Dog Rose
Rosa canina · Dog-roseUSDA | Grow Zone
3-9Outdoors all year in zones 3 to 9. Anywhere colder, keep it as a houseplant.
- Light
- Full sun, 6-8 hours
- Water
- Every 1-2 weeks
- Humidity
- 40-60%
- Temperature
- 60-75°F
- Difficulty
- Beginner
- Growth
- Moderate
- Mature size
- 6-10 ft tall
Rosa canina, commonly known as Dog Rose, is a hardy shrub native to Europe and Asia, valued for its fragrant blooms and edible hips. This versatile plant is perfect for gardens, attracting pollinators while providing beautiful foliage and flowers.
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Ideal temperature
60-75°F is where it grows fastest.
Spacing and harvest
- Mature size
- 6-10 ft tall
- Plant apart
- 48-72 in
- Frost
- Hardy: survives frost
Everything it needs
9 essentials at a glance
Watering
Rosa canina prefers well-drained soil and should be watered deeply but infrequently.
Water the plant every 1-2 weeks during the growing season, allowing the top inch of soil to dry out between waterings. In the winter, reduce watering to once a month. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause wilting and browning leaf edges.
Light
This plant thrives in full sun, requiring at least 6-8 hours of direct sunlight daily.
Ideal placements include south-facing gardens or areas with bright, filtered light. While it can tolerate partial shade, reduced sunlight can lead to leggy growth and fewer blooms.
Soil
Rosa canina prefers sandy loam or loamy soil with a pH range of 6.0 to 7.0.
The soil should be well-draining to prevent root rot, and a recommended potting mix includes a blend of peat, perlite, and compost to enhance drainage and nutrient retention.
Humidity
This plant thrives in moderate humidity levels, ideally between 40-60%.
To increase humidity, mist the leaves regularly or place a humidity tray nearby. Signs of humidity stress include browning leaf tips and leaf drop.
Temperature
Rosa canina prefers a temperature range of 60-75°F (15-24°C) and is hardy in zones 3-9.
It can tolerate cold temperatures down to -20°F (-29°C) but may require protection from extreme heat above 90°F (32°C) during summer months.
Fertilizing
Use a balanced fertilizer with an NPK ratio of 10-10-10, applying it every 4-6 weeks during the growing season.
In fall, switch to a low-nitrogen fertilizer to promote root growth. Signs of nutrient deficiency include yellowing leaves, poor growth, and reduced flowering.
Pruning
Prune Rosa canina in late winter or early spring before new growth begins.
Use sharp, clean pruning shears to remove dead or damaged wood and to shape the plant. Deadheading spent flowers encourages further blooming and should be done regularly throughout the growing season.
Repotting
Repot Rosa canina every 2-3 years or when it outgrows its pot.
Choose a pot that is 1-2 inches larger in diameter. Signs it needs repotting include roots emerging from the drainage holes and stunted growth. To repot, gently remove the plant from its pot, loosen any tightly bound roots, and place it in fresh potting mix.
Propagation
Rosa canina can be propagated through stem cuttings, seeds, or division.
For stem cuttings, take 6-inch cuttings from healthy stems in late spring, dip them in rooting hormone, and plant them in a well-draining potting mix. Keep the soil moist and place in indirect light until roots develop. Seed propagation requires stratification for 30 days before planting in spring.
When it's unhappy
Powdery Mildew
Why it happens
High humidity and poor air circulation can lead to this fungal disease.
How to fix it
Improve air circulation around the plant and apply a fungicide if necessary.
Black Spot
Why it happens
This fungal disease is caused by wet foliage and poor air circulation.
How to fix it
Remove affected leaves, avoid overhead watering, and apply a fungicide.
Aphids
Why it happens
These pests thrive in warm weather and can suck sap from the plant.
How to fix it
Use insecticidal soap or neem oil to treat infestations and encourage beneficial insects.
Leaf Drop
Why it happens
This can occur due to sudden changes in temperature or humidity.
How to fix it
Maintain consistent environmental conditions and avoid drafts.
Root Rot
Why it happens
Over-watering and poor drainage can lead to root rot.
How to fix it
Ensure proper drainage and adjust watering habits to allow the soil to dry out.
Care through the year
Spring
In spring, prune any dead or damaged wood and apply a balanced fertilizer to encourage new growth. Monitor for pests as new leaves emerge.
Summer
During summer, ensure consistent watering and deadhead spent flowers to promote continued blooming. Watch for signs of pests and diseases.
Fall
In fall, reduce watering and switch to a low-nitrogen fertilizer to prepare the plant for winter. Clean up fallen leaves to prevent disease.
Winter
In winter, protect the plant from extreme cold by mulching around the base. Water sparingly, only when the soil is dry.
Toxicity & Safety
Rosa canina is non-toxic to pets and children. The fruits (hips) are edible and rich in vitamin C, but excessive consumption may cause digestive upset.
Good to know
How often should I water my Rosa canina?
Water Rosa canina every 1-2 weeks, allowing the top inch of soil to dry out between waterings. Adjust frequency based on weather conditions.
What type of soil is best for Dog Rose?
Rosa canina thrives in sandy loam or loamy soil with a pH of 6.0 to 7.0. Ensure the soil is well-draining to prevent root rot.
How do I propagate Rosa canina?
You can propagate Rosa canina through stem cuttings or seeds. For cuttings, take 6-inch sections in late spring and root them in a suitable potting mix.
What are the signs of nutrient deficiency in Dog Rose?
Signs include yellowing leaves, stunted growth, and reduced flowering. Regular fertilization can help prevent these issues.
When is the best time to prune Rosa canina?
Prune Rosa canina in late winter or early spring before new growth begins to encourage healthy growth and blooming.
Can Rosa canina be grown in pots?
Yes, Rosa canina can be grown in pots. Ensure the pot has good drainage and repot every 2-3 years as it grows.
Is Dog Rose toxic to pets?
Rosa canina is non-toxic to pets and children, making it a safe choice for gardens with animals.
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