Rhubarb -- Seed Stalks
Flower and seed stalks reduce the vigor of the plant. Energy is funneled into the stalks instead of new growth. Therefore, flower and seed stalks should be cut out as soon as they start forming. However, the plant may still continue to produce the flower stalks. Keep cutting.
Plants do NOT become poisonous after flowering starts. Leaf stalks can still be cut and used.
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