Rosa roxburghii, commonly known as the Chestnut Rose, is a deciduous shrub native to China. It is known for its unique spiny fruit and beautiful pink flowers. The plant typically enters a dormancy period during the winter months.
Rosa roxburghii requires bright, direct sunlight for optimal growth. It thrives in moderate temperatures and prefers a humid environment. Regular watering is necessary, but the soil should be allowed to dry out partially between waterings.
土壤
The Chestnut Rose prefers well-draining loamy soil that is rich in organic matter. Good drainage is essential to prevent root rot. A slightly acidic to neutral pH is ideal for this plant.
肥料
Use a balanced fertilizer with a nutrient composition of 5-10-5. Fertilize the plant during the growing season, typically in spring and summer, to promote healthy growth and flowering.
换盆
Repotting is generally not required for outdoor shrubs. However, if grown in a container, repot every 2-3 years to refresh the soil and provide more space for root growth. Repot in early spring before new growth begins.
传播
Rosa roxburghii can be propagated through cuttings or seeds. Take semi-hardwood cuttings in late summer or early autumn. Seeds can be sown in autumn after stratification.
修剪
Pruning is essential for maintaining the shape and health of the plant. Prune in late winter or early spring before new growth starts. Remove dead or diseased wood and thin out crowded branches to improve air circulation.
毒性
Rosa roxburghii is not known to be toxic to pets or humans. However, the spiny fruit and stems can cause physical injury if handled carelessly.