Alpine thistle (Carduus defloratus)

Alpine thistle

Alpine thistle (Carduus defloratus) is one of many members of the thistle family. It is named defloratus, which means "reclined" or "withered" in Latin, because of the angle of the purple flower head. This wildflower is pollinated by bees and butterflies. You'll find this thistle growing in dry limestone meadows, open woodlands, and rocky inclines.

Scientific classification

Species

Alpine thistle (Carduus defloratus)

Asters bellflowers fanflowers and allies

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Perennial

Lifespan

30 cm to 60 cm

Plant Height

1.5 cm to 3 cm

Flower Size

Pink, Purple, Red, Violet

Flower Color

Deciduous

Leaf type

20 - 35 ℃

Ideal Temperature

Images of Alpine thistle

Care Guide for Alpine thistle

Every week

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Water: Alpine thistle thrives in moderate moisture typical of high-altitude habitats, requiring weekly watering to prevent soil saturation. Its resilience during the growing season is enhanced by moisture from melting snow, minimizing the need for additional irrigation.

Fertilize: To optimize alpine thistle's growth, use balanced fertilizers with equal NPK ratios monthly during the growing season. Avoid over-fertilizing to protect roots. Adjust feeding with seasons and ensure water is given before and after fertilization to prevent root burn.

Pruning: Alpine thistle features spiky leaves and vibrant purple to pink flowers. Prune from early to late spring to promote growth, remove damaged stems, and encourage air circulation. Regular pruning ensures robust blooms and minimizes invasiveness, using clean, sharp tools to prevent pathogen spread.

Propagation: Alpine thistle requires well-draining soil and can be propagated by sowing seeds, which need light for germination. Maintain consistent moisture to avoid seed rot. Once several true leaves appear, transplant seedlings into individual pots before relocating them outdoors.

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Images of Alpine thistle

Care Guide for Alpine thistle

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