Thompson & Morgan Hydrangea Plant
Description
Hydrangea colourant can be used on both new and established plants but it is recommended that you wait a few weeks after planting/potting before the first dose is applied. This hydrangea colourant is only effective on hydrangea macrophylla varieties. How to use: Dissolve 50g (10 teaspoons) of hydrangea colourant into 2.5 litres of water. Apply every month during the growing season, drenching the soil around the plant. The colourant can also be applied to container-grown plants using the same method. - Hydrangea Colourant; supplied as 4 x 100g packets Features: Hydrangea colourant that works by manipulating the pH acidity of the soil to change the colour of hydrangea blooms from pink to an attractive blue for a colourful display The pH scale works by measuring how acidic or alkaline something is on a scale of 0-14; 7 is the mid-point and is neutral while numbers above 7 represent increasing levels of alkaline while numbers below 7 represent increasing levels of acidity Pink hydrangea plants are produced in in neutral or slightly acidic soil while blue hydrangeas require highly acidic soils Our colourant’s aluminium sulphate formula provides this acidity and the other nutrients required to give your pink hydrangeas a beautiful blue makeover! Ideal for pairing with Hydrangea plant food / feed Supplied as 4 x 100g packets Specifications: Colour: Blue Model Number: KA7799
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