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Blue Waterleaf

Hydrolea ovata

Last reviewed: June 2026

Blue Waterleaf (Hydrolea ovata)
Photo: (c) Laura Clark, some rights reserved (CC BY), uploaded by Laura Clark

Light

full sun

Water

high

Size

24"–36" H × 6"–18" W

Bloom

Jun, Jul, Aug, Sep, Oct, Nov

Native to

TX

Pollinators

butterflies, bees

Blue Waterleaf is a moisture-loving perennial that produces clusters of bright blue flowers from summer through late fall. This native forb grows 2-3 feet tall with a narrow spread, making it suitable for rain gardens and consistently moist areas. The plant goes dormant in winter, dying back to ground level before returning in spring.

In an HOA neighborhood

Blue Waterleaf is an HOA-friendly choice. Maintenance level: low. Tidiness: 2 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

Wildlife value

The long blooming period provides nectar for butterflies and bees from June through November. The extended flower production makes it particularly valuable for late-season pollinators preparing for winter.

Common questions

How much sun does Blue Waterleaf need?
Blue Waterleaf grows best in full sun conditions.
When does Blue Waterleaf bloom?
Blue Waterleaf blooms in June, July, August, September, October, and November.
Where is Blue Waterleaf native?
Blue Waterleaf (Hydrolea ovata) is native to TX, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Blue Waterleaf attract?
Blue Waterleaf draws butterflies and bees.
Is Blue Waterleaf HOA-friendly?
Blue Waterleaf is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Blue Waterleaf fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.