North America Native Plant

Camphorweed

Botanical name: Heterotheca subaxillaris

USDA symbol: HESU3

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Chrysopsis scabra (Pursh) Elliott (CHSC6)  âš˜  Heterotheca lamarckii Cass. (HELA20)  âš˜  Heterotheca latifolia Buckley (HELA5)  âš˜  Heterotheca latifolia Buckley var. arkansana Wagenkn. (HELAA)  âš˜  Heterotheca latifolia Buckley var. macgregoris Wagenkn. (HELAM)  âš˜  Heterotheca psammophila Wagenkn. (HEPS)  âš˜  Heterotheca scabra (Pursh) DC. (HESC11)  âš˜  Heterotheca subaxillaris (Lam.) Britton & Rusby var. latifolia (Buckley) Gandhi & R.D. Thomas (HESUL)  âš˜  Heterotheca subaxillaris (Lam.) Britton & Rusby var. petiolaris Benke (HESUP)  âš˜  Heterotheca subaxillaris (Lam.) Britton & Rusby var. psammophila (Wagenkn.) Gandhi (HESUP2)  âš˜  Heterotheca subaxillaris (Lam.) Britton & Rusby var. procumbens Wagenkn. (HESUP3)   

Camphorweed: A Cheerful Native Wildflower for Low-Maintenance Gardens If you’re looking for a native wildflower that practically grows itself while providing late-season color and pollinator support, camphorweed (Heterotheca subaxillaris) might just be your new garden friend. This unassuming annual forb may not win any beauty contests, but it’s got personality ...

Camphorweed: A Cheerful Native Wildflower for Low-Maintenance Gardens

If you’re looking for a native wildflower that practically grows itself while providing late-season color and pollinator support, camphorweed (Heterotheca subaxillaris) might just be your new garden friend. This unassuming annual forb may not win any beauty contests, but it’s got personality and practicality in spades.

What is Camphorweed?

Camphorweed is a native annual forb that belongs to the sunflower family. As a forb, it’s essentially a non-woody flowering plant that completes its entire life cycle in one growing season. Don’t let the somewhat medicinal-sounding name fool you – this little wildflower has been quietly doing its job across American landscapes for centuries.

Where Does Camphorweed Call Home?

This adaptable native has one of the most impressive geographic ranges you’ll find in North American wildflowers. Camphorweed naturally occurs across most of the lower 48 states, from Alabama and Florida in the southeast, all the way to California and Nevada in the west, and north to states like New York, Pennsylvania, and even Colorado. Its wide distribution speaks to its remarkable adaptability and resilience.

Why Consider Growing Camphorweed?

Here’s where camphorweed really shines – it’s the definition of a low-maintenance garden companion. This native annual produces small, bright yellow daisy-like flowers that bloom from late summer through fall, providing crucial nectar when many other flowers have called it quits for the season. While it may not be the showstopper of your garden, it fills important ecological niches.

Camphorweed thrives in USDA hardiness zones 4-10, making it suitable for most American gardens. It’s particularly valuable for:

  • Naturalized and prairie-style gardens
  • Pollinator gardens needing late-season blooms
  • Disturbed or challenging soil areas
  • Low-maintenance landscape designs
  • Wildflower meadow plantings

Wildlife and Pollinator Benefits

While camphorweed may only provide a small percentage of some birds’ diets and limited cover, it makes up for this with its pollinator appeal. The late-season yellow flowers attract bees, butterflies, and other beneficial insects when nectar sources become scarce in fall. This timing is particularly valuable for migrating butterflies and late-active native bee species.

Growing Conditions and Care

One of camphorweed’s greatest assets is its ability to thrive where other plants struggle. This tough little native prefers full sun and actually performs well in poor soils – meaning you don’t need to fuss with soil amendments or fertilizers. Once established, it’s quite drought tolerant, making it perfect for xeriscaping or low-water gardens.

The plant readily self-seeds, which can be both a blessing and something to manage. In ideal conditions, it can be quite enthusiastic about spreading, so keep this in mind when choosing placement in more formal garden settings.

Planting and Care Tips

Growing camphorweed is refreshingly straightforward:

  • Direct seed in spring after the last frost
  • Scatter seeds on prepared soil surface – they need light to germinate
  • Water lightly until germination occurs
  • Once established, minimal watering needed
  • No fertilization required – it actually prefers lean soils
  • Allow some plants to go to seed for next year’s display
  • Can self-seed aggressively, so deadhead if you want to control spread

Is Camphorweed Right for Your Garden?

Camphorweed is ideal if you’re looking to support native ecosystems with minimal effort. It’s perfect for gardeners who appreciate the beauty of naturalized spaces and want to provide late-season pollinator habitat. However, if you prefer highly controlled, formal garden designs, you might want to consider other native options or be prepared to manage its self-seeding tendencies.

This humble native proves that sometimes the best garden plants are the ones that ask for very little while giving back to local wildlife. In a world where many of us are looking for sustainable, low-maintenance gardening solutions, camphorweed deserves a closer look as a valuable addition to diverse native plant communities.

Wildlife Status

Want to attract wildlife or keep hungry critters away from your garden? Understanding the relationship between plants and wildlife is key. While plant tags may indicate deer and rabbit resistance, they don't tell the full story. Every gardener has experienced the disappointment of purchasing "deer-resistant" plants only to find them nibbled to the ground!

The extent to which plants are resistant to animal browsing is a matter of degree. Likewise, the extent to which a plant attracts wanted visitors also varies. Whether you want a garden full or free of wildlife, learning about interactions between a plant and wild animals can help you make smarter choices for the garden you desire.

As shown below Shrubby Indian Mallow isn't a large food source for animals or birds. You can confidently add this plant to your garden and rest assured knowing it's unlikely to be devoured by four-legged visitors.

Small animals

not a food source

not a source of cover

Large animals

not a food source

not a source of cover

Terrestrial birds

2-5% of diet

Sparsely used as cover

Water birds

not a food source

not a source of cover

Sources:

Miller, J.H., and K.V. Miller. 1999. Forest plants of the southeast and their wildlife uses. Southern Weed Science Society.

Camphorweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Heterotheca Cass. - false goldenaster

Species

Heterotheca subaxillaris (Lam.) Britton & Rusby - camphorweed

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