Cosmost likes full sun. It's daylight sensitive, so if it's not getting enough sun, it may be failing in health. Are you deadheading? Removing spent blooms encourages the plant to put its energy into new flowers, not seeds in old ones. Reply
Cosmost likes full sun. It's daylight sensitive, so if it's not getting enough sun, it may be failing in health. Are you deadheading? Removing spent blooms encourages the plant to put its energy into new flowers, not seeds in old ones.