How Can You Change the Color of Hydrangeas?

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Reactions Science Videos | June 19, 2018

Savvy gardeners know that they can fine-tune they color of their hydrangea blooms by just changing the soil pH. But what does pH have to do with color?

Sources:
Curious Chemistry Guides Hydrangea Colors

Role of aluminum in red-to-blue color changes in Hydrangea macrophylla sepals

How to Change Hydrangea Color

Metal Complex Pigment Involved in the Blue Sepal Color Development of Hydrangea

Alleviating effect of citrate on aluminium toxicity of rice (Oryza sativa L.) seedlings

Interna1 Detoxification Mechanism of AI in Hydrangea'

Henry Schreiber

Structural and Thermodynamic Analysis of the First Mononuclear Aqueous Aluminum Citrate Complex Using DFT Calculations

Ever wonder why dogs sniff each others' butts? Or how Adderall works? Or whether it's OK to pee in the pool? We've got you covered: Reactions a web series about the chemistry that surrounds you every day.

Produced by the American Chemical Society.

 

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