North America Native Plant

Blue Waxweed

Botanical name: Cuphea viscosissima

USDA symbol: CUVI

Life cycle: annual

Habit: forb

Native status: Non-native, reproduces and persists in the wild in Canada âš˜ Native to the lower 48 states  

Synonyms: Cuphea petiolata (L.) Koehne (CUPE4)  âš˜  Parsonsia petiolata (L.) Rusby (PAPE9)   

Blue Waxweed: A Tiny Native Wildflower Worth Getting to Know If you’re looking to add some understated charm to your native plant garden, blue waxweed (Cuphea viscosissima) might just be the perfect little annual you never knew you needed. This petite wildflower may not win any showstopper awards, but it ...

Rare plant alert!

Region: New Jersey

Status: Highlands Listed, S3: New Jersey Highlands region ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Blue Waxweed: A Tiny Native Wildflower Worth Getting to Know

If you’re looking to add some understated charm to your native plant garden, blue waxweed (Cuphea viscosissima) might just be the perfect little annual you never knew you needed. This petite wildflower may not win any showstopper awards, but it brings its own quiet appeal to naturalized landscapes and meadow gardens.

What is Blue Waxweed?

Blue waxweed is a native annual forb that belongs to the diverse world of non-woody herbaceous plants. As an annual, it completes its entire life cycle in just one growing season, but don’t let that fool you into thinking it’s not worth planting. This little plant has a knack for self-seeding and can establish lovely naturalized populations when conditions are right.

You might also encounter this plant listed under its botanical synonyms Cuphea petiolata or Parsonsia petiolata in older reference materials, but Cuphea viscosissima is the current accepted name.

Where Does Blue Waxweed Call Home?

This charming native has quite an impressive range across the eastern and central United States. You’ll find blue waxweed growing naturally from Alabama and Florida in the south, stretching north through the Carolinas and up into states like Massachusetts and Vermont. It also extends westward into the Great Plains, reaching states like Kansas, Nebraska, and Oklahoma. The plant has also naturalized in Ontario, Canada, where it’s considered a non-native species that reproduces on its own.

A Word About Rarity

Here’s something important to know: blue waxweed isn’t common everywhere within its native range. In New Jersey, for instance, it carries a rarity status of S3, meaning it’s uncommon and potentially vulnerable. If you’re interested in growing this plant, please make sure to source seeds or plants from reputable native plant nurseries that use responsibly collected material. Never collect seeds from wild populations, especially in areas where the plant might be rare.

Growing Blue Waxweed in Your Garden

One of the appealing aspects of blue waxweed is its adaptability. This plant has a facultative relationship with moisture, meaning it can handle both wetland and upland conditions. Depending on your region, it might lean slightly more toward drier sites (particularly in the Midwest and Northeast) or be equally happy in various moisture conditions.

Garden Design and Landscaping Uses

Blue waxweed works beautifully in:

  • Native wildflower meadows
  • Naturalized garden areas
  • Restoration projects
  • Mixed native plant borders
  • Areas where you want low-maintenance, self-seeding annuals

While it may not be the star of your garden show, blue waxweed serves as an excellent supporting player, filling in gaps and adding texture to more prominent native plantings.

Wildlife and Pollinator Benefits

Like many native wildflowers, blue waxweed provides value to local ecosystems. Its small flowers attract various pollinators, including native bees and butterflies. The plant also produces seeds that can provide food for birds and small mammals. By including plants like blue waxweed in your landscape, you’re supporting the complex web of native wildlife relationships that have evolved over thousands of years.

Should You Plant Blue Waxweed?

If you’re creating a native plant garden or working on habitat restoration within blue waxweed’s natural range, this little annual can be a valuable addition. It’s particularly suitable for gardeners who appreciate the subtle beauty of native wildflowers and want to support local ecosystems. Just remember to source your plants or seeds responsibly, especially given its rarity in some areas.

The main considerations are whether you have appropriate space for a naturalizing annual and whether you’re committed to using native plants in your landscape design. Blue waxweed isn’t going to give you the dramatic impact of showier garden plants, but it will provide authentic native character and ecological value.

The Bottom Line

Blue waxweed represents the kind of humble native plant that forms the backbone of healthy native ecosystems. While it might not grab attention like flashier garden favorites, it offers genuine ecological benefits and quiet natural beauty. For gardeners interested in authentic native landscaping and supporting local wildlife, blue waxweed deserves consideration—just make sure you’re getting it from responsible sources that help preserve wild populations rather than threaten them.

Blue Waxweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Myrtales

Family

Lythraceae J. St.-Hil. - Loosestrife family

Genus

Cuphea P. Br. - waxweed

Species

Cuphea viscosissima Jacq. - blue waxweed

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA