Great Blue Lobelia
Great Blue Lobelia
Lobelia siphilitica
Lobelia siphilitica
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- Large blue flowers that brighten the garden and pond edge.
- Perfect for damp soil and wet shoreline zones.
- Attracts bees and butterflies for greater biodiversity.
- Low maintenance and winter-hardy.
- Tall and striking - ideal as a focal point in marsh borders.
Lobelia siphilitica Great Blue Lobelia is a striking native perennial with tall, airy spikes of vibrant blue blooms that brighten any bed. This easy-care plant boosts pollinator-friendly activity, inviting bees and hummingbirds to your garden.
Growing to about 2-3 ft, it forms clumps with slender stems and lush green foliage, thriving in moist, well-drained soil. Its graceful, upright habit adds height and movement, creating a natural backdrop for borders.
A versatile addition to your outdoor space, it establishes quickly and brings a splash of color that lasts through summer. Enjoy the timeless appeal of the native beauty and the robust presence of Great Blue Lobelia.
Care and Watering
Keep Lobelia siphilitica in moist, well-drained soil with partial shade. Water regularly so the soil stays damp, especially in heat; mulch helps.
Location
Plant near streams, ponds, or in rich borders where it can receive morning sun and afternoon shade.
Maintenance
Deadhead after blooming and divide every 3–4 years to maintain vigor; avoid overhead watering to prevent mildew.
Tips
Support tall stems in exposed spots and use balanced fertilizer sparingly for best bloom.
Lobelia siphilitica Great Lobelia attracts all attention with its deep, vibrant blue plumes and provides a striking color accent in any bog collection.
Thanks to its stately height and long blooming period, it creates vertical dynamism and atmospheric depth.
A true showstopper for lovers of aquatic and marsh plants, loved by bees and butterflies.
| Flowering months | |
|---|---|
| Density per m2 | 5 a 7 |
| Max height full grown | 80 cm |
| Standing | Part shade, Full sun |
| Properties | Riparian plant zone 1 |
| Flower color | White, Blue |
| Leaf color | Green |
Delivery costs
| BE € 4,95 | NL € 5,95 |
| DE € 6,95 | FR € 9,95 |
| AT € 14,95 | DK € 16,95 |
| IT € 16,95 | ES € 19,95 |
| SK € 19,95 | CZ € 19,95 |
| SE € 20,95 | IE € 20,95 |
| LU € 20,95 |
Payment methods
- Eco Edenred - Sodexo - Monizze with online @ checkout payment method