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Build up your plant cell walls & encourage productivity with Sturdy Stalk, a potassium silicate supplement from Emerald harvest. Sturdy Stalk's key ingredient -silica- fortifies your plants & enriches the internal structures needed to support top-heavy plants laden with flowers & fruits. Because it strengthens cells, silica helps plants withstand environmental & other stressors so that they spend more of their energy creating blooms & buds. The other main ingredient in Sturdy Stalk, potassium, helps your plants get the most benefit from photosynthesis, no matter with what light or where your plants are cultivated.