Lobelia (Cambridge Blue)
Botanical Interest Brand
The soft, light blue flowers of Cambridge Blue are perfect for any spot in the garden, hanging baskets, containers, window boxes, or borders. The pale green foliage is not often seen because of the profusion of flowers that bloom from spring to fall. In mild climates, lobelia will grow and bloom during the winter. Under ideal growing conditions, lobelia may reseed.
When to Sow Outside: 1 to 2 weeks after your average last frost date. In Mild Climates, sow in late summer for winter color.
When to Start Inside: RECOMMENDED. 8 to 10 weeks before your average last frost date. Ideal soil temperature for germination is 60°–70°F.
Days to Emerge: 15–20 days
Seed Depth: Press lightly into surface
Seed Spacing: Sow in groups of 12–20 seeds, 4"–6" apart
Thinning: Not required.