Buddleja alternifolia is a fast-growing, deciduous shrub and part of the Scrophulariaceae family of plants. They also call it the Buddleia alternifolia, Alternate-leaved Butterfly Bush, Fountain Butterfly Bush, or Weeping Butterfly Bush. It is native to Gansu, China.
Carl Linnaeus (1707-1778), the Swedish botanist, named the genus Buddleja, after Reverend Adam Buddle (1660-1715), the English botanist. However, today they sometimes spell the name Buddleia, nevertheless, the correct spelling is with a “j”. The pronunciation with either spelling is the same. B. alternifolia species was first described in 1880 by Karl Maximovich (1827-1891), a Russian botanist.
Buddleja alternifolia is multi-stemmed with arching branches. It can grow to about 4m or 13ft. The foliage is grayish-green and lance-shaped. They are alternate, lanceolate, and glabrous. This species flowers in late spring or summer. It produces long flower slides from the previous year’s leaf axils. The flowers grow in clusters, they are purple-colored and fragrant.
How to grow Buddleja alternifolia:
When it comes to cultivating Buddleja alternifolia, there are several key factors to consider to ensure optimal growth and abundant flowering. Follow these guidelines to successfully grow this beautiful plant:
Sun and Shade: Buddleja alternifolia thrives when planted in an area that receives ample sunlight, although it can also tolerate partial shade. For the best flowering results, it is recommended to provide it with at least 6 hours of direct sunlight each day.
Soil Requirements: This plant prefers average, moist, and well-drained soil. It is essential to ensure that the soil does not become waterlogged, as excessive moisture can lead to root rot. While Buddleja alternifolia can tolerate various soil conditions, it tends to produce more flowers when planted in nutrient-rich, well-drained soil.
Planting: When planting Buddleja alternifolia, prepare the soil by loosening it and incorporating organic matter, such as compost or well-rotted manure, to improve its fertility and drainage. Dig a hole that is slightly larger than the root ball of the plant and gently place it in the hole. Backfill the hole with soil, firming it around the base of the plant.
Watering: Initially, provide regular watering to help the plant establish its root system. Once established, Buddleja alternifolia is relatively drought-tolerant and can withstand periods of dry soil. However, during prolonged dry spells, it is still important to provide supplemental watering to prevent the plant from becoming overly stressed.
Pruning: Pruning Buddleja alternifolia is typically done after flowering, usually in late spring or early summer. Remove any dead, damaged, or crossing branches to maintain a healthy and well-shaped plant. Additionally, pruning can help promote better flowering and overall growth. Cut back the plant to a desired size, ensuring to leave some healthy buds for future growth.
Propagation of Buddleja alternifolia:
Buddleja alternifolia can be propagated through semi-hardwood cuttings taken during the late summer or early autumn. Select healthy stems with firm growth and remove any flowers or buds. Prepare the cuttings by making clean, angled cuts below a leaf node. Dip the cut ends in a rooting hormone powder and plant them in a well-draining propagation medium. Keep the cuttings in a warm and humid environment until they develop roots.
Wildlife Attraction: Buddleja alternifolia is well-known for its ability to attract butterflies and hummingbirds with its fragrant flowers. The nectar-rich blooms act as a valuable food source for these pollinators, making it a wonderful addition to wildlife-friendly gardens. Furthermore, the plant is often considered deer-resistant, reducing the risk of damage from browsing animals.
By following these guidelines for growing Buddleja alternifolia, you can create a thriving and visually stunning garden display while also providing a habitat for beneficial wildlife.
Also read about Buddleja davidii or Buddleja, Buddleia, or Butterfly Bush.
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