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Looseflower Water-willow

Justicia lanceolata

Last reviewed: August 2026

Looseflower Water-willow (Justicia lanceolata)
Photo: Patrick Alexander from Las Cruces, NM / Wikimedia Commons (CC0)

Toxicity unknown

Looseflower Water-willow (Justicia lanceolata) 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

part sun

Water

high

Size

12"–36" H × 12"–24" W

Bloom

May, Jun, Jul, Aug, Sep

Native to

AL, AR, FL, GA and 8 more states

Pollinators

bees, 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 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Looseflower water-willow is a native perennial that produces delicate white to pale purple flowers from late spring through fall. This moisture-loving plant forms neat clumps with narrow, lance-shaped leaves and thrives in wet areas where other plants might struggle.

In an HOA neighborhood

Looseflower Water-willow takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Requires consistently wet conditions that may look inappropriate in typical landscapes
  • Can appear weedy or unkempt to those unfamiliar with native plants
  • May not maintain neat appearance during dry periods

Wildlife value

The long blooming period provides nectar for bees and butterflies throughout the growing season. Its flowers are particularly valuable for native pollinators during the hot summer months when fewer plants are blooming.

Common questions

How much sun does Looseflower Water-willow need?
Looseflower Water-willow grows best in part sun conditions.
When does Looseflower Water-willow bloom?
Looseflower Water-willow blooms in May, June, July, August, and September.
Where is Looseflower Water-willow native?
Looseflower Water-willow (Justicia lanceolata) is native to AL, AR, FL, GA and 8 more states, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Looseflower Water-willow attract?
Looseflower Water-willow draws bees and butterflies.
Is Looseflower Water-willow HOA-friendly?
Looseflower Water-willow takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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.

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.

See all plant problem guides

Ready to grow Looseflower Water-willow? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Planning a bed around it? Start a free plan with this plant

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