How much sun does Bristly Greenbrier need?

Bristly Greenbrier grows best in part sun conditions.

When does Bristly Greenbrier bloom?

Bristly Greenbrier blooms in May, June, and July.

Where is Bristly Greenbrier native?

Bristly Greenbrier (Smilax tamnoides) is native to AL, AR, CT, DE and 29 more states, per the USDA PLANTS Database and regional native plant society lists.

What pollinators does Bristly Greenbrier attract?

Bristly Greenbrier draws bees and beetles.

Is Bristly Greenbrier HOA-friendly?

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

Bristly Greenbrier

Name: Pollinator Patch
Author: Pollinator Patch

Smilax tamnoides

Last reviewed: June 2026

Bristly Greenbrier (Smilax tamnoides) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org (opens in new tab), last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part sun

Water

medium

Size

120"–360" H × 48"–240" W

Bloom

May, Jun, Jul

Native to

AL, AR, CT, DE and 29 more states

Pollinators

bees, beetles

Browse plants for this ecoregion

Central Oklahoma/Texas Plains Edwards Plateau Texas Blackland Prairies East Central Texas Plains South Central Plains

Bristly greenbrier is a vigorous native vine that can climb 10-30 feet tall using thorns and tendrils to attach to supports. This deciduous climber produces small greenish flowers in late spring and summer, followed by dark berries that persist into winter. The plant spreads aggressively and can form dense thickets if not managed.

In an HOA neighborhood

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

Works well in: backyard only.

Sharp thorns create safety concerns
Aggressive spreading habit difficult to control
Can look wild and unkempt without constant pruning

Wildlife value

The flowers attract bees and beetles during the growing season. Birds feed on the dark berries in fall and winter, while the dense growth provides nesting habitat and cover.

Common questions

How much sun does Bristly Greenbrier need?: Bristly Greenbrier grows best in part sun conditions.
When does Bristly Greenbrier bloom?: Bristly Greenbrier blooms in May, June, and July.
Where is Bristly Greenbrier native?: Bristly Greenbrier (Smilax tamnoides) is native to AL, AR, CT, DE and 29 more states, per the USDA PLANTS Database and regional native plant society lists.
Is Bristly Greenbrier toxic to dogs?: Bristly Greenbrier is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
Is Bristly Greenbrier toxic to cats?: Bristly Greenbrier is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
What pollinators does Bristly Greenbrier attract?: Bristly Greenbrier draws bees and beetles.
Is Bristly Greenbrier HOA-friendly?: Bristly Greenbrier 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 the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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

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