The mountain fetterbush is less subject to damage from the Azalea lacebug that often infests the Japanese species. There is a cultivar of a hybrid between the American and Japanese species called 'Brouwer's Beauty' that does adapt easily to cultivation and bears intermediate flower clusters that are erect and yet drooping also.
Water:
Mountain fetterbush prefers humid, mountainous habitats and thrives with consistent moisture. It should be watered every two weeks in cultivation. As an evergreen, mountain fetterbush retains foliage year-round, requiring careful water management during the growing season to maintain its lush appearance.
Fertilize:
Fertilize mountain fetterbush in spring with a balanced 10-10-10 fertilizer at the recommended rate, about 15 g per square meter. Monthly applications during active growth are ideal, tapering off in late summer. Always water thoroughly to protect roots and ensure optimal year-round care.
Pruning:
Mountain fetterbush is an evergreen shrub valued for its foliage and flowers. Prune in late spring post-flowering, removing dead branches and thinning congested areas for airflow. Avoid heavy autumn pruning to prevent frost damage, enhancing aesthetics, promoting growth, and reducing pest risks.
Propagation:
Mountain fetterbush is propagated through semi-hardwood cuttings from healthy parent plants. Application of rooting hormone and placement in a well-draining soil mix promote rooting. Consistent moisture and warmth are crucial, while avoiding direct sunlight helps reduce stress until the cuttings establish.
Repotting:
Repot mountain fetterbush every 2-3 years in early spring to facilitate growth. Use a larger container with proper drainage. After repotting, maintain moist, well-draining soil and partial shade for recovery. Regular repotting promotes lush foliage and healthy flowering.
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