Xeranthemum annuum, commonly known as the annual everlasting or immortelle, is a flowering plant in the family Asteraceae. Native to Southern Europe, it is known for its papery, daisy-like flowers that retain their color and shape when dried, making them popular in dried flower arrangements. As an annual, it completes its life cycle in one growing season.
Xeranthemum annuum thrives in temperate climates with plenty of sunlight. It prefers moderate temperatures and can tolerate dry conditions. Water the plant sparingly, allowing the soil to dry out between waterings. Ensure it receives bright, direct sunlight for optimal growth.
土壌
This plant prefers well-draining loamy soil. It can tolerate poor soil conditions but performs best in moderately fertile soil. Ensure the soil dries out almost completely between waterings to prevent root rot.
肥料
Fertilize Xeranthemum annuum with a balanced fertilizer, such as 5-10-10, once during the growing season. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flowers.
植え替え
As an annual plant, Xeranthemum annuum does not require repotting. However, if grown in containers, ensure the pot has good drainage and consider refreshing the soil each growing season.
伝搬
Xeranthemum annuum is best propagated by seeds. Sow the seeds directly in the garden after the last frost, or start them indoors a few weeks before the last frost date. Thin the seedlings to allow enough space for growth.
剪定
Pruning is not necessary for Xeranthemum annuum. However, deadheading spent flowers can encourage more blooms and keep the plant looking tidy.
毒性
Xeranthemum annuum is not known to be toxic to pets or humans. It is generally considered safe to grow in gardens and around homes.
追加
Xeranthemum annuum is valued for its long-lasting flowers, which make excellent additions to dried flower arrangements. To dry the flowers, cut them when they are fully open and hang them upside down in a cool, dry place.