How to Grow Howell's Pussytoes
iNaturalist
Howell's Pussytoes
Antennaria howellii
flowerHowell's Pussytoes is a delicate alpine and subalpine wildflower native to the western United States, characterized by dense clusters of tiny woolly flower heads that resemble cat's paws. It forms low mats of silvery-green foliage and produces distinctive pink or white flower clusters in late spring to early summer. This hardy perennial is excellent for rock gardens, alpine troughs, and drought-tolerant landscapes.
When should you plant Howell's Pussytoes 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 Howell's Pussytoes timeline · Pittsburgh, PA (Zone 6b)
-
Plant Howell's Pussytoes
Around Apr 17Near Pittsburgh's average last spring frost.
-
Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
-
First Howell's Pussytoes blooms
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Howell's Pussytoes dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 2-7; prefers cooler climates and higher elevations
Sign up free to see if Howell's Pussytoes grows in your zone — and get a personalized planting timeline.
Get my Howell's Pussytoes timeline →Growth Stages
Germination & Seedling
2-4 weeks germination; 4-6 weeks to true leavesTiny seedlings emerge with fine, silvery foliage. Growth is slow in the first year.
Keep soil lightly moist but never waterlogged. Provide bright light and good air circulation. Do not cover seeds—light is essential for germination. Cold stratification (30 days) improves germination rates.
Vegetative (Year 1)
3-4 monthsPlant develops a basal rosette of narrow, silvery-gray leaves in a tight mat formation.
Minimal fertilizer needed; this is a lean-soil plant. Ensure excellent drainage. Reduce watering in winter months. Do not allow water to sit on foliage.
Rosette Maturation (Year 2)
6-8 weeks before floweringDense mat of silvery foliage becomes well-established. Plant reaches full size (2-4 inches tall).
May produce flowers by late spring. Continue strict drainage protocols. No fertilizer required. Mulch with gravel rather than organic material.
Flowering
4-6 weeks (May-July depending on elevation and zone)Woolly flower clusters (capitula) emerge on short stems above the foliage mat. Pink or white fuzzy flower heads resemble miniature cat's paws; often produced in clusters.
Do not overwater during flowering. Deadhead spent flowers to encourage continued blooming and prevent excessive self-seeding. Flowers last 4-6 weeks.
Seed Production & Dormancy
6-8 weeks; extends through winter dormancyFlowers fade and produce tiny seeds with pappus (hair-like structures). Plant enters dormancy, foliage may fade slightly.
Allow some flowers to go to seed for natural propagation or collect seed for next season. Stop watering in fall/winter; plant needs a dry dormancy period. Protect from excessive winter moisture with raised beds or alpine house.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
-
Prevent through excellent drainage and minimal watering. Avoid wetting foliage. Use well-draining soil with gravel amendment. In severe cases, replant in fresh, dry soil.
-
Improve air circulation, avoid overhead watering, and remove affected foliage. Fungicides rarely necessary if growing conditions are optimized.
-
Rare but may occur in very dry conditions. Spray with water or use sulfur dust if population becomes problematic.
Uses
Dried Flower Arrangements
CraftAntennaria flowers dry beautifully and retain their shape and color for years, making them ideal for dried bouquets, wreaths, and everlasting floral arrangements. [source]
Pollinator Support
WildlifeThe fuzzy flower clusters attract native bees, butterflies, and other beneficial insects, providing pollen and nectar in early summer when these resources are limited. [source]
Alpine & Rock Garden Landscaping
HouseholdIts low-growing mat form, silvery foliage, and alpine habitat requirements make it perfect for rock gardens, alpine troughs, crevice gardens, and xeriscape designs. [source]
Traditional Herbal Uses
MedicinalAntennaria species have been used in traditional herbal medicine for respiratory conditions, digestion, and as a diaphoretic. Modern herbal practitioners value it for immune support. [source]
Herbal Tea
CulinaryThe dried aerial parts can be steeped into a mild, slightly bitter herbal tea traditionally used to support respiratory and digestive health. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Antennaria is not harvested in the traditional sense, but seeds can be collected when flower heads dry and begin to release. Collect seed heads in mid to late summer before they fully disperse, dry them completely, and extract seeds. Use fresh seed or store in cool, dry conditions. Cut flowers can be harvested for dried arrangements when in full flower—they dry well and retain their fuzzy texture indefinitely.
Fun Facts
- 🌱 Antennaria howellii is predominantly dioecious, meaning individual plants produce either male or female flowers. Female plants (which bear seed) are more commonly cultivated.
- 🌱 The common name 'Pussytoes' derives from the flower clusters' resemblance to a cat's paw, and the woolly appearance of the flowers comes from specialized hair-like structures called pappus that aid in seed dispersal.
- 🌱 This species is endemic to high elevations in the Pacific Northwest and Rocky Mountains, naturally occurring at 5,000-10,000+ feet where it thrives in harsh alpine conditions with intense UV exposure, cold winters, and minimal water availability.
Gardening Terms
New to gardening? Learn about terms used in this guide:
Join 30,000 gardeners planning their gardens with LizPlants.
Get your personalized Howell's Pussytoes planting timeline
Tell us your zip code and we'll calculate exactly when to start Howell's Pussytoes seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.
Get my Howell's Pussytoes timeline →