North America Native Plant

Prickly Spiderflower

Botanical name: Cleome aculeata

USDA symbol: CLAC4

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states âš˜ Native to Puerto Rico âš˜ Native to the U.S. Virgin Islands  

Synonyms: Hemiscola aculeata (L.) Raf. (HEAC2)   

Prickly Spiderflower: A Charming Native Annual for Southern Gardens If you’re looking for a native wildflower that’s both beautiful and easy to grow, meet the prickly spiderflower (Cleome aculeata). This delightful annual brings a touch of wild elegance to gardens with its distinctive spider-like blooms and carefree growing habits. Don’t ...

Prickly Spiderflower: A Charming Native Annual for Southern Gardens

If you’re looking for a native wildflower that’s both beautiful and easy to grow, meet the prickly spiderflower (Cleome aculeata). This delightful annual brings a touch of wild elegance to gardens with its distinctive spider-like blooms and carefree growing habits. Don’t let the prickly name scare you away – this charming plant has so much more to offer than its thorny reputation might suggest!

What Makes Prickly Spiderflower Special

Prickly spiderflower is a true native gem, naturally occurring in Alabama, Texas, Puerto Rico, and the U.S. Virgin Islands. As an annual forb (that’s gardening speak for a non-woody flowering plant), it completes its entire life cycle in one growing season, but what a show it puts on during that time!

The plant gets its common name from two distinctive features: the small thorns along its stems and the spider-like appearance of its flowers. Each bloom showcases long, protruding stamens that create an almost whimsical, delicate look despite the plant’s tough nature.

Garden Appeal and Design Role

Prickly spiderflower shines in naturalized settings and wildflower gardens where its informal charm can really take center stage. The small pink to white flowers appear in terminal clusters, creating lovely focal points that work beautifully in:

  • Prairie-style gardens
  • Wildflower meadows
  • Cottage garden borders
  • Native plant landscapes
  • Annual cutting gardens

This adaptable plant has a facultative wetland status, meaning it’s equally happy in both wet and dry conditions – a trait that makes it incredibly versatile for different garden situations.

Pollinator and Wildlife Benefits

Your garden’s buzzing residents will thank you for adding prickly spiderflower to the mix. The blooms are excellent pollinator magnets, attracting bees, butterflies, and other beneficial insects throughout the growing season. This makes it an excellent choice for anyone looking to create a more wildlife-friendly landscape.

Growing Conditions and Care

One of the best things about prickly spiderflower is how low-maintenance it is once you understand its preferences. Here’s what this easy-going native needs to thrive:

  • Sunlight: Full sun for best flowering
  • Soil: Well-draining soil, adaptable to various soil types
  • Water: Drought tolerant once established, but appreciates occasional watering during dry spells
  • Climate: Best suited for USDA zones 8-11, matching its natural range

Planting and Care Tips

Getting started with prickly spiderflower couldn’t be easier. Since it’s an annual, you’ll be working with seeds rather than transplants:

  • Direct seed in spring after the last frost date
  • Scatter seeds lightly and barely cover with soil
  • Keep soil moist until germination occurs
  • Once established, minimal care is needed
  • Allow some plants to go to seed for natural reseeding

The beauty of this plant lies in its ability to self-seed readily, meaning you may find delightful surprises popping up in your garden year after year with minimal effort on your part.

Is Prickly Spiderflower Right for Your Garden?

If you garden in the southeastern United States or other warm climates, prickly spiderflower could be a wonderful addition to your native plant palette. It’s particularly perfect for gardeners who:

  • Want to support local wildlife and pollinators
  • Prefer low-maintenance plants
  • Are creating naturalized or wildflower areas
  • Appreciate unique, conversation-starting flowers
  • Are interested in preserving regional native plant heritage

Keep in mind that this plant is best suited for its native range. If you’re gardening outside of Alabama, Texas, Puerto Rico, or the Virgin Islands, you might want to explore other native Cleome species or similar wildflowers that are indigenous to your specific region.

Prickly spiderflower proves that native doesn’t have to mean boring. With its charming flowers, easy-care nature, and valuable wildlife benefits, it’s a delightful way to add both beauty and ecological value to your garden – thorns and all!

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Atlantic and Gulf Coastal Plain

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Caribbean

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Great Plains

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Prickly Spiderflower

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Capparaceae Juss. - Caper family

Genus

Cleome L. - spiderflower

Species

Cleome aculeata L. - prickly spiderflower

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