Lobelia siphilitica
Giant Blue Lobelia |
USDA Zone: 4-9 |
Plant number: 1.328.500
The perennial Lobelias have upright spikes of large flowers, not at all like the more familiar trailing types grown in hanging baskets. This easy-to-grow native species bears heads of dark blue to white flowers through late summer and fall, over dark-green leaves. Plants will usually self-sow, and the seedlings are easily moved while still small. Clumps may also be divided in early spring. Much more perennial in habit than most of the other hardy types. Attracts both butterflies and hummingbirds. Excellent for cutting. CAUTION: Harmful if eaten.
Further details for
Lobelia siphilitica
Optimal Growing Conditions
Sun Exposure
Soil Type
Soil pH
Soil Moisture
Care Level
Appearance and Characteristics
Flower Colour
Blooming Time
Foliage Color
Plant Uses & Characteristics
Flower Head Size
Height 60-90 cm 23-35 inches
Spread 30-60 cm 12-23 inches
Foot Traffic
Growth Rate
Disclaimer: This information is presented for reference only. This plant is not currently part of our Heritage Perennials lineup.
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