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Lobelia siphilitica

Blue Lobelia

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Lobelia siphilitica (Blue Lobelia)

In September and October stout spikes of two-lipped flowers bloom. In optimum growing conditions it may self-seed forming attractive colonies.

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Height
24-36 Inches

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Spread
12-18 Inches
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Bloom/Seasonal Color
Blue


USDA Hardiness Zone 4-8

Good Companions
Cardinal Flower (Lobelia cardinalis), Marsh Milkweed (Asclepias incarnata), Joe Pye Weed (Eupatorium purpureum), Golden Ragwort (Senecio aureus), Copper Iris (Iris fulva)

Characteristics & Attributes

Critter Resistance

• Rabbit Resistant
• Deer Resistant

Hydrologic Designation

• OBL

Nature Attracting

• Hummingbird
• Butterfly

Season of Interest

• Late (July-frost)

Soil Moisture

• High

Special Uses

• Bog
• Fresh Cut Flower

Sun Exposure

• Full Sun
• Medium Sun/Average Shade

USFS MO Ecological Map

• Central Dissected Till Plain
• Osage Plains
• Mississippi Aluvial Basin
• Ozark Highlands

Wildlife Benefit

• Butterfly Nectar