North America Native Plant

Nevin’s Woolly Sunflower

Botanical name: Constancea nevinii

USDA symbol: CONE9

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Eriophyllum nevinii A. Gray (ERNE7)   

Nevin’s Woolly Sunflower: A Rare California Gem Worth Protecting Meet Nevin’s woolly sunflower (Constancea nevinii), a charming little native that’s both a gardener’s delight and a conservation concern. This petite perennial shrub might be small in stature, but it packs a big punch in terms of ecological importance and garden ...

Rare plant alert!

Region: Conservation status by state

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Nevin’s Woolly Sunflower: A Rare California Gem Worth Protecting

Meet Nevin’s woolly sunflower (Constancea nevinii), a charming little native that’s both a gardener’s delight and a conservation concern. This petite perennial shrub might be small in stature, but it packs a big punch in terms of ecological importance and garden appeal. If you’re passionate about rare native plants and want to contribute to conservation efforts, this California endemic deserves a spot on your radar.

What Makes This Plant Special?

Nevin’s woolly sunflower is a true California native, originally described under the synonym Eriophyllum nevinii. This low-growing shrub typically stays under 1.5 feet tall and never exceeds 3 feet at maturity, making it perfect for intimate garden spaces. Its woolly, gray-green foliage provides a lovely textural contrast, while cheerful yellow daisy-like flowers brighten up the landscape during blooming season.

Where It Calls Home

This rare beauty is endemic to California, specifically thriving in coastal Southern California and the Channel Islands. You’ll find it naturally growing in Mediterranean-climate zones along the coast, where it has adapted to the region’s unique growing conditions.

A Word of Caution: Rarity Status

Here’s where things get serious, plant lovers. Nevin’s woolly sunflower carries a Global Conservation Status of S2, meaning it’s considered imperiled. With typically only 6 to 20 occurrences remaining and an estimated 1,000 to 3,000 individuals left in the wild, this plant is fighting for survival. If you’re considering adding it to your garden, please only source it from reputable native plant nurseries that propagate their own stock responsibly – never collect from wild populations.

Garden Appeal and Design Uses

Despite its rarity in the wild, Constancea nevinii can be a fantastic addition to the right garden setting. Here’s why gardeners love it:

  • Perfect for rock gardens and drought-tolerant landscapes
  • Excellent ground cover that stays naturally compact
  • Ideal for Mediterranean-style gardens and xeriscapes
  • Beautiful textural element with its woolly foliage
  • Attracts beneficial pollinators including native bees and butterflies

Growing Conditions and Care

Nevin’s woolly sunflower thrives in USDA hardiness zones 9-11, making it suitable for warm coastal and Mediterranean climates. Here’s what this little survivor needs to flourish:

  • Sunlight: Full sun exposure for best flowering and compact growth
  • Soil: Well-draining soil is absolutely essential – this plant hates wet feet
  • Water: Drought tolerant once established; minimal summer water needed
  • Fertilizer: None needed – it actually prefers lean soils

Planting and Care Tips

Plant your Nevin’s woolly sunflower in fall to give it time to establish before the growing season. Once planted, resist the urge to pamper it too much – this tough little native prefers a hands-off approach. Water regularly during the first year to help establishment, then cut back to minimal supplemental irrigation. A light pruning after flowering will help maintain its tidy appearance.

Conservation Through Cultivation

By growing Nevin’s woolly sunflower in your garden (with responsibly sourced plants, of course), you’re not just adding beauty to your landscape – you’re participating in conservation. Home gardeners play a crucial role in preserving genetic diversity and creating insurance populations of rare plants. Plus, you’ll be supporting the pollinators and wildlife that depend on native plants for survival.

This remarkable little shrub proves that sometimes the rarest treasures come in small packages. With proper care and responsible sourcing, Nevin’s woolly sunflower can thrive in cultivation while contributing to the preservation of California’s unique botanical heritage.

Nevin’s Woolly Sunflower

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

Constancea B.G. Baldw. - woolly sunflower

Species

Constancea nevinii (A. Gray) B.G. Baldw. - Nevin's woolly sunflower

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