How much sun does Glade lobelia need?

Glade lobelia grows best in full sun conditions.

When does Glade lobelia bloom?

Glade lobelia blooms in August, September, and October.

Where is Glade lobelia native?

Glade lobelia (Lobelia glandulosa) is native to AL, FL, GA, MD and 4 more states, per the World Checklist of Vascular Plants (Kew).

What pollinators does Glade lobelia attract?

Glade lobelia draws bees, hummingbirds, and butterflies.

Glade lobelia

Name: Pollinator Patch
Author: Pollinator Patch

Lobelia glandulosa

Last reviewed: September 2026

Glade lobelia (Lobelia glandulosa) is a perennial forb native to AL, FL, GA, MD and 4 more states. It blooms in August, September, and October. The flowers draw bees, hummingbirds, and butterflies.

Toxicity unknown

Glade lobelia (Lobelia glandulosa) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

high

Size

24"–48" H × 12"–18" W

Bloom

Aug, Sep, Oct

Native to

AL, FL, GA, MD and 4 more states

Pollinators

bees, hummingbirds, butterflies

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 460 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Middle Atlantic Coastal Plain Southeastern Plains Southern Coastal Plain Southern Florida Coastal Plain

A wetland perennial with narrow leaves and slender spikes of blue-purple flowers in late summer, similar in form to its better-known cardinal-flower relative. Its slim profile can look sparse without other wetland plants around it.

Growing Glade lobelia

Grow Glade lobelia in full sun and high water. Mature plants reach 24 to 48 inches tall and spread 12 to 18 inches wide.

Wildlife value

The tubular flowers are visited by bees, hummingbirds, and butterflies through the late-summer bloom period.

Common questions

How much sun does Glade lobelia need?: Glade lobelia grows best in full sun conditions.
When does Glade lobelia bloom?: Glade lobelia blooms in August, September, and October.
Where is Glade lobelia native?: Glade lobelia (Lobelia glandulosa) is native to AL, FL, GA, MD and 4 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Glade lobelia attract?: Glade lobelia draws bees, hummingbirds, and butterflies.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

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