Rose Willowherb
epilobium roseum
Also known as: ["Willowherb","Rose Fireweed"]
Overview
A herbaceous perennial plant with delicate pink flowers and slender stems, native to temperate regions.
Benefits & Perks
["long-flowering","wildlife attractant (bees, butterflies, birds)","shade tolerant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Myrtales |
| Family: | Onagraceae |
| Genus: | Epilobium |
| Botanical Name: | Epilobium roseum |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: garden bed or container in partial shade
- 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: moderate
- Toughness Level: moderate
- Pruning Frequency: Light pruning can be done anytime; major pruning in late winter or early spring before new growth begins.
- Pruning Intensity: Light to moderate; avoid heavy pruning unless necessary for health or shape.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 4–6 hours daily; can tolerate partial shade, especially in hot climates.
Sunlight Tolerance Tips:
Acclimate gradually to intense light; protect from direct midday sun to avoid scorching; adjust placement based on indoor/outdoor conditions.
Care Requirements
Care Difficulty
easymoderate
Sunlight
partial shade to full sun
Rotate plant for even light exposure; use sheer curtains to filter intense sunlight; avoid sudden light changes.
Watering
every 7–10 days during growing season, reduce in winter
Water deeply but infrequently; ensure good drainage; adjust based on season and growth stage.
Soil
moist, well-drained, slightly acidic to neutral loam
pH: Slightly acidic to neutral (pH 6.0–7.0).
Use a mix of potting soil, perlite, and compost; avoid heavy clay soils; ensure pots have drainage holes.
Temperature
Prefers mild temperatures (15–25°C); tolerates cooler conditions but avoids frost; thrives in moderate humidity.
Avoid sudden temperature fluctuations; protect from drafts; maintain moderate humidity.
Fertilizing
every 4–6 weeks during active growth
Always dilute fertilizer; fertilize during active growth; flush soil occasionally to prevent salt buildup.
Propagation
Methods
Stem cuttings or division; stem cuttings are more common for home growers.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting.
- Remove lower leaves.
- Dip in rooting hormone (optional).
- Plant in moist medium.
- Keep humid and warm.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm, humid environment with indirect light; maintain consistent moisture.
Medium
Well-draining potting mix, such as a mix of peat, perlite, and sand.
Hormone
Optional but recommended for faster rooting.
Timeline
Roots typically form in 2–4 weeks; new growth may take 6–8 weeks.
Tools Needed
Pruning shears, rooting hormone, small pots, misting spray bottle.
Quick Tips
Use healthy, non-flowering stems; maintain high humidity; avoid direct sunlight during rooting.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips for bushier growth; trim leggy stems; remove dead or yellowing leaves.
Pruning Plan
Prune to maintain shape, encourage bushier growth, and remove dead or diseased parts.
Tools
Pruning shears, clean scissors, gloves.
Checklist
Use clean tools; prune dead or damaged parts; shape as desired; dispose of clippings properly.
Repotting Guide
Best Season
Early spring before active growth begins.
Pot Size
Choose a pot one size larger (1–2 inches wider) than the current one.
Method
Remove plant gently; trim roots if necessary; place in a new pot with fresh soil; water lightly after repotting.
Suggestions
Repot every 2–3 years or when roots fill the pot; beneficial for growth and health.
Checklist
Select appropriate pot; prepare new soil mix; handle roots carefully; water after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture before watering; water deeply; ensure drainage; adjust for season.
How to Apply Water Properly
Water at the base of the plant, targeting the root zone; water until it drains from the bottom; avoid wetting foliage to prevent fungal issues; water in the morning for optimal absorption.
Watering Schedule Tips
Water moderately during active growth (spring-summer), allowing soil to dry slightly between waterings; reduce frequency in fall-winter to prevent root rot.
Soil Improvement
Add perlite or sand for drainage; incorporate compost for fertility; ensure aeration with organic matter.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing leaves, or stunted growth in extreme heat or cold; bud drop or leaf drop in stress.
Cold Stress
Growth slows or halts; leaves may turn yellow or brown; risk of frost damage in freezing temperatures.
Solution: Move to a warmer location; protect from drafts; use a heat mat if necessary; avoid overwatering in cold conditions.
Hot Stress
Leaves may wilt, scorch, or drop; growth may slow; soil may dry out too quickly.
Solution: Provide shade during peak heat; increase humidity; water more frequently but avoid waterlogging; ensure good air circulation.
Fertilizing Guide
Fertilizing Checklist
Use balanced fertilizer; dilute properly; fertilize during growing season; avoid over-fertilization.
Fertilizing Method
Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during spring and summer; avoid fertilizing in fall and winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicEpilobium roseum is not considered toxic to cats. It does not produce any known harmful effects when ingested by felines.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Non-toxicEpilobium roseum is not considered toxic to dogs. It does not produce any known harmful effects when ingested by canines.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Non-toxicEpilobium roseum is not considered toxic to humans. It has no known adverse physiological effects when ingested in typical quantities.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Epilobium roseum 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: What are the common problems with Epilobium roseum?
A: Common issues include yellow leaves, wilting, and leaf spots.
Quick Reference
| Family: | Onagraceae |
| Care: | easy |
| Light: | partial shade to full sun |
| Water: | every 7–10 days during growi |
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