Silphium integrifolium
分類
家族Asteraceae
属Silphium
ゾーン4
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Plants of the World Onlineについて
Silphium integrifolium, commonly known as Rosinweed, is a perennial plant native to the central United States. It belongs to the Asteraceae family and is known for its bright yellow flowers that bloom in late summer. The plant is well-suited to temperate climates and can grow up to 2 meters tall. It has a dormancy period during the winter months.
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Rosinweed
Silphium integrifolium var. deamii
Silphium integrifolium var. neglectum
概要
詳細
お手入れ方法
Rosinweed thrives in full sun and requires moderate temperatures. It prefers soil that dries out partially between waterings and can tolerate a range of humidity levels. Regular watering during the growing season and ensuring the soil is well-drained will help the plant flourish.土壌
Silphium integrifolium prefers loamy soil with good drainage. The soil should be moderately fertile to support its growth. Adding organic matter can improve soil structure and nutrient content.肥料
A balanced fertilizer with an N-P-K ratio of 10-10-10 can be applied during the growing season to support healthy growth. Fertilize once a month during the active growing period.植え替え
Repotting is generally not required for outdoor plants, but if grown in containers, repotting every 2-3 years is recommended. Choose a larger pot and fresh loamy soil to accommodate the growing root system.伝搬
Propagation can be done through seeds or division. Seeds should be sown in the spring, while division can be done in early spring or late fall. Ensure the divisions have a good root system before replanting.剪定
Pruning is beneficial to maintain the plant's shape and encourage new growth. Prune back in late winter or early spring before new growth begins. Remove any dead or damaged stems.毒性
Silphium integrifolium is not known to be toxic to pets or humans. However, it is always advisable to keep plants out of reach of pets and children to avoid any accidental ingestion.追加
Rosinweed is a hardy plant that can tolerate a range of conditions once established. It is also known to attract pollinators such as bees and butterflies, making it a great addition to a pollinator-friendly garden.植物の手入れに革命を起こす
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