Heracleum maximum
分類
家族Apiaceae
属Heracleum
ゾーン3
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Plants of the World Onlineについて
Heracleum maximum, commonly known as cow parsnip, is a perennial plant native to North America. It belongs to the Apiaceae family and the Heracleum genus. This plant thrives in temperate climates and can grow up to 2.5 meters tall. It has large, broad leaves and produces white umbrella-shaped flower clusters. Cow parsnip has a dormancy period during the winter months.
としても知られている
Cow Parsnip
Pastinaca Lanata
Heracleum douglasii
Heracleum inperpastum
Heracleum sphondylium subsp. lanatum
Heracleum sphondylium var. lanatum
Heracleum sphondylium var. tsurugisanense
Heracleum tsurugisanense
Sphondylium lanatum
概要
詳細
お手入れ方法
Heracleum maximum prefers indirect bright light and moderate temperatures. It thrives in environments with moderate humidity. Regular watering is essential to keep the soil evenly moist. This plant can be grown outdoors in temperate climates and requires some care to manage its growth.土壌
Cow parsnip prefers loamy soil that is well-draining yet retains moisture. The soil should be rich in organic matter to support its growth. Ensure the soil pH is slightly acidic to neutral for optimal growth.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 development. Avoid over-fertilizing, as this can lead to excessive growth and weak stems.植え替え
Repotting is generally not required for Heracleum maximum as it is typically grown outdoors. However, if grown in a container, repot the plant every 2-3 years to refresh the soil and provide more space for root growth.伝搬
Propagate cow parsnip through seeds or root division. Sow seeds in the fall or early spring. For root division, separate the plant during its dormancy period in late winter or early spring.剪定
Pruning is necessary to manage the size and shape of the plant. Remove dead or damaged stems and leaves during the growing season. Cut back the plant after flowering to encourage new growth.毒性
Heracleum maximum is toxic to both pets and humans. The sap contains furanocoumarins, which can cause skin irritation and photosensitivity. Handle the plant with care and wear protective clothing to avoid contact with the sap.追加
Cow parsnip can become invasive in some areas, so monitor its growth and spread. It is important to control its spread to prevent it from overtaking native vegetation.植物の手入れに革命を起こす
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