Garden Seeds
Blue Heaven Windowbox Lobelia Flower Seeds
Sold by Annie’s Annuals & Perennials · United States
Buy directly from Annie’s Annuals & Perennials. Final price and availability confirmed at checkout.
Blue Heaven spills a cool shower of cerulean over every edge it reaches. Masses of tiny 3/4-inch flowers ride on trailing stems, turning a hanging basket, window box, patio pot, or pathway border into a continuous ribbon of blue. This weather-resistant
Read moreRead less
lobelia grows only 6–7 inches high and flowers through changing conditions. It enjoys part shade, yet it also performs in sun where summers are moderate, making its graceful habit unusually adaptable. Botanical name: Lobelia erinus Cultivar: Blue Heaven Life cycle: Tender annual Exposure: Sun to part shade Sowing: Start indoors about 6 weeks before the last frost Planting depth: Surface sow; do not cover Germination: 14–21 days Mature height: 6–7 in., with a trailing habit Final spacing: 5 in., transplanting small clusters Approximate seed count: 600–800 Seed-starting help: Tiny seeds, large opinions. This variety begins with a little backstage work. Review how to start flower seeds indoors and when to begin in your climate . Keep baskets evenly watered and shear fading flowers lightly to renew the cascade. Find more container-ready varieties in our flower seed packets .