How much sun does Clammy Cuphea need?

Clammy Cuphea grows best in full sun conditions.

When does Clammy Cuphea bloom?

Clammy Cuphea blooms in July, August, and September.

Where is Clammy Cuphea native?

Clammy Cuphea (Cuphea viscosissima) is native to AL, AR, CT, DE and 26 more states, per the World Checklist of Vascular Plants (Kew).

What pollinators does Clammy Cuphea attract?

Clammy Cuphea draws bees and butterflies.

Is Clammy Cuphea HOA-friendly?

Clammy Cuphea is generally an HOA-friendly choice in the right placement, with moderate maintenance.

Clammy Cuphea

Name: Pollinator Patch
Author: Pollinator Patch

Cuphea viscosissima

Last reviewed: August 2026

Toxicity unknown

Clammy Cuphea (Cuphea viscosissima) 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

full sun

Water

medium

Size

12"–24" H × 6"–12" W

Bloom

Jul, Aug, Sep

Native to

AL, AR, CT, DE and 26 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

Browse plants for this ecoregion

Eastern Temperate Forests Ozark Highlands Central Irregular Plains Piedmont Northeastern Highlands Northeastern Coastal Zone Middle Atlantic Coastal Plain Northern Piedmont Southeastern Plains Blue Ridge Ridge and Valley Central Appalachians Western Allegheny Plateau Interior Plateau Interior River Valleys and Hills

Clammy cuphea is a native annual wildflower that produces small, tubular purple flowers from July through September. This compact plant grows 12-24 inches tall with a neat, upright habit that fits well in cultivated gardens.

In an HOA neighborhood

Clammy Cuphea is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 4 out of 5.

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

May self-seed and appear weedy if not managed

Wildlife value

The tubular flowers attract both bees and butterflies throughout the summer blooming period. As a native annual, it provides reliable nectar sources during late summer when many other flowers are fading.

Common questions

How much sun does Clammy Cuphea need?: Clammy Cuphea grows best in full sun conditions.
When does Clammy Cuphea bloom?: Clammy Cuphea blooms in July, August, and September.
Where is Clammy Cuphea native?: Clammy Cuphea (Cuphea viscosissima) is native to AL, AR, CT, DE and 26 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Clammy Cuphea attract?: Clammy Cuphea draws bees and butterflies.
Is Clammy Cuphea HOA-friendly?: Clammy Cuphea is generally an HOA-friendly choice in the right placement, with moderate maintenance.

Native range data from the World Checklist of Vascular Plants (Kew). 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

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