Blue Waxweed
Cuphea viscosissima
Found in dry or wet places, especially over mafic or calcareous rocks. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Virginia. How scores work Is it native here?
Profile 94%
- Height
- Up to about 1.5 feet
- Spread
- 9 inches–1.5 feet
- Light
- Partial shade, Full sun
- Soil moisture
- Dry to moist
Space about 1 ft apart from its recorded spread, about 100 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?
At a glance
- Life cycle
- Annual
- Bloom
- July to October
Not yet recorded · Leaves
Recorded in 64 Virginia counties.
Who uses this plant?
1CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Cuphea
- Ozarba aeriaAerial Brown
12BeesSoutheastern regional records
Southeastern regional records · Cuphea
Individual names are not available yet.
Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Lythraceae
- Hardiness
- Zones 6–9
- Flower color
- Red or purple
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “July to October” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Flower color · “Red or purple” · Lady Bird Johnson Wildflower Center
- Hardiness · “Zones 6–9” · Missouri Botanical Garden Plant Finder
- Height · “Up to about 1.5 feet” · Lady Bird Johnson Wildflower Center (ranked first; Missouri Botanical Garden Plant Finder differs)
- Life cycle · “Annual” · Lady Bird Johnson Wildflower Center
- Light · “Partial shade; Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Spread · “9 inches–1.5 feet” · Missouri Botanical Garden Plant Finder
Also known as
Clammy Cuphea
Conservation status
| Virginia rank | S5 |
|---|---|
| Global rank | G5? |
| VA status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- FloraQuest: Carolinas, Georgia (Weakley), phone app (app page)
- NatureServe Explorer
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

