Silphium asteriscus
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 asteriscus, commonly known as Starry Rosinweed, is a perennial plant native to North America. It belongs to the Asteraceae family and is known for its bright yellow, daisy-like flowers. This plant thrives in temperate climates and is often found in prairies and open woodlands. It undergoes a dormancy period during the winter months.
としても知られている
Starry Rosinweed
Silphium asteriscus var. asteriscus
Silphium gatesii f. gatesii
概要
詳細
お手入れ方法
Starry Rosinweed requires bright, direct sunlight for optimal growth. It prefers moderate temperatures and can tolerate a range of humidity levels. Water the plant when the soil is almost completely dry, but avoid waterlogging. Regular pruning helps maintain its shape and encourages new growth.土壌
Silphium asteriscus prefers well-draining loamy soil. Ensure the soil has good drainage to prevent root rot. A mix of garden soil with some sand and organic matter works well for this plant.肥料
Use a balanced fertilizer with an N-P-K ratio of 10-10-10. Fertilize the plant during the growing season, typically in spring and summer, to promote healthy growth and flowering.植え替え
Repot the plant every 2-3 years or when it outgrows its current container. Choose a slightly larger pot with good drainage. Gently remove the plant from its old pot, shake off excess soil, and place it in the new pot with fresh soil.伝搬
Propagate Silphium asteriscus through seeds or division. Sow seeds in early spring or divide the plant in late spring or early fall. Ensure the new divisions have enough roots and replant them in well-prepared soil.剪定
Prune the plant in late winter or early spring before new growth begins. Remove any dead or damaged stems and shape the plant as desired. Regular pruning encourages bushier growth and more flowers.毒性
Silphium asteriscus 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 prevent any accidental ingestion.追加
Starry Rosinweed is a great addition to pollinator gardens as it attracts bees and butterflies. It is also relatively drought-tolerant once established, making it a low-maintenance choice for gardeners.植物の手入れに革命を起こす
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