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Cirsium japonicum

Cirsium japonicum
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Cirsium japonicum (Cirsium japonicum) — botanical photograph
Pl. F07A — Cirsium japonicum
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Overview

Cirsium japonicum, a biennial or perennial plant native to regions of China and Korea, including Inner Mongolia, Taiwan, and Vietnam, thrives in moist conditions with light full sun exposure. This plant is adaptable to various soil types, from sandy to heavy clay, making it resilient in diverse environments. Known for its edible leaves and roots, Cirsium japonicum is commonly found in areas with a hardiness zone of 5-9. Its distinctive features include a height of about 0.9 meters and the ability to grow in both moist and well-drained soils, contributing to its widespread presence across its native range. This plant is also introduced into Poland, where it may pose a weed potential. For cultivation, ensure the soil is well-draining yet retains moisture. Propagate through seeds or division, and enjoy its edible leaves and roots.

Quick answers

What is Cirsium japonicum?

Cirsium japonicum, a biennial or perennial plant native to regions of China and Korea, including Inner Mongolia, Taiwan, and Vietnam, thrives in moist conditions with light full sun exposure. This plant is adaptable to various soil types, from sandy to heavy clay, making it resilient in diverse environments.

Growingconditions · propagation · uses
V

Cultivation

Cirsium japonicum thrives in full sun and prefers moist, well-draining soil that can be light (sandy), medium, or heavy (clay). It is hardy in zones 5-9, making it suitable for temperate regions. This plant can grow up to 0.9 meters tall and is both a biennial and perennial. For cultivation, focus on providing consistent moisture and ample sunlight. Propagation can be done through seeds or division of established plants. Harvest the leaves and roots for culinary use.
Light
Full sun
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
5-9
Life cycle
Biennial, Perennial
Mature size
0.9 m tall
For first-time growers

How to grow Cirsium japonicum for the first time

8steps

Start with Cirsium japonicum as a simple, low-maintenance addition to your garden.

  1. 1

    What you'll need

    Seeds or young plants, a trowel, and a watering can.

  2. 2

    Best time to plant

    Plant in spring after the last frost or in early fall.

  3. 3

    Soil and container prep

    Choose a location with well-draining soil that is light (sandy), medium, or heavy (clay). Ensure full sun exposure.

  4. 4

    Sowing or transplanting

    Direct sow seeds in the ground or start them indoors 4-6 weeks before planting outside. Transplant young plants if needed.

  5. 5

    First two weeks

    Water regularly to keep soil moist but not waterlogged. Monitor for pests and diseases.

  6. 6

    Ongoing care

    Provide consistent moisture, especially during dry periods. Mulch around the base to retain moisture and suppress weeds.

  7. 7

    Harvest or pruning

    Prune dead leaves and spent flowers to encourage new growth and maintain plant health.

  8. 8

    Common mistakes

    Overwatering, planting in poor soil conditions, neglecting to provide full sun exposure, and not mulching properly.

VI

Edible & utility

Edible parts:LeavesRoot
Edible uses: Oil
Other uses:oil
Contextrange · companions · related
VII

Distribution

9 native · 1 introduced
Distribution across2 continents· 9 native· 1 introduced
Europe1 region
introduced (1)Poland
Asia5 regions
native (5)ChinaJapanSouth KoreaTaiwanVietnam
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Specimen gallery

1 image
Cirsium japonicum (Cirsium japonicum) — botanical photograph
Cirsium japonicum (Cirsium japonicum)
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Explore further

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