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Not all soil is the same and different types of plants need different types of soil to survive. The pH scale is used to measure how acid or alkaline soil is. A lower pH means it is more acidic, a high pH means more alkaline and a pH or around 7 means it is netural.
If you do not know your soil pH Click Here
(Move the slider to select the pH of your soil)
Villa d'Este Gardens
Tivoli, Italy
Singapore Botanic Gardens
Singapore
Desert Botanical Garden
Phoenix, Arizona, USA
RHS Garden, Wisley
Woking, United Kingdom
Royal Botanic Garden Sydney
Sydney, Australia
Longwood Gardens
Pennsylvania, USA