North America Native Plant

Dwarf Groundsmoke

Botanical name: Gayophytum humile

USDA symbol: GAHU2

Life cycle: annual

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Gayophytum nuttallii Torr. & A. Gray (GANU3)   

Dwarf Groundsmoke: A Delicate Native Annual for Western Gardens If you’re looking for a subtle but charming addition to your native garden, dwarf groundsmoke (Gayophytum humile) might just be the perfect plant you didn’t know you needed. This delicate annual forb may not win any showiest flower contests, but it ...

Dwarf Groundsmoke: A Delicate Native Annual for Western Gardens

If you’re looking for a subtle but charming addition to your native garden, dwarf groundsmoke (Gayophytum humile) might just be the perfect plant you didn’t know you needed. This delicate annual forb may not win any showiest flower contests, but it brings a quiet elegance and important ecological benefits to western landscapes.

What is Dwarf Groundsmoke?

Dwarf groundsmoke is a native annual forb that belongs to the evening primrose family. As a forb, it’s a non-woody plant that grows fresh each year from seed, creating delicate stems topped with tiny white to pale pink flowers. Don’t let its diminutive size fool you – this little plant packs a punch when it comes to supporting local ecosystems.

You might also see this plant listed under its botanical synonym, Gayophytum nuttallii, in older gardening references.

Where Does Dwarf Groundsmoke Grow Naturally?

This charming native calls a impressive swath of western North America home. You’ll find dwarf groundsmoke naturally occurring across ten states and two Canadian provinces: Alberta, British Columbia, California, Idaho, Montana, Nevada, Oregon, Utah, Washington, and Wyoming. It’s truly a plant of both the lower 48 states and Canada, making it a fantastic choice for gardeners throughout much of the western region.

Why Grow Dwarf Groundsmoke?

While dwarf groundsmoke might not be the star of your garden show, it serves several important purposes:

  • Native pollinator support: The small flowers attract native bees and other beneficial insects
  • Low maintenance: Once established, this drought-tolerant native requires minimal care
  • Natural texture: Adds fine, delicate texture to wildflower gardens and natural landscapes
  • Ecological authenticity: Helps create genuine native plant communities
  • Self-sustaining: Self-seeds readily, ensuring it returns year after year

Garden Design and Landscape Role

Dwarf groundsmoke shines in naturalistic settings where its subtle beauty can be appreciated up close. It’s perfect for:

  • Wildflower meadows and prairies
  • Native plant restoration projects
  • Xeriscaping and drought-tolerant gardens
  • Natural edges and transition zones
  • Rock gardens with native themes

Think of it as nature’s filler plant – it weaves between showier natives, adding texture and supporting the overall ecosystem without competing for attention.

Growing Conditions and Care

One of the best things about dwarf groundsmoke is how easy it is to grow, especially if you’re working with western growing conditions:

Sunlight: Prefers full sun to partial shade

Soil: Thrives in well-drained soils; very adaptable to different soil types

Water: Drought tolerant once established; actually prefers drier conditions

Climate: Hardy in USDA zones 4-9

Planting and Care Tips

Growing dwarf groundsmoke is refreshingly straightforward:

  • When to plant: Direct sow seeds in fall or early spring
  • Seed preparation: No special treatment needed – just scatter and lightly rake
  • Watering: Water gently until germination, then reduce as plants establish
  • Maintenance: Virtually none required! Let plants go to seed for next year’s crop
  • Fertilizing: Avoid fertilizers – this native prefers lean soils

Special Considerations

Dwarf groundsmoke has a facultative wetland status in both the Arid West and Western Mountains regions, meaning it can handle both wet and dry conditions. This adaptability makes it particularly valuable for areas with variable moisture levels.

As an annual, don’t expect the same individual plants to return each year. Instead, allow the plants to complete their life cycle and drop seeds for the following season’s generation.

The Bottom Line

If you’re creating a native western garden and want to include plants that truly belong in your local ecosystem, dwarf groundsmoke deserves a spot. While it won’t provide dramatic color or bold architectural interest, it offers something equally valuable: authentic native character and important ecological services. Plus, once you plant it, it essentially takes care of itself – what’s not to love about that?

For gardeners seeking low-maintenance natives that support local wildlife while adding subtle beauty to the landscape, dwarf groundsmoke is a quiet champion worth considering.

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

Arid West

FAC

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

Western Mountains, Valleys, and Coast

FAC

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

Dwarf Groundsmoke

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

Onagraceae Juss. - Evening Primrose family

Genus

Gayophytum A. Juss. - groundsmoke

Species

Gayophytum humile Juss. - dwarf groundsmoke

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