Mountain Fleece 'Firetail'
Persicaria amplexicaulis 'Firetail'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
40 inches
Width
40 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
High
Humidity
Average
Lifespan
Perennial
Native To
Asia
Toxicity
Non-toxic
The Story
Plant Bio
Persicaria amplexicaulis, or mountain fleece, is a vigorous, clump-forming perennial with large, ovate leaves and long, thin, upright spikes of tiny flowers. A popular cultivar prized for its long season of bloom, featuring numerous slender, tapering spikes of brilliant crimson-red flowers from summer to fall.
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into moist soil in early spring for best germination.
- Mist cuttings regularly to maintain humidity and promote rooting.
- Transplant seedlings when they are 4-6 inches tall into well-drained soil.
- Divide mature plants every 2-3 years to encourage growth and prevent overcrowding.
- Apply mulch around plants to retain moisture and suppress weeds.
- Water consistently during dry spells to keep soil evenly moist.
Pro Tip
Ensure good air circulation to prevent fungal diseases and keep plants healthy.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist but not waterlogged 🌱
- Provide full sun for optimal flowering
- Mulch to conserve moisture and regulate soil temperature
- Prune spent flowers to encourage new blooms
Don't
- Avoid overwatering, which can cause root rot ❌
- Do not plant in heavy, poorly-drained clay soil
- Refrain from excessive fertilizing during late fall
- Avoid overcrowding to ensure good air flow
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Mulch | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup |
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
Mountain Fleece 'Firetail' questions
What zones can Mountain Fleece 'Firetail' grow in?
Mountain Fleece 'Firetail' 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 Mountain Fleece 'Firetail' deer resistant?
Yes — Mountain Fleece 'Firetail' is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Mountain Fleece 'Firetail' bloom?
Mountain Fleece 'Firetail' typically blooms in mid-summer to fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Mountain Fleece 'Firetail' need full sun?
Mountain Fleece 'Firetail' does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Persicaria to compare
Mountain Fleece Chinese Fleeceflower
Persicaria amplexicaulis
Taurus Mountain Fleece
Persicaria amplexicaulis 'Taurus'
Giant Fleeceflower
Persicaria polymorpha
White Mountain Knotweed
Persicaria amplexicaulis 'Alba'
Common Bistort
Persicaria bistorta 'Superba'
Rosea Mountain Fleece
Persicaria amplexicaulis 'Rosea'
Keep exploring
Explore the genus
Collections featuring this plant
Hardy in your zone?
Grow Mountain Fleece 'Firetail' 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.
