How much sun does Splitlip Hempnettle need?

Splitlip Hempnettle grows best in part shade conditions.

When does Splitlip Hempnettle bloom?

Splitlip Hempnettle blooms in June, July, August, and September.

What pollinators does Splitlip Hempnettle attract?

Splitlip Hempnettle draws bees and moths.

Is Splitlip Hempnettle HOA-friendly?

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

Splitlip Hempnettle

Name: Pollinator Patch
Author: Pollinator Patch

Galeopsis bifida

Last reviewed: September 2026

Toxicity unknown

Splitlip Hempnettle (Galeopsis bifida) 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 shade

Water

medium

Size

8"–24" H × 4"–12" W

Bloom

Jun, Jul, Aug, Sep

Pollinators

bees, moths

Native alternatives to Splitlip Hempnettle

Splitlip Hempnettle 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.

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Splitlip hempnettle is a modest annual wildflower that grows 8-24 inches tall with small, tubular flowers that bloom from June through September. This plant thrives in partial shade with moderate moisture and has a compact, upright growth habit.

In an HOA neighborhood

Splitlip Hempnettle 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.

Name includes 'hempnettle' which may cause neighbor concerns
Can appear weedy or unkempt to unfamiliar observers
Annual growth habit creates inconsistent appearance year to year

Wildlife value

The flowers provide nectar for native bees and moths throughout the summer and early fall blooming period. As an annual, it also produces seeds that can feed small birds.

Common questions

How much sun does Splitlip Hempnettle need?: Splitlip Hempnettle grows best in part shade conditions.
When does Splitlip Hempnettle bloom?: Splitlip Hempnettle blooms in June, July, August, and September.
What pollinators does Splitlip Hempnettle attract?: Splitlip Hempnettle draws bees and moths.
Is Splitlip Hempnettle HOA-friendly?: Splitlip Hempnettle 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.

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