Cabbage Thistle
Cirsium oleraceum · Asteraceae
The gardener's calendar
Ideal time to plant cabbage thistle: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Asteraceae
- Type
- Perennial herbaceous plant
- Foliage
- Deciduous
- Flowering
- July to September
- Mature size
- 60 to 120 cm in height
- Hardiness
- Very hardy (-20 °C)
- Origin
- Central and Eastern Europe
- Soil type
- Rich, moist and well-drained soil
Care
Watering
The meadow thistle appreciates fresh to moist soil. Water regularly during the growing season, especially in summer, to keep the soil consistently moist without waterlogging. In winter, reduce watering but don't let the soil dry out completely.
Exposure
Place your meadow thistle in full sun or partial shade for generous flowering. A sunny location promotes better branching and more abundant flowers. However, in very hot regions, afternoon shade can be beneficial.
Pruning and cutting
Deadhead spent flowers regularly to stimulate new flower production and extend blooming. In late winter or early spring, cut back dried stems to ground level to encourage vigorous growth. This plant self-seeds naturally; remove unharvested flowers if you wish to control its spread.
Soil and planting
The meadow thistle thrives in soil rich in organic matter, moist and well-structured. Enrich the soil at planting time with compost or decomposed manure. It tolerates slightly chalky soils and appreciates humid environments, such as banks or marshy areas.
Fertilizing
An application of well-decomposed compost in spring is generally sufficient to meet nutritional needs. In poor soil, supplement with a balanced organic fertilizer in spring. Avoid excess nitrogen, which would promote foliage at the expense of flowering.
Diseases and pests
The meadow thistle is generally resistant and rarely subject to major pests. Watch for aphids in case of massive infestation and strengthen the plant's vigor through regular watering. Powdery mildew can appear in very humid conditions; improve air circulation if necessary.
Did you know?
The meadow thistle bears the evocative common name of 'garden thistle' because it grows naturally in the humid meadows of Eastern Europe and cultivated areas. Its pale pink to creamy white flowers in dense flower heads attract butterflies and bees, making it a valuable ally for pollinators in a living garden. In the past, its young leaves were occasionally consumed in certain regions as a wild vegetable.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
Add this plant to my garden →Plants from the same family
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- WormwoodArtemisia absinthium
Tips generated and checked by Viridia — adapt them to your local climate.