Onopordum Plant Seeds - Planting & Growth Guide

Onopordum, commonly known as Cotton Thistle, is a striking biennial plant that adds bold texture to your garden. Known for its towering height and silvery foliage, this ornamental thistle is a favorite among pollinators.

Growing Instructions:

• Planting Season: Best planted in spring or early summer.

• Soil: Prefers well-drained, sandy or loamy soils.

• Light: Full sun for optimal growth.

• Watering: Water moderately, allowing soil to dry between waterings.

• Spacing: Sow seeds 24-36 inches apart.

• Germination: Seeds germinate in 2-4 weeks.

• Maintenance: Minimal care; deadhead flowers to encourage further blooms.

Enjoy the dramatic presence of Onopordum in your garden!