Description Easy-to-grow from flower seed, Balloon Flowers are an old-fashioned favorite, & they are as lovely in the garden as they are in the vase. This flower has unique star-shaped blue blossoms, & it blooms late summer & into the fall. Platycodon Grandiflorus has been around forever, & some of their biggest fans are children. They love to watch the balloons form (the buds) & then grow until the right time to pop open & form the lovely star-shaped flower. Balloon Flower plants are very hardy perennials that can withstand periods of drought, & they are rarely bothered by disease or insect problems making them virtually a maintenance-free perennial. Sowing instruction. How to sow: Season: Perennial Sowing: April - May Height: 70 cm Water: Dry to medium Blooms Time: July - September Environment: Full sun to partial shade Plant uses: alpine & rockeries, flower arranging, flowers borders & beds Sow indoors in trays or in the seed-bed. Transplant on the permanent place in Autumn. Grows in sandy-clay soil. Germinates in 2 to 3 weeks at 15 to 20oC (59 to 69oF) Balloon Flower Astra Blue - 250 Seeds Bellflower Platycodon Perennial Flower