Chamaemespilus
sorbus chamaemespilus
Also known as: ["Dwarf Mountain Ash","False Medlar"]
Overview
A small, deciduous shrub native to the mountains of Europe, known for its attractive foliage and small red fruits.
Benefits & Perks
["aesthetic foliage","seasonal color change","wildlife attractant (bees, butterflies, birds)"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Rosales |
| Family: | Rosaceae |
| Genus: | Sorbus |
| Botanical Name: | Sorbus chamaemespilus |
Plant Characteristics
Basic Information
- Category: Shrubs
- Suitable Location: partially shaded garden bed or container with protection from strong winds
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"–15–30°C"}
- Hardiness: {"zones":"4–7"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Moderately well-draining to well-draining.
- Soil Type: Well-draining, loamy soil with organic matter.
Maintenance Level
- Maintenance Level: moderate
- 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 if needed.
Care Details
Ideal Sunlight Coverage:
Bright indirect light or partial shade; 4–6 hours of morning sun or filtered light is ideal. Adjust for stronger sun in summer.
Sunlight Tolerance Tips:
Acclimate gradually to stronger light; protect from harsh afternoon sun; place in dappled shade outdoors.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
partial shade to full sun
Avoid direct midday sun; rotate plant for even growth; use sheer curtains for indoor light.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly but infrequently; ensure proper drainage; adjust based on season and weather.
Soil
well-drained, loamy soil with moderate organic content
pH: Slightly acidic to neutral (pH 6.0–7.0).
Use a mix of potting soil and perlite; avoid heavy clay soils; ensure pots have drainage holes.
Temperature
Prefers cool to moderate temperatures, 50–70°F (10–21°C). Tolerates cooler temperatures but avoid frost.
Avoid sudden temperature changes; protect from drafts; maintain consistent cool conditions.
Fertilizing
every 4–6 weeks during spring and summer
Use a balanced fertilizer; dilute properly; fertilize during active growth only.
Propagation
Methods
Stem cuttings or layering.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting.
- Remove lower leaves.
- Apply rooting hormone.
- Plant in medium.
- Maintain humidity.
Best Time: Late spring or early summer when the plant is actively growing.
Environment
High humidity, indirect light, and consistent warmth around 65–75°F (18–24°C).
Medium
Peat-based mix with perlite or sand for good drainage.
Hormone
Rooting hormone is recommended to improve success rates.
Timeline
Roots may develop in 4–8 weeks; establish in new pot after 3–6 months.
Tools Needed
Pruning shears, rooting hormone, small pots, plastic bags or propagator.
Quick Tips
Use healthy, non-flowering stems; keep consistently moist; provide bottom heat if possible.
Pruning & Repotting
Pruning Guide
Method
Selective thinning and heading back to encourage branching.
Pruning Plan
Prune to maintain shape, encourage bushiness, and remove dead or weak growth.
Tools
Pruning shears, sterilized scissors.
Checklist
Sterilize tools; prune dead/damaged growth; shape plant; clean up debris.
Repotting Guide
Best Season
Early spring before active growth starts.
Pot Size
Move to a pot one size larger (1–2 inches in diameter) with drainage holes.
Method
Remove plant gently; trim roots if crowded; use fresh soil mix; ensure good drainage.
Suggestions
Repot every 2–3 years or when roots fill the pot to refresh soil and provide space.
Checklist
Check root bound status; prepare new pot; use fresh soil; water after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure drainage; adjust seasonally.
How to Apply Water Properly
Water deeply at the root zone until water drains from the bottom, avoiding wetting the foliage. Water in the morning to allow foliage to dry during the day.
Watering Schedule Tips
Water regularly during spring and summer, allowing the top inch of soil to dry between waterings. Reduce frequency in fall and winter to prevent root rot.
Soil Improvement
Add perlite or sand for drainage; incorporate compost for fertility; ensure good aeration.
Temperature Stress Management
Signs of Temperature Issues
Leaf scorch in excessive heat; leaf drop or stunted growth in cold stress.
Cold Stress
Slows growth; may cause leaf discoloration or dieback if exposed to freezing temperatures.
Solution: Protect from frost; move indoors in winter; provide a sheltered location outdoors.
Hot Stress
Wilting, leaf scorch, or reduced flowering due to excessive heat and dry conditions.
Solution: Provide shade; increase humidity; water more frequently but avoid waterlogging.
Fertilizing Guide
Fertilizing Checklist
Check season; use diluted fertilizer; apply to moist soil; avoid contact with foliage.
Fertilizing Method
Use a balanced, water-soluble 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
Slightly ToxicThe berries of Sorbus chamaemespilus may cause mild gastrointestinal distress in cats due to their cyanogenic glycoside content. Cats are more sensitive to certain toxins, so ingestion should be taken seriously.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Slightly ToxicThe berries of Sorbus chamaemespilus can cause mild gastrointestinal upset in dogs due to the presence of cyanogenic glycosides. While generally not life-threatening, ingestion should be monitored.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Slightly ToxicThe berries of Sorbus chamaemespilus contain small amounts of cyanogenic glycosides, which can release cyanide upon digestion. Ingestion may lead to mild gastrointestinal discomfort and other systemic effects in sensitive individuals.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Sorbus chamaemespilus suitable for small gardens?
A: Yes, it is a compact shrub that fits well in small garden spaces.
Q: Does this plant require full sun?
A: It prefers partial shade to full sun, making it adaptable to various light conditions.
Q: Are the fruits of Sorbus chamaemespilus edible?
A: The fruits are not typically consumed by humans but are enjoyed by wildlife.
Quick Reference
| Family: | Rosaceae |
| Care: | moderate |
| Light: | partial shade to full sun |
| Water: | every 7–10 days during activ |
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