Superthrive is THE original plant vitamin & hormone supplement manufactured in the US of A since 1940! it was the gold medal winner at the 1940's world fair.
With a reputation built upon over half a century of use by horticulturists and agriculturist alike form all over the planet.
£14.00
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Superthrive is the original vitamin & plant hormone solution which was developed by Dr John A. A. Thomson and was...