Balloon Flower Hardiness Zone. Balloon flower platycodon grandiflorus this vintage perennial for the garden border is regaining popularity due to its extended blooming season and reliable hardiness even in zone 3. Balloon flower hardiness zone is 3 8.
Balloon flowers platycodon grandiflorus are part of the easy to grow bellflower family while they are sometimes commonly referred to as bellflowers their flower is really more of a star shape and about 2 to 3 inches wide in shades of blue violet white and pink. Balloon flower platycodon grandiflorus this vintage perennial for the garden border is regaining popularity due to its extended blooming season and reliable hardiness even in zone 3. Positive on aug 22 2006 wendypincham from cleveland oh wrote.
Cold hardiness this hardy perennial is both cold and drought tolerant and grows well in zones 4 9 and possibly hardy in some zone 3 locations.
Balloon flower hardiness zone is 3 8. Balloon flowers platycodon grandiflorus are part of the easy to grow bellflower family while they are sometimes commonly referred to as bellflowers their flower is really more of a star shape and about 2 to 3 inches wide in shades of blue violet white and pink. My obsession with balloon flower started 10 years. Supposed to be doubles but only single blooms but gorgeous anyway.