Chestnut Rose
rosa roxburghii
Also known as: ["Chestnut Rose","Rosa roxburghii Tratt"]
Overview
A deciduous shrub rose known for its prickly stems and large, spiny fruits (hips) that resemble chestnuts.
Benefits & Perks
["aesthetic foliage","wildlife attractant (bees, butterflies, birds)","seasonal color change"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Rosales |
| Family: | Rosaceae |
| Genus: | Rosa |
| Botanical Name: | Rosa roxburghii |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: outdoor garden bed with good air circulation
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–35°C"}
- Hardiness: {"zones":"7–9"}
- 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 like compost.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: Annually in late winter or early spring before new growth starts.
- Pruning Intensity: Moderate, focusing on removing old canes and shaping the plant.
Care Details
Ideal Sunlight Coverage:
Full sun (6–8 hours/day) with some afternoon shade in hot climates. Adjust exposure based on seasonal light intensity.
Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight. Protect from harsh afternoon sun to prevent scorching. Indoors, place near a south-facing window with filtered light.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
full sun to partial shade
Rotate plant for even growth; use sheer curtains to diffuse intense light; monitor for leaf burn.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly until runoff, allow soil to dry slightly between waterings, and avoid overhead watering to prevent fungal issues.
Soil
well-drained, fertile loamy soil
pH: Slightly acidic to neutral (pH 6.0–7.0).
Use raised beds for drainage; avoid heavy clay soils; amend with organic matter annually.
Temperature
Prefers 60–75°F (15–24°C). Tolerates mild frosts but thrives in moderate temperatures. Adjust care for extreme heat or cold.
Protect from frost; provide shade in summer; maintain moderate humidity.
Fertilizing
every 4–6 weeks during spring and summer with balanced liquid fertilizer
Apply fertilizer to moist soil to prevent root burn; stop feeding in fall to prepare for dormancy; flush soil occasionally to prevent salt buildup.
Propagation
Methods
Stem cuttings or hardwood cuttings in late winter or early spring.
Step-by-Step Propagation Guide
- Take 6–8 inch cuttings.
- Remove lower leaves.
- Dip in rooting hormone.
- Plant in medium.
- Maintain humidity.
- Transplant when rooted.
Best Time: Late winter or early spring before active growth begins.
Environment
Warm (70–75°F), high humidity (70–80%), and indirect light.
Medium
Well-draining mix of peat, perlite, and sand. Rooting hormone is recommended.
Hormone
Yes, use rooting hormone to improve success rates.
Timeline
Roots develop in 4–8 weeks; establish in new pot after 3–6 months.
Tools Needed
Pruning shears, rooting hormone, small pots, misting spray bottle, plastic bags for humidity.
Quick Tips
Use healthy, non-flowering stems; maintain consistent moisture; provide bottom heat for faster rooting.
Pruning & Repotting
Pruning Guide
Method
Cut canes back to healthy buds; thin out crowded growth; remove crossing branches.
Pruning Plan
Remove dead or diseased wood annually to improve air circulation and encourage healthy growth.
Tools
Pruning shears, loppers, gloves, disinfectant for tools.
Checklist
Disinfect tools; prune at a 45-degree angle; remove dead/diseased wood; shape for airflow.
Repotting Guide
Best Season
Early spring before active growth begins.
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 thoroughly.
Suggestions
Repot every 2–3 years or when roots fill the container to refresh soil and provide space.
Checklist
Choose appropriate pot; prepare fresh soil mix; inspect roots; water after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture before watering; water deeply; ensure drainage; avoid wetting foliage.
How to Apply Water Properly
Water at the base of the plant, ensuring moisture reaches the root zone. Water early in the morning to minimize evaporation and allow foliage to dry. Ensure excess water drains away to prevent root rot.
Watering Schedule Tips
Water deeply once a week during active growth; reduce frequency to every 2–3 weeks in winter. Adjust based on rainfall and soil moisture.
Soil Improvement
Add perlite or coarse sand for drainage; incorporate compost for fertility; ensure proper aeration.
Temperature Stress Management
Signs of Temperature Issues
Chlorosis, leaf drop, stunted growth, or bud abortion in extreme temperatures.
Cold Stress
Low temperatures slow growth and may cause leaf discoloration or dieback if prolonged below 20°F (-6°C).
Solution: Mulch heavily around the base; move potted plants indoors; use frost cloth for outdoor protection.
Hot Stress
Excessive heat leads to wilting, leaf scorch, and reduced flowering if temperatures exceed 90°F (32°C).
Solution: Provide shade during peak heat; increase watering; use evaporative cooling methods like misting.
Fertilizing Guide
Fertilizing Checklist
Use balanced fertilizer; apply during growing season; avoid over-fertilization; flush soil periodically.
Fertilizing Method
Use balanced, slow-release fertilizer in spring and early summer. Dilute liquid fertilizer to half-strength monthly during active growth. Avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Slightly ToxicSimilar to dogs, the seeds of Rosa roxburghii can be slightly toxic to cats due to the presence of cyanogenic glycosides. The physiological impact is typically mild but can cause gastrointestinal distress.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten in large quantities
Dogs
Slightly ToxicThe seeds of Rosa roxburghii contain cyanogenic glycosides, which can be harmful to dogs if ingested in large amounts. The physiological impact is generally mild but can cause gastrointestinal upset.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten in large quantities
Humans
Non-toxicRosa roxburghii is generally considered non-toxic to humans. However, the seeds contain small amounts of cyanogenic glycosides, which can release cyanide when ingested in large quantities. The physiological impact is minimal under normal consumption.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten in excessive quantities
Frequently Asked Questions
Q: Is Rosa roxburghii suitable for beginners?
A: No, it requires moderate care and is better suited for enthusiasts.
Q: Are the fruits of Rosa roxburghii edible?
A: The hips are edible but should be consumed in moderation due to mild toxicity.
Q: Does Rosa roxburghii attract wildlife?
A: Yes, it attracts bees, butterflies, and birds with its flowers and hips.
Quick Reference
| Family: | Rosaceae |
| Care: | moderate |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during activ |
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