North America Native Plant

Golden Spiderflower

Botanical name: Cleome platycarpa

USDA symbol: CLPL

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Golden Spiderflower: A Bright Native Annual for Western Gardens If you’re looking to add a splash of sunshine to your western garden while supporting local wildlife, the golden spiderflower (Cleome platycarpa) might just be the perfect native annual you’ve been searching for. This cheerful wildflower brings both beauty and ecological ...

Golden Spiderflower: A Bright Native Annual for Western Gardens

If you’re looking to add a splash of sunshine to your western garden while supporting local wildlife, the golden spiderflower (Cleome platycarpa) might just be the perfect native annual you’ve been searching for. This cheerful wildflower brings both beauty and ecological value to landscapes across the American West.

What Makes Golden Spiderflower Special?

Golden spiderflower is a true native of the western United States, naturally occurring in California, Idaho, Nevada, and Oregon. As an annual forb, this herbaceous plant completes its entire life cycle in one growing season, making it a dynamic addition to gardens that change from year to year.

What sets this plant apart is its rapid growth rate and cheerful yellow blooms that appear in late spring and continue through summer. Reaching about 2 feet in height, golden spiderflower creates an upright, single-crowned form that adds vertical interest to garden beds without overwhelming smaller companions.

Garden Design and Landscape Role

Golden spiderflower shines in several garden settings:

  • Native plant gardens: Perfect for authentic western landscapes
  • Wildflower meadows: Adds bright color to naturalized areas
  • Xeriscape gardens: Thrives with minimal water once established
  • Pollinator gardens: Supports beneficial insects with its blooms

Its moderate spread rate and high seed production make it excellent for filling in gaps naturally, though it won’t become aggressive or take over your garden.

Growing Conditions and Care

One of the best things about golden spiderflower is how easy it is to please. This drought-tolerant native prefers:

  • Soil: Medium to fine-textured soils with good drainage
  • pH: Adaptable to a wide range (6.5-8.9)
  • Sun exposure: Full sun (shade intolerant)
  • Water needs: Medium moisture use with good drought tolerance
  • Temperature: Needs at least 130 frost-free days

The plant shows high tolerance for alkaline soils and moderate salt tolerance, making it suitable for challenging western growing conditions.

Planting and Propagation

Growing golden spiderflower from seed is straightforward and rewarding:

  • Seeding: Direct sow seeds in spring after last frost
  • Germination: Seeds have high vigor and germinate readily
  • Timing: Plant when soil temperatures reach at least 52°F
  • Spacing: Allow room for 2-foot mature height
  • Maintenance: Very low once established

With approximately 200,000 seeds per pound, a little goes a long way! The plants readily self-seed, so you may find volunteers returning each year.

Wildlife and Pollinator Benefits

As a native wildflower with conspicuous yellow blooms, golden spiderflower likely provides nectar and pollen for native bees, butterflies, and other beneficial insects. The abundant seed production also offers potential food sources for birds later in the season.

Why Choose Golden Spiderflower?

This native annual offers several compelling reasons to include it in your garden:

  • Supports local ecosystems and wildlife
  • Requires minimal water and care
  • Adds bright, cheerful color from late spring through summer
  • Adapts to challenging soil conditions
  • Self-seeds for natural garden renewal

While golden spiderflower may not be commercially available at every nursery, sourcing seeds from native plant societies or specialty suppliers ensures you’re getting authentic regional genetics. This small investment in native flora pays dividends in creating resilient, beautiful landscapes that celebrate the natural heritage of the American West.

Whether you’re creating a new wildflower meadow or adding native touches to existing beds, golden spiderflower brings the perfect combination of low-maintenance beauty and ecological value to western gardens.

How

Golden Spiderflower

Grows

Growing season

Summer

Lifespan
Growth form & shape

Single Crown and Erect

Growth rate

Rapid

Height at 20 years
Maximum height

2.0

Foliage color

Green

Summer foliage density

Porous

Winter foliage density

Porous

Foliage retention

No

Flowering

Yes

Flower color

Yellow

Fruit/seeds

No

Fruit/seed color

Yellow

Allelopath

No

Nitrogen fixing

None

Toxic

None

C:N Ratio

Medium

Fire Resistant

No

Foliage Texture

Medium

Low-growing Grass

No

Resproutability

No

Coppice Ability

No

Bloat

None

Golden Spiderflower

Growing Conditions

Adapted to Coarse Soil

No

Adapted to Medium Soil

Yes

Adapted to Fine Soil

Yes

Anaerobic tolerance

None

CaCO₃ tolerance

High

Cold Stratification

No

Drought tolerance

Medium

Nutrient requirement

Low

Fire tolerance

None

Frost-free days minimum

130

Hedge tolerance

None

Moisture requirement

Medium

pH range

6.5 to 8.9

Plants per acre
Precipitation range (in)

8 to 16

Min root depth (in)

8

Salt tolerance

Medium

Shade tolerance

Intolerant

Min temperature (F)

52

Cultivating

Golden Spiderflower

Flowering season

Late Spring

Commercial availability

No Known Source

Fruit/seed abundance

High

Fruit/seed season

Summer to Summer

Fruit/seed persistence

No

Propagated by bare root

No

Propagated by bulb

No

Propagated by container

No

Propagated by corm

No

Propagated by cuttings

No

Propagated by seed

Yes

Propagated by sod

No

Propagated by sprigs

No

Propagated by tubers

No

Seed per pound

200000

Seed spread rate

Moderate

Seedling vigor

High

Small grain

No

Vegetative spread rate

None

Golden 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 platycarpa Torr. - golden spiderflower

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