If you've always wanted pink and purple French hydrangeas but your plants stay stubbornly blue, try this soil amendment that's hiding in your fireplace.

14:07, Fri, Sep 8, 2023 Updated: 16:46, Fri, Sep 8, 2023 Hydrangea blooms come in a rainbow of shades, ranging from pastel pink to royal red, but some varieties can change their tone over time.

Hydrangea macrophylla (Bigleaf Hydrangea): This variety is most commonly affected by soil pH. It includes both Mophead and Lacecap types. The color change is most dramatic in these hydrangeas.

IF you want to change the hue of your hydrangea blooms, it turns out it’s completely possible. It will take some little tweaks to nature, as well as a bit of patience. To change the colors of your ...