Spring/summer/fall bloom
Frost tender
In early spring, about 6 weeks before last spring frost, sow these tiny seeds thinly in a container of seed starting mix, but do not cover seeds, just press lightly into the soil and gently mist to keep moist until germination. Keep evenly moist and about 65-75°F (18-24°C). Provide a strong light source. When seedlings are large enough to handle and night temps reach 50°F (10°C), gradually acclimate to outdoor conditions. Transplant in little clumps of 4 to 5 seedlings about 5 inches apart in well-drained soil in sun or part shade.
CONTAINER GROWING: Transplant seedlings into pots or baskets that are at least 10 to 12 inches across and 10 to 12 inches tall. Fill with moistened fresh potting mix, then transplant small clumps of 4 to 5 seedlings several inches apart and water gently. Be sure to keep Lobelia in containers well watered and feed with all-purpose fertilizer every few weeks for continual profuse bloom. Shear spent flowers back for reblooming.
Whether used as a gorgeous groundcover color accent or for a trailing window box or patio container display, this lovely Lobelia will bloom longest if it has rich, moist soil, so don’t forget to water regularly as needed and fertilize frequently.