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Baskets and containers are notoriously thirsty, but careful watering will save water and allow plants to flourish.
Scientist Tijana Blanusa and a team at the School of Biological Sciences, University of Reading, with funding from the RHS, set up experiments using petunias and busy lizzies to monitor amounts of water take-up by the plants.
There were three major findings:
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Join the RHS today and get 12 months for the price of 9