Verbena stricta, commonly known as hoary vervain, is a member of the Verbenaceae family. It is native to North America and can be found in prairies, meadows, and open woodlands. This plant can be either an annual or perennial and is known for its tall spikes of purple flowers. It has a dormancy period during the winter months.
Verbena stricta thrives in temperate climates with plenty of direct sunlight. It prefers moderate temperatures and average humidity levels. Watering should be done sparingly, allowing the soil to dry out almost completely between waterings. Regular pruning helps maintain its shape and encourages more blooms.
土壤
This plant prefers well-draining loamy soil. It can tolerate poor soil conditions but thrives best in moderately nutrient-rich soil. Ensure the soil has good drainage to prevent waterlogging.
肥料
Use a balanced fertilizer with an N-P-K ratio of 10-10-10. Fertilize sparingly, as over-fertilization can lead to excessive foliage growth at the expense of flowers. Apply fertilizer once in the growing season.
换盆
Repot Verbena stricta when it outgrows its container or if the soil becomes compacted. The best time to repot is in early spring before the growing season begins. Use fresh, well-draining soil and a slightly larger pot.
传播
Verbena stricta can be propagated by seeds or cuttings. For seed propagation, sow seeds in early spring. For cuttings, take a healthy stem cutting in late spring or early summer, dip it in rooting hormone, and plant it in moist soil.
修剪
Pruning is essential for Verbena stricta to encourage bushier growth and more blooms. Prune back the plant after the first flush of flowers to promote a second bloom. Remove any dead or damaged stems regularly.
毒性
Verbena stricta is not toxic to pets or humans. It is safe to grow in gardens where pets and children are present.