
Yarrow Firefly Sunshine
Achillea millefolium 'Firefly Sunshine'
Essentials
At a Glance
Plant Type
Perennial
Height
30 inches
Width
26 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Low
Humidity
Average
Lifespan
Perennial
Native To
Europe and Asia
Toxicity
Toxic to dogs, cats, and horses
The Story
Plant Bio
Achillea millefolium 'Firefly Sunshine' is a hardy perennial with finely divided, fern-like foliage and clusters of bright yellow, daisy-like flowers that bloom from early summer to autumn. This cultivar is distinguished by its vibrant yellow flower heads that provide long-lasting color and attract pollinators, making it an excellent choice for sunny borders and wildflower gardens.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds into well-draining soil in early spring.
- Water regularly until established, then drought tolerant.
- Thin seedlings to prevent overcrowding, after 6 weeks.
- Place in full sun for optimal blooming.
- Fertilize lightly in early spring with balanced fertilizer.
- Divide clumps every 3–4 years in early spring or fall.
Pro Tip
Ensure excellent drainage to prevent root rot and promote healthy growth.
Keep It Thriving
Care Guide
Do
- Water young plants regularly during first season 🌱
- Deadhead spent flowers to encourage more blooms
- Divide every 3–4 years for best vigor
- Plant in full sun for vibrant flowering
Don't
- Overwater, which can cause root rot ❌
- Allow soil to stay soggy
- Use heavy clay soil without amendment
- Neglect deadheading, which reduces flowering
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Yarrow Firefly Sunshine questions
What zones can Yarrow Firefly Sunshine grow in?
Yarrow Firefly Sunshine is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Yarrow Firefly Sunshine deer resistant?
Yes — Yarrow Firefly Sunshine is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Yarrow Firefly Sunshine bloom?
Yarrow Firefly Sunshine 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 Yarrow Firefly Sunshine need full sun?
Yarrow Firefly Sunshine does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Yarrow Firefly Sunshine drought tolerant?
Yes — once established (usually after the first full season), Yarrow Firefly Sunshine handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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