Blessed Thistle Seeds - Cnicus Benedictus Herb Seed

Blessed Thistle Seeds

Herb Specifications

Season: Annual

USDA Zones: 5 - 9

Height: 20 - 24 inches

Bloom Season: Mid summer to early fall

Bloom Color: Yellow

Environment: Full sun

Soil Type: Well drained, dry, rocky, poor soils

Deer Resistant: Yes

Latin Name: Cnicus Benedictus

Planting Directions

Temperature: 70F

Average Germ Time: 14 - 21 days: if no germ move to 39F for 4wks, recycle

Light Required: No - should be planted in darkness

Depth: 1/4 inch

Sowing Rate: 1 - 2 seeds per plant

Moisture: Keep seeds moist until germination

Plant Spacing: 12 - 15 inches

Blessed Thistle (Cnicus Benedictus) - Blessed Thistle seeds are grown as a medicinal herb. The herb is native to the Mediterranean area and has been used for centuries as a cure-all herb. The Blessed Thistle plant is an attractive annual that is freely branching with toothed leaves that have spines. In mid-summer, thistle-like yellow flower heads are produced. The entire plant, stem, leaves and flower heads have a light down covering.

The flowering tops, leaves, and upper stems are used to make medicine. Young tender leaves can be eaten, or dried leaves can be used to make teas. The Blessed Thistle herb has been used to treat numerous ailments over the centuries, including the plague. Today it is used to promote milk production in lactating women and for menstrual problems.

How To Grow Blessed Thistle: Sow Blessed Thistle seeds directly outdoors in the spring after danger of frost has passed. Blessed Thistle grows best in an area of the garden that receives full sun. The ground must offer good drainage. Harvest before it flowers. Plant can be cut back by 1/3 and harvested 2 - 3 times during a growing season. If a few flowers are allowed to go to seed, it will re-seed for next year's use. Birds also enjoy the seed, so some gardeners recommend gathering the herb seeds and sowing it to ensure next year's supply.

Useful Garden Herb

This thistle variety sports a unique colorful appearance and is traditionally used as a medicinal herb.

Useful Garden Herb

Medicinal Annual

How to Grow

Blessed thistle is best sown directly outdoors in the spring after all danger of frost has passed. The seeds require darkness to germinate, and should be planted at a depth of 1/4 inch. Plant in an area of full sun in ground that offers good drainage. Rocky and poor soil is acceptable. Keep seeds moist until germination, but if no germination occurs within 3 weeks, move to 39F degrees for 4 weeks. The mature plant should be cut back by 1/3 and harvested 2-3 times during a growing season. If a few flowers are allowed to go to seed, it should return the following year.

  • Environment: full sun
  • Soil: well-drained but rocky
  • Sowing rate: 1-2 seeds per plant
Medicinal Annual

Plant Specifications

Blessed thistle is a flowering annual herb that grows in USDA zones 5 through 9. It is native to the Mediterranean region, and grows best in poor, dry, rocky soil. It is used for a variety of medicinal purposes.

  • Bloom color: yellow
  • Bloom season: mid summer to early fall
  • Plant height: 20-24 inches