Platycodon grandiflorum Developed specifically for the cutflower trade, this 2½–3½' cultivar 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. 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. Perennial, Zones 3-8. ~1,100 seeds/g. ③
4881 Florist Blue Balloon Flower
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All flowers are annuals except where noted. All flowers are open-pollinated except where noted.
Days in parentheses after a variety indicate days to first bloom.