Canadian thistle

Cirsium arvense

Cirsium muticum is a perennial plant belonging to the Asteraceae family and is native to North America. The following describes the plant's growth characteristics, propagation methods, cultivation methods, garden uses, and major pests and diseases, as well as control methods.

Growth Characteristics
- Environment: It thrives in moist soil and sunny locations. While it can tolerate some shade, it grows better in full sun.
- Size: Mature plants typically grow to a height of 60 to 150 cm.
- Leaves: The leaves are dark green and feature the characteristic spines of the thistle.
- Flowers: Red to purple flowers bloom from summer through early autumn.

Propagation Methods
- Seeds: It propagates by seeds, which often germinate in the spring. Seeds may require a cold stratification process before germination.
- Vegetative Propagation: Propagation is also possible by root division. Divide and plant the roots in the spring or autumn. Cultivation Method
- Soil: It is best to grow it in fertile, well-drained soil.
- Water: Water consistently to help the soil retain moisture.
- Fertilizer: Apply general horticultural fertilizer a few times a year to provide nutrients.

Uses in the Garden
- Ornamental: Milk Thistle (Silybum muticum) is used as an ornamental plant in gardens due to its unique shape and color.
- Natural Garden: It blends well with other wildflowers and helps add natural color tones.

Important Pests and Control Methods
- Diseases: It may be susceptible to certain fungal diseases. To prevent this, space the plants to improve air circulation, and use fungicides if necessary.
- Pests: Aphids may occur; to control them, consider regular inspections and biological control using natural enemies.

With proper cultivation and care, Milk Thistle (Silybum muticum) can be a wonderful addition to your garden.

Plant Family	Asteraceae
Height	60~210cm
Colors	pink
Bloom Period	July~August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Orchidentale (Clematis)
Cirsium occidentale

Milk thistle (Cirsium rhizome)
Cirsium altissimum