Vinca Flower Seeds. In fact annual vinca is native to Madagascar and is prized for its nonstop flower show from early summer till fall. 45 out of 5 stars.
Botanical Name Vinca rosea Germination rates exceed USDA standards Grow from Seed and Save For early bloom start with a Jiffy seed starting kit indoors about 10 to 12 weeks before last frost. After seeds germinate provide strong direct light. But unlike shade-loving impatiens they thrive in full sun and intense heat.
Only 1 available and its in 14 peoples carts.
When to Plant Annual Vinca Seeds. Only 1 available and its in 14 peoples carts. When to Plant Annual Vinca Seeds. Vinca refers to several groups of plants suitable for a number of applications.