Lobelia siphilitica (Great Blue Lobelia)
Botanical Information
| Family | Campanulaceae |
| Genus | Lobelia |
| Species | siphilitica |
| Category | Perennials, Wildflowers & Weeds |
| Origin | Eastern United States. |
Details
| USDA Hardiness Zone | 5 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 4 - 6a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -29 - (-23) |
| Temperature (°F) | -20 - (-10) |
| Height | 60 cm |
| Growth | Fast |
| Flowering Period | June, July, August, September |
Description and Growing Information
| Propagation | Propagate by fresh seed in autumn. |
| Cultivation | Grow in full sun or partial shade in moist, rich soil. Cut stems to ground level after flowering. |
| Leaf Description | Leaves to 10 cm, light green and somewhat pubescent. |
| Flower Description | Flowers are blue, appearing in dense spikes. |
Photographs
