Balloon Flower Where To Plant. It is best to plant nursery balloon flowers outdoors after the winter has passed to protect them from the last threat of frost. Balloon flower does best in full sun but does tolerate part shade.

They have a preference for a rich and moist soil and like to grow in sunny or partially shaded areas of the garden that have good drainage. If starting off indoors do so about 7 or 8 weeks in advance. You can also take this opportunity to fertilize your plants to speed up.
It likes well drained slightly acidic soil.
They have a preference for a rich and moist soil and like to grow in sunny or partially shaded areas of the garden that have good drainage. If starting off indoors do so about 7 or 8 weeks in advance. It likes well drained slightly acidic soil. They can also be planted from spring to fall but they might not bloom until the next year.