Hypericum punctatum
分類
家族Hypericaceae
属Hypericum
ゾーン4
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Plants of the World Onlineについて
Hypericum punctatum, commonly known as Spotted St. John's Wort, is a perennial herb native to North America. It is part of the Hypericaceae family and the Hypericum genus. This plant is known for its bright yellow flowers with black dots and is often found in meadows, fields, and along roadsides. It undergoes a dormancy period during the winter months.
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Spotted St. John's Wort
Hypericum corymbosum
Hypericum maculatum
Hypericum maculatum var. corymbosum
Hypericum maculatum var. heterophyllum
Hypericum maculatum var. subcordifolium
Hypericum maculatum var. subpetiolatum
Hypericum micranthum
Hypericum punctatum f. punctatum
Hypericum punctatum f. subpetiolatum
Hypericum punctatum var. punctatum
Hypericum subpetiolatum
概要
詳細
お手入れ方法
Spotted St. John's Wort thrives in bright, direct sunlight and prefers moderate temperatures. It should be watered when the soil partially dries out, and it benefits from moderate humidity levels. Regular pruning helps maintain its shape and encourages new growth.土壌
This plant prefers well-draining loamy soil with a slightly acidic to neutral pH. Ensure the soil is not waterlogged, as it can lead to root rot. A mix of garden soil with compost can provide the necessary nutrients.肥料
Use a balanced fertilizer with an N-P-K ratio of 10-10-10 during the growing season. Fertilize every 4-6 weeks to support healthy growth and flowering.植え替え
Repotting is generally not necessary for outdoor plants, but if grown in containers, repot every 2-3 years or when the plant outgrows its pot. Choose a slightly larger pot and refresh the soil mix.伝搬
Hypericum punctatum can be propagated through seeds or cuttings. Sow seeds in the spring or take cuttings in late spring to early summer. Ensure the cuttings have at least two nodes and plant them in a well-draining soil mix.剪定
Prune the plant in early spring to remove dead or damaged stems and to shape the plant. Regular pruning encourages bushier growth and more abundant flowering.毒性
Hypericum punctatum is generally non-toxic to pets and humans. However, it is always best to prevent pets from chewing on any plant material.追加
This plant is relatively low-maintenance and can be a beautiful addition to wildflower gardens or naturalized areas. It attracts pollinators like bees and butterflies, making it beneficial for the ecosystem.植物の手入れに革命を起こす
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