It is important to know the pH of your soil before you plant. Some plants prefer more acidic soil (lower pH) and some plants prefer alkaline (higher pH). Home testing kits are readily available and are easy to use.
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RHS Garden, Wisley
Woking, United Kingdom
Gardens of Versailles
Versailles, France
Kirstenbosch National Botanical Garden
Cape Town, South Africa
Humble Administrator's Garden
Suzhou, China
Rio de Janeiro Botanical Gardens
Rio de Janeiro, Brazil
The New York Botanical Garden
New York, United States