Northern Wildflowers – Great Blue Lobelia Seeds (Lobelia siphilitica)

Add vibrant late-season colour to your garden with Great Blue Lobelia, a beautiful native wildflower known for its tall spikes of striking blue flowers. This hardy perennial produces clusters of brilliant blue blooms that brighten gardens from mid-summer into early fall.

Great Blue Lobelia is a wonderful addition to pollinator gardens, attracting bees, butterflies, and other beneficial insects with its nectar-rich flowers. Its upright growth and bold colour make it ideal for garden borders, naturalized areas, and moist garden spaces.

These seeds are offered by Northern Wildflowers, a Canadian family-owned company dedicated to ethically sourced seeds that help support pollinators and native plant habitats.

Why Grow Great Blue Lobelia

💙 Brilliant Blue Flower Spikes – Eye-catching colour for garden beds
🐝 Pollinator Friendly – Attracts bees, butterflies, and beneficial insects
🌿 Hardy Native Perennial – Returns year after year once established
🌸 Late-Season Blooms – Adds colour when many flowers have finished
🌾 Great for Moist Gardens – Ideal for rain gardens and natural plantings

Growing Tips

Great Blue Lobelia grows best in moist, well-drained soil and prefers full sun to partial shade. Seeds may benefit from cold stratification to improve germination. Once established, plants are hardy and thrive in garden beds, woodland edges, or near water features.

Northern Wildflowers Great Blue Lobelia Seeds are a beautiful way to add native colour while supporting pollinators and biodiversity in your garden.