Heartsease can be grown outdoors in zones 3-9, either from seeds or seedlings. For best results, sow seeds in the spring (around April) and harvest the flowers for as long as they bloom, usually until the early fall.

What months do pansies flower?

How to plant pansies. Plant pansies from late summer to mid/late autumn to bloom through winter and the following spring. They can also be planted in spring to early summer to bloom through the growing season. Spacing depends on planting time as well as variety size.

What months do violas flower?

Violas tend to have small flowers and tolerate heat, with a long flowering season from early summer to early autumn.