SITE

Great Blue Lobelia

Botanical Name

Lobelia siphilitica

Min Zone

4

Max Zone

9

Height

2 to 3 feet

Width

12 to 18 inches

Flowers

July to September: raceme of 2-lipped light to dark blue held atop sturdy stems

Light

Full sun to part shade

Soil

Moist to wet

Planting & Care

• Needs constant, consistent moisture
• Benefits from part shade in hot climates
• Divide in spring
• May self seed in optimum conditions
• Excellent for naturalizing along streams, banks, swamps and low wooded areas

Problems

None serious

Varieties

• Alba - white flowers