Cirsium oleraceum, the cabbage thistle or Siberian thistle, is a species of thistle in the genus Cirsium within the sunflower family, native to central and eastern Europe and Asia, where it grows in wet lowland soils. Cirsium oleraceum is a herbaceous perennial plant growing to 1.5 m tall, the stems unbranched or with only a very few branches. The leaves are broad and ovoid, with a weakly spiny margin.
Cirsium Oleraceum Care
Cirsium Oleraceum
Other names: Siberian Thistle
What is the plant
humidity
Normal
lighting
Part sun and part shade
hardiness zone
6a - 10
difficulty
Medium
How to Care for the Plant
Water
Grow your Cirsium in moist, well-drained soil of loam, chalk and sand in an acidic, alkaline or neutral PH balance. Water Cirsium generously after planting and apply a generous layer of mulch to retain moisture levels in the soil. Water regularly in the first weeks. Try to avoid watering on sunny afternoons to minimize the amount of moisture lost to evaporation.
Pruning
Cut back Cirsium during the autumn when it starts to get cooler, to prevent self-seeding.
Fertilizer
During the spring, it is recommended to feed your plant with a general fertiliser which should encourage optimum health and growth.
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Sunlight
Full sun, partial shade.
Soil
A soil composed of peat moss, loam, or sand, or any soil mixture with good drainage can be used. The soil should not be overly fertile.
Temperature
Temperatures between 65 (18 °C) to 75 F (23 °C) and nighttime temperatures between 50 t(10°C) to 60 F (15 °C).
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Container
A container that is about one-third as tall as the plant (measured from the soil line to the highest leaf) often works best.
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