The Story
Plant Bio
Achillea filipendulina, also known as Fern-leaved yarrow, is a perennial herb known for its feathery foliage and flat-topped clusters of yellow flowers.
This species is particularly valued for its drought resistance and long-lasting flowers, making it an excellent choice for prairie and cottage garden styles.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
42 inches
Width
30 inches
Light
Full Sun
Zones
4, 5, 6, 7, 8
Water
Low to moderate
Humidity
Prefers dry to moderate humidity
Lifespan
Perennial
Native To
Central Asia
Toxicity
Toxic to dogs, cats, and horses.
Planting
How to Grow
- Tuck seeds into well-draining soil in early spring for best germination.
- Mist cuttings lightly to maintain humidity during root development.
- Transplant seedlings when they have 2-3 sets of true leaves, typically in late spring.
- Fertilize with a balanced fertilizer in early spring and mid-summer for optimal growth.
- Divide clumps every 3-4 years in early spring or late fall to rejuvenate plants.
- Mulch around plants to conserve moisture and suppress weeds during summer.
Pro Tip
Plant in full sun with well-draining soil for vigorous, long-lasting blooms.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells, especially in first year 🌱
- Prune dead or faded flowers to encourage new blooms
- Apply a balanced fertilizer in early spring for healthy growth
- Divide every 3-4 years to prevent overcrowding
Don't
- Avoid overwatering, which can cause root rot ❌
- Don’t prune in late fall, wait until early spring
- Refrain from planting in heavy, poorly-drained clay soil without amendments
- Don’t neglect to remove spent flowers to promote reblooming
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Harvest | ||||||||||||
| Pest Check | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Fern-leaf Yarrow questions
What zones can Fern-leaf Yarrow grow in?
Fern-leaf Yarrow is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Fern-leaf Yarrow deer resistant?
Yes — Fern-leaf Yarrow is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Fern-leaf Yarrow bloom?
Fern-leaf Yarrow typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Fern-leaf Yarrow need full sun?
Fern-leaf Yarrow does best in full sun (6+ hours).
Is Fern-leaf Yarrow drought tolerant?
Yes — once established (usually after the first full season), Fern-leaf Yarrow handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Achillea to compare

Red Velvet Yarrow
Achillea millefolium 'Red Velvet'

Moonshine Yarrow
Achillea millefolium 'Moonshine'

Sassy Summer Taffy Common Yarrow
Achillea millefolium 'Sassy Summer Taffy'

New Vintage White Common Yarrow
Achillea millefolium 'New Vintage White'

Summer Pastels Yarrow
Achillea millefolium 'Summer Pastels'

Pink Grapefruit Yarrow
Achillea millefolium 'Pink Grapefruit'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Fern-leaf Yarrow with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.

