Pacific fireweed
epilobium brachycarpum
Also known as: ["Fireweed","Mountain willowherb"]
Overview
A herbaceous perennial plant native to western North America, known for its tall stems and pinkish-purple flowers that bloom in summer.
Benefits & Perks
["wildlife attractant (bees, butterflies, birds)","drought tolerant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Myrtales |
| Family: | Onagraceae |
| Genus: | Epilobium |
| Botanical Name: | Epilobium brachycarpum |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: outdoor garden bed in a sunny to partially shaded area
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–30°C"}
- Hardiness: {"zones":"5–9"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, loamy soil with added organic matter.
Maintenance Level
- Maintenance Level: low
- Toughness Level: moderate
- Pruning Frequency: Annually in late winter or early spring before new growth begins.
- Pruning Intensity: Moderate; remove up to one-third of old growth to rejuvenate the plant.
Care Details
Ideal Sunlight Coverage:
Full sun (6–8 hours/day); tolerates partial shade in hot climates.
Sunlight Tolerance Tips:
Acclimate gradually to intense sun; protect from harsh afternoon sun in arid regions; ensure adequate airflow to prevent fungal issues.
Care Requirements
Care Difficulty
easymoderate
Sunlight
full sun to partial shade
Morning sun is ideal; rotate plant for even growth; use shade cloth in extreme heat.
Watering
every 7–10 days during active growth, less frequently in dormancy
Water thoroughly but infrequently; ensure good drainage; avoid wetting foliage.
Soil
well-draining, loamy soil with moderate organic content
pH: Slightly acidic to neutral (pH 6.0–7.0).
Ensure soil is not compacted; avoid heavy clay mixes; test pH periodically.
Temperature
Prefers 60–75°F (15–24°C); tolerates cooler nights but avoids frost.
Avoid sudden temperature shifts; protect from frost; ensure good air circulation.
Fertilizing
every 4–6 weeks during growing season with balanced liquid fertilizer
Fertilize sparingly to prevent leggy growth; flush soil occasionally to prevent salt buildup; apply after watering.
Propagation
Methods
Stem cuttings or seed; stem cuttings are faster and more reliable.
Step-by-Step Propagation Guide
- Take 4–6 inch cuttings.
- Remove lower leaves.
- Dip in rooting hormone.
- Plant in medium.
- Maintain humidity.
Best Time: Spring or early summer when growth is vigorous.
Environment
High humidity (70–80%), warm temperatures (65–75°F), indirect light.
Medium
Well-draining mix of peat and perlite or cactus soil.
Hormone
Rooting hormone is recommended for faster root development.
Timeline
Roots develop in 2–4 weeks; establish in new pot within 2–3 months.
Tools Needed
Pruning shears, rooting hormone, small pots, misting spray bottle.
Quick Tips
Use healthy, non-flowering stems; maintain consistent moisture; provide bottom heat for faster rooting.
Pruning & Repotting
Pruning Guide
Method
Cut stems back to a healthy bud or lateral branch; thin out crowded areas.
Pruning Plan
Remove dead or weak stems to improve air circulation and encourage bushier growth.
Tools
Pruning shears, sterilizing solution, gloves.
Checklist
Sterilize tools; prune dead/damaged stems; shape plant; clean up debris.
Repotting Guide
Best Season
Spring, before active growth starts.
Pot Size
Increase pot size by 2–3 inches in diameter.
Method
Remove plant gently; trim roots if needed; place in new pot with fresh soil; water lightly.
Suggestions
Repot every 2–3 years or when roots fill the container; beneficial for growth and health.
Checklist
Choose appropriate pot; prepare fresh soil mix; handle roots carefully; water after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure drainage; avoid wetting leaves.
How to Apply Water Properly
Water at the base of the plant, ensuring moisture reaches the root zone; allow excess water to drain away; water early in the day to minimize evaporation.
Watering Schedule Tips
Water deeply once the top inch of soil is dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or sand for drainage; incorporate compost for fertility; use mulch to retain moisture.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing leaves, or stunted growth in extreme heat or cold.
Cold Stress
Growth slows or halts; may suffer frost damage below 32°F (0°C).
Solution: Provide frost protection in winter; move potted plants indoors; use row covers for garden plants.
Hot Stress
Leaves may scorch, wilt, or drop; growth may stagnate in excessive heat.
Solution: Provide afternoon shade; increase watering; use mulch to retain soil moisture.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; apply during active growth; avoid winter feeding.
Fertilizing Method
Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season; avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Slightly ToxicCats that consume Epilobium brachycarpum may experience mild gastrointestinal irritation. The plant is not highly toxic but can cause mild distress.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Slightly ToxicIn dogs, ingestion of Epilobium brachycarpum may result in mild gastrointestinal upset. The plant is not considered highly toxic but can cause discomfort.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Slightly ToxicEpilobium brachycarpum contains compounds that can cause mild gastrointestinal distress when ingested in significant quantities. The plant's effects are generally not severe but can lead to discomfort.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Epilobium brachycarpum toxic to pets?
A: No, it is non-toxic to dogs and cats.
Q: Does this plant attract wildlife?
A: Yes, it attracts bees, butterflies, and birds.
Q: How much maintenance does this plant require?
A: It requires low maintenance and is drought tolerant.
Quick Reference
| Family: | Onagraceae |
| Care: | easy |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during activ |
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