2015
No, you are not able to change the color of a Calla Lily plant.
https://www.gardeningknowhow.com/ornamental/bulbs/calla-lily/growing-calla-lilies-and-care-of-calla-lilies.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/aluminum-in-garden-soil.htm
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