Buddleja davidii
分類
家族Scrophulariaceae
属Buddleja
ゾーン5
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Plants of the World Onlineについて
Buddleja davidii, commonly known as the butterfly bush, is a deciduous shrub native to China and Japan. It is well-known for its long, arching branches and clusters of fragrant, colorful flowers that attract butterflies and other pollinators. The plant can grow up to 5 meters tall and is often used in gardens for its ornamental value. It has a dormancy period during the winter months.
としても知られている
Buddleia
Butterfly Bush
Summer Lilac
Buddleja davidii var. alba
Buddleja davidii var. glabrescens
Buddleja davidii var. magnifera
Buddleja davidii var. nanhoensis
Buddleja davidii var. superba
Buddleja davidii var. veitchiana
Buddleja davidii var. wilsonii
Buddleja delavayi var. tomentosa
Buddleja heliophila var. adenophora
Buddleja shimidzuana
Buddleja variabilis
Buddleja variabilis var. magnifica
Buddleja variabilis var. nanhoensis
Buddleja variabilis var. prostrata
Buddleja variabilis var. superba
Buddleja variabilis var. veitchiana
Buddleja variabilis var. wilsonii
概要
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詳細
お手入れ方法
Buddleja davidii thrives in temperate climates with moderate temperatures. It prefers full sun and should be watered when the soil is dry. The plant can tolerate a range of humidity levels but does best in moderate humidity. Regular pruning is necessary to maintain its shape and encourage new growth.土壌
The butterfly bush prefers well-draining loamy soil. It can tolerate poor soil conditions but will perform best in moderately fertile soil. Ensure the soil has good drainage to prevent root rot.肥料
Use a balanced fertilizer with an N-P-K ratio of 10-10-10. Fertilize in the early spring and again in mid-summer to support growth and flowering. Avoid over-fertilizing as it can lead to excessive foliage growth at the expense of flowers.植え替え
Repotting is generally not necessary for outdoor plants, but if grown in containers, repot every 2-3 years. Choose a slightly larger pot and refresh the soil to provide new nutrients. Repot in early spring before new growth begins.伝搬
Buddleja davidii can be propagated through softwood cuttings taken in late spring or early summer. Cut a 10-15 cm section of new growth, remove the lower leaves, and plant in a well-draining soil mix. Keep the soil moist and place the cutting in a bright, indirect light until roots develop.剪定
Pruning is essential for Buddleja davidii to maintain its shape and encourage flowering. Prune in late winter or early spring before new growth starts. Cut back the previous year's growth to within a few buds of the older wood. Remove any dead or damaged branches.毒性
Buddleja davidii is not toxic to pets or humans. However, as with any plant, it is best to prevent pets and children from ingesting any part of the plant.追加
Buddleja davidii is highly attractive to butterflies and other pollinators, making it an excellent choice for a wildlife-friendly garden. Deadheading spent flowers can encourage a longer blooming period. The plant can become invasive in some regions, so check local guidelines before planting.植物の手入れに革命を起こす
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