Pieter explains to you how and when to spray your plants,
CANNA Masterclass shares grow-how from the best world experts with you: hobby grower, gardening enthusiast and professional horticulturist. In this first season, our botanical advisor Pieter Klaassen teaches classes on hand-watering systems, hydroponic systems, pest- and disease control, prevention and treatment of deficiencies and much more. Tune in and don't miss your Masterclass. Masterclass: [ Ссылка ]
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