Rosa roxburghii, is a species of flowering plant in the family Rosaceae, native to the eastern Himalayas, Tibet, and central and southern China. In the wild, it is found in thickets, mountain forests, on slopes, and alongside streams, typically 500 to 1,400 m above sea level. A diffuse shrub capable of reaching 8 m (26 ft) but usually shorter, it is available from commercial suppliers. In China, it is cultivated for its vitamin C-rich hips on 170,000 ha, mostly in Guizhou.
Multiflora rose has weak disease resistance and is highly prone to various leaf spot diseases. It is also susceptible to different insect pests, and if infestations are severe most of its leaves can drop. The plant is considered difficult to care for, as it needs regular watering, fertilizer application before flowering, and pruning after flowering and again in winter. Preventive spraying may be needed, or it may require treatment if a disease occurs. Multiflora rose suits people who can dedicate some time and effort to plant care, but keeping it healthy and vigorous may demand greater growing experience and energy.
How to keep Rosa Roxburghii.
Light
Multiflora rose does best in places that receive plenty of sunlight for most of the day, though it can also tolerate spots where sunlight is intermittent. Too much or too little sun can harm its health, possibly causing growth problems or increasing susceptibility to disease. From its origins, this plant became adapted to environments with varying light conditions.
Water
The chestnut rose, native to East Asia, thrives in moderate humidity and prefers drier conditions. It's best to water the chestnut rose every 1-2 weeks, letting the soil dry out slightly between waterings. Often cultivated outdoors for its ornamental beauty, this plant benefits from mulching, which helps retain moisture and reduce the frequency of watering.
Temperature
Multiflora rose does best in a temperate climate, with an optimal temperature range of 41 to 95℉ (5 to 35℃). In summer the plant prefers cooler temperatures and high humidity. In winter it can adapt to colder conditions and even survive frosty weather. It is important to provide sufficient coverage to protect the plant from extreme temperatures.
Fertilizer
To encourage healthy growth, fertilize your Multiflora rose in early spring. Regular feeding boosts overall health, producing vigorous growth, greater tolerance of harsh conditions, and improved resistance to diseases and pests. Keep to a specific fertilization schedule for your Multiflora rose to preserve vibrant foliage with deep color and a lush appearance.
Pruning
To keep a chestnut rose healthy and vibrant, it's best to prune it in early spring. Start by removing any dead or weak stems to improve airflow and encourage new growth. You can also shape the plant by cutting back older branches. This promotes the growth of new blooms, increases fruit yield, and helps control the plant's size, ensuring it remains both vital and visually appealing.
Pot & Repot
When repotting a Multiflora rose, select a pot 1–2 inches (2.5–5.1 cm) larger with ample drainage. Use a well-draining potting mix. Repot in spring or fall, making sure the root ball sits slightly below the rim of the flower pot. Water thoroughly after repotting and place the pot in a warm spot with indirect sunlight.
Botanical profile.
- Plant Type
- Shrub
- Life Cycle
- Perennial
- Genus
- Rosa
- Family
- Rosaceae
- Hardiness Zone
- 5-9
- Mature Height
- 3.05 m to 4.88 m
- Mature Spread
- 3.05 m
- Leaf Color
- Green
- Leaf Type
- Deciduous
- Flower Color
- White, Pink
- Flower Size
- 1.52 cm to 2.03 cm
- Bloom Time
- Late spring, Early summer
- Planting Time
- Spring, Autumn
- Harvest Time
- Mid summer
- Native Area
- Myanmar, Koppen, Japan, South Korea
Other names.