How much sun does Climbing Dayflower need?

Climbing Dayflower grows best in part sun conditions.

When does Climbing Dayflower bloom?

Climbing Dayflower blooms in May, June, July, August, September, and October.

Is Climbing Dayflower toxic to livestock?

The USDA PLANTS Database does not flag Climbing Dayflower as toxic to livestock.

What pollinators does Climbing Dayflower attract?

Climbing Dayflower draws bees and butterflies.

Is Climbing Dayflower HOA-friendly?

Climbing Dayflower takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Climbing Dayflower

Name: Pollinator Patch
Author: Pollinator Patch

Commelina diffusa

Last reviewed: August 2026

Toxicity unknown

Climbing Dayflower (Commelina diffusa) 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.

The USDA PLANTS Database (opens in new tab) does not flag Climbing Dayflower as toxic to livestock.

Light

part sun

Water

medium

Size

4"–24" H × 6"–18" W

Bloom

May, Jun, Jul, Aug, Sep, Oct

Pollinators

bees, butterflies

Native alternatives to Climbing Dayflower

Climbing Dayflower is not native to the United States. These natives fill a similar role in a planting, matched on bloom season, bloom color and mature size.

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

Climbing dayflower is a low-growing perennial groundcover with small three-petaled blue flowers that bloom from late spring through fall. This native plant spreads by trailing stems and self-seeding, forming colonies in partly shaded areas with consistent moisture.

In an HOA neighborhood

Climbing Dayflower 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.

Spreads aggressively and can look weedy
Small flowers and trailing habit appear informal
May be viewed as invasive groundcover by HOAs

Wildlife value

The small blue flowers attract native bees and provide nectar for butterflies throughout the long blooming season.

Common questions

How much sun does Climbing Dayflower need?: Climbing Dayflower grows best in part sun conditions.
When does Climbing Dayflower bloom?: Climbing Dayflower blooms in May, June, July, August, September, and October.
Is Climbing Dayflower toxic to livestock?: The USDA PLANTS Database does not flag Climbing Dayflower as toxic to livestock.
What pollinators does Climbing Dayflower attract?: Climbing Dayflower draws bees and butterflies.
Is Climbing Dayflower HOA-friendly?: Climbing Dayflower takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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 Climbing Dayflower? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Add this plant to your garden

iPhone app Android app

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

Not sure where to start? Take the 2-minute yard quiz