How to Grow Woolly Sunflower
iNaturalist
Woolly Sunflower
Eriophyllum lanatum
flowerWoolly sunflower is a native California wildflower characterized by soft, silver-gray woolly foliage and bright golden-yellow daisy-like flowers. It is a drought-tolerant perennial that attracts pollinators and thrives in well-drained, sunny locations. This low-maintenance plant is ideal for xeriscaping, native gardens, and rocky landscapes.
When should you plant Woolly Sunflower in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Woolly Sunflower timeline · Pittsburgh, PA (Zone 6b)
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Plant Woolly Sunflower
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Woolly Sunflower blooms
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Woolly Sunflower dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-10, best in zones 5-9
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Get my Woolly Sunflower timeline →Growth Stages
Seedling
2-3 weeksTiny silvery-gray cotyledons emerge; plants develop their characteristic woolly foliage early
Keep soil barely moist until established. Provide bright light. Thin seedlings to proper spacing to reduce competition.
Vegetative Growth
6-8 weeksPlant develops a compact, mounded rosette of soft woolly gray-green leaves; no flowers yet
Allow soil to dry somewhat between waterings. Ensure excellent drainage to prevent root rot. No fertilizer needed.
Bud Formation
2-3 weeksFlower buds begin appearing at the base of leaf clusters; stems start to elongate
Reduce watering frequency. Full sun is critical for bud development. Avoid nitrogen-heavy fertilizers.
Flowering
6-10 weeks or longer with deadheadingBright golden-yellow, daisy-like flowers bloom on thin stems above the silvery foliage mound
Continue minimal watering. Deadhead spent flowers to encourage prolonged blooming. Bees and butterflies will visit frequently.
Seed Set & Dormancy
Ongoing through fall and winterFlowers fade and go to seed; plant may go semi-dormant in hot summers or remain semi-evergreen through winter
Allow some flowers to set seed for self-sowing or collect seeds. Cut back dead stems in spring. Minimal water needed.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Ensure excellent air circulation. Avoid overhead watering. Remove affected foliage. Fungicide spray if severe.
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Prevent through excellent drainage and minimal watering. Do not amend soil with heavy organics. Remove and discard infected plants.
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Spray with strong water stream or insecticidal soap. Rarely a serious issue on established plants.
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Increase humidity slightly and spray with water. Use miticide if population is severe.
Uses
Edible Flowers
CulinaryWoolly sunflower petals are edible with a slightly sweet, mild flavor and can be used as garnish in salads, desserts, and herbal teas. [source]
Traditional Herbal Use
MedicinalNative Americans used woolly sunflower preparations as a remedy for wounds and skin irritations, though modern clinical evidence is limited. [source]
Pollinator Support
WildlifeFlowers attract bees, butterflies, and other beneficial insects, making it excellent for pollinator gardens and supporting native insect populations. [source]
Xeriscaping & Native Gardens
HouseholdLow water needs, drought tolerance, and native range make it ideal for water-wise landscapes, California native gardens, and ornamental dry borders. [source]
Dried Flowers
CraftFlowers and seed heads dry beautifully and can be used in dried arrangements, wreaths, and botanical crafts. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest flowers for fresh bouquets when fully open, typically mid-morning after dew dries. For seed collection, allow flowers to dry on the plant, then collect seed heads when papery and brown. Deadhead regularly to extend blooming season through summer.
Fun Facts
- 🌱 Woolly sunflower's scientific name 'lanatum' means 'woolly' in Latin, referring to its distinctly fuzzy silvery foliage that helps it survive drought by reducing water loss.
- 🌱 The plant's woolly coating acts as a natural sunscreen and insulator, protecting it from intense UV radiation and heat stress in its native California chaparral habitat.
- 🌱 Woolly sunflower was used medicinally by indigenous Californian tribes long before European contact and remains popular in modern native plant restoration projects.
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