The addition of Tui Hydrangea Blue to your garden will enhance the deep, blue colour of your hydrangeas. Tui Hydrangea Blue also benefits other acid-loving plants, acidifying soil to create ideal conditions for healthy growth so plants reach their flowering potential.
Acidifies soil to reduce the pH level.
Also suitable for other acid loving plants such as azaleas, rhododendrons, camellia, ericas, daphne, gardenias and kalmias.