seeds
Open-pollinated. Perennial to Zone 3. This cultivar this 2½–3½'bears long-lasting deep blue rounded star-shaped flowers from June to August. Called Balloon Flower because the buds look like inflated balloons ready to burst. Developed specifically for the cutflower trade, from a plant native to East Asia. One of the Seven Flowers of Autumn in Japanese gardening. Slow to emerge in spring; needs some support once it does. Plant in sun to light shade, 12–18" apart. Taproot can make it tricky to transplant. Avoid wet soil where it will not thrive. ~1,100 seeds/g. ③
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