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Longleaf Summer Bluet

Houstonia longifolia

Last reviewed: August 2026

Houstonia longifolia (Longleaf Summer Bluet) is a native forb blooming May through July across eastern and central United States. This drought-tolerant wildflower attracts bees and beetles with small blue flowers.

Longleaf Summer Bluet (Houstonia longifolia)
Photo: Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 254. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. / Wikimedia Commons (Public domain)

Toxicity unknown

Longleaf Summer Bluet (Houstonia longifolia) 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

low

Size

4"–12" H × 2"–6" W

Bloom

May, Jun, Jul

Native to

AL, AR, FL, GA and 19 more states

Pollinators

bees, beetles

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 437 programs across 44 states, each with a link to the provider and the date we last checked it.

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Longleaf summer bluet is a delicate native wildflower that forms small clumps of narrow leaves topped with tiny four-petaled blue flowers from May through July. This compact perennial stays very low to the ground and requires minimal water once established.

Growing Longleaf Summer Bluet

Grow Longleaf Summer Bluet in full sun and low water. Mature plants reach 4 to 12 inches tall and spread 2 to 6 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Longleaf Summer Bluet takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Very small flowers may appear insignificant to neighbors
  • Low mat-forming growth can look like weeds
  • May be mistaken for lawn weeds when not in bloom

Wildlife value

The small flowers attract native bees and beetles during the summer blooming period. Its compact size makes it useful as a pollinator plant in tight spaces.

Common questions

When does Longleaf Summer Bluet bloom?
Houstonia longifolia blooms from May through July, producing small blue flowers that attract native pollinators.
Where is Longleaf Summer Bluet native?
This species is native to 24 states across the eastern and central United States, from Minnesota and New York south to Florida and Texas.
What growing conditions does Longleaf Summer Bluet prefer?
Houstonia longifolia thrives in full sun to partial sun with low to moderate water requirements, making it suitable for drought-tolerant gardens.
What pollinators visit Longleaf Summer Bluet?
The small flowers of Houstonia longifolia attract various bees and beetles, supporting native pollinator populations.
Is Longleaf Summer Bluet HOA-friendly?
Longleaf Summer Bluet takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Longleaf Summer Bluet? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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