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- Yates Hydrangea Blueing Tonic helps to turn Hydrangea flowers a deep blue colour
- Ideal tonic for acid loving plants such as azaleas, camellias and rhododendrons
- Easy to use and apply by watering can application
- No messy dusty powders to handle.
- Fast acting
Use if Hydrangeas are pale blue in colour and you want to intensify the colour, or they are pink and you want to turn them blue.
Acidic soil ( pH 4.5- 5.5) produces blue flowers, less acidic soil (pH 5.5 – 7 ) produces pale purplish flowers, and alkaline soil (pH 7 – 8.5) produces pink flowers
Easy to use and apply by watering can application: no messy dusty powders to handle.
PurchaseYates 500ml Hydrangea Blue Aluminium Sulfate Plant...
$15.43
$15.43