Symphytum uplandicum
分類
家族Boraginaceae
属Symphytum
ゾーン4
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Plants of the World Onlineについて
Symphytum uplandicum, commonly known as Russian Comfrey, is a perennial plant in the Boraginaceae family. It is native to Europe and prefers temperate climates. This plant is known for its rapid growth and large, hairy leaves. It has a dormancy period during the winter months.
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Russian Comfrey
Symphytum coeruleum
Symphytum ×coeruleum
Symphytum ×densiflorum
Symphytum ×discolor
Symphytum ×lilacinum
Symphytum uplandicum f. coeruleum
Symphytum uplandicum f. densiflorum
Symphytum uplandicum f. discolor
Symphytum uplandicum f. lilacinum
概要
詳細
お手入れ方法
Russian Comfrey thrives in moderate temperatures and prefers bright, indirect light. It requires regular watering to keep the soil evenly moist. The plant benefits from moderate humidity levels and should be protected from extreme temperatures.土壌
Russian Comfrey prefers loamy soil that is well-draining yet retains moisture. The soil should be rich in organic matter to support its rapid growth. A slightly acidic to neutral pH is ideal.肥料
Use a balanced fertilizer with an N-P-K ratio of 10-10-10. Fertilize the plant during the growing season to support its vigorous growth. Avoid over-fertilizing, as this can lead to excessive leaf growth at the expense of flowers.植え替え
Repot Russian Comfrey every 2-3 years or when it outgrows its container. Choose a larger pot with good drainage and fresh, nutrient-rich soil. Repotting is best done in early spring before the growing season begins.伝搬
Russian Comfrey can be propagated through root cuttings or division. Take root cuttings in early spring or late autumn. Ensure each cutting has at least one bud. Plant the cuttings in moist soil and keep them in a shaded area until they establish roots.剪定
Prune Russian Comfrey regularly to remove dead or damaged leaves and to control its size. Pruning can also encourage bushier growth. Cut back the plant to the ground in late autumn to prepare it for dormancy.毒性
Russian Comfrey contains pyrrolizidine alkaloids, which are toxic to both humans and pets if ingested. All parts of the plant are toxic, but the roots contain the highest concentration of these compounds. Handle the plant with care and keep it out of reach of children and pets.追加
Russian Comfrey is often used in permaculture and organic gardening for its ability to improve soil fertility. Its deep roots help to break up compacted soil and draw up nutrients from deep within the ground. The leaves can be used to make a nutrient-rich compost tea.植物の手入れに革命を起こす
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