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Black thistle (Cirsium vulgare)-i
Black thistle (Cirsium vulgare)-i
Black thistle (Cirsium vulgare)-i
Black thistle (Cirsium vulgare)-i
Black thistle (Cirsium vulgare)-i
Black thistle (Cirsium vulgare)-i
Black thistle (Cirsium vulgare)-i
Black thistle (Cirsium vulgare)-i
Black thistle (Cirsium vulgare)-i
Black thistle (Cirsium vulgare)-i
Black thistle (Cirsium vulgare)-i
Black thistle (Cirsium vulgare)-i
Black thistle (Cirsium vulgare)-i
Black thistle (Cirsium vulgare)-i

Black thistle

Scientific name
Cirsium vulgare

Basic Information

Asteraceae Family Cirsium Genus Black thistle Species
Asteraceae > Cirsium > Cirsium vulgare
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  • Biennial
  • Forb/herb
Height
100cm ~ 200cm
Flower Color
Leaf Color
Anthesis
summer, fall
Sunlight Exposure
Full Sun
Hardiness Zones
5-9
Cold resistance
Excellent
Heat resistance
Fair
Habitat of origin
Europe
Growth Rate
Fast

What is Black thistle (Cirsium vulgare)?

What is Black thistle (Cirsium vulgare)

Cirsium vulgare, commonly known as Black thistle, is plant to belong Asteraceae. Second sentence converted. The plant grow 1.5 meters height and has deep system. Third sentence converted. The leave are lobe and color. Stem cover in. Flowers in round clusters top and color purple or pink. Each head many florets surround bracts. Cirsium vulgare small, fruits achenes, spread wind animals. The plant spread fast and can become in areas. Often in habitats like roadsides, fields, pastures. In symbolism, thistles associate resilience protection spiny nature. Also sometimes as symbol independence strength. Overall, Cirsium vulgare hardy plant can tolerate wide conditions. However, can be invasive and may require management in situations.

Jake
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Flower meaning

The flower language commonly associated with the Black thistle in America is Independence or Defiance. This language is often used to convey a sense of strength, resilience, and standing up against adversity. The Black thistle's sharp spines and dark coloration symbolize protection and determination. It is often used in floral arrangements or given as a gift to express admiration for someone's courage or determination in the face of challenges. The Black thistle is not associated with any specific birth month or date. The characteristic of the Black thistle in the United States is a metaphor for autonomy and rebellion. The idea expressed gives an impression of power, flexibility, and opposing hardship. The thorns and dark color of the Black thistle represent safety and tenacity. The Black thistle is frequently part of floral displays or presents to show appreciation for someone's grit and resolve when facing troubles. The Black thistle has no connection to any particular birth month or date.

Jake
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Calendar of Black thistle (Cirsium vulgare)

Calendar

Black thistle, also known as Cirsium vulgare, is a plant native to Europe and Asia but has become adapted in the United States. It typically blossoms from late spring to early summer, with the peak blooming period in June. The flowers of black thistle are at their finest during this time, showing their bright purple color and bringing in pollinators like bees and butterflies. The blooming time of black thistle can differ depending on conditions and location. Generally, it takes a few weeks for the flowers to completely bloom and reach their maximum beauty. To promote longer blooming, it is suggested to give black thistle well-drained land, full sunlight, and regular wetting. Removing spent flowers can also help lengthen the blooming period.

Jake
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How to grow Black thistle (Cirsium vulgare)

Watering

The Black thistle plant regularly requires sufficient watering during its growing season in spring and summer. It is recommended to check soil moisture weekly and water when the top inch is dry, providing 1-2 inches total per week. In fall and winter, allow soil to partially dry between waterings every 2-3 weeks. Consider soil type, drainage and seasonal changes when determining optimal watering frequency and volume for this plant at each growth stage.

Jake
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Soil and Fertilizer

Black thistle, alternately identified as Cirsium vulgare, adapts in diverse earth types. The plant wants soils that empty well and have a pH of 6 to 7.5. Fertilizing the soil in early springtime helps the plant flourish. Throughout the season, applying more fertilizer every 4 to 6 days promotes foliage and blooms. Analyzing the soil frequently assists with fertilizing correctly. Monitoring moisture and irrigating when essential also helps the plant. Providing great soil and fertilizer helps Black thistle prosper.

Jake
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Sunlight and Place

The shade-enduring Black thistle, technically referred to as Cirsium vulgare, has fair frost opposition. It can accept chilly as low as -10°C without harm. But long cold can decrease it survival. However, Black thistle can succeed in sultry climes at temperatures up to 40°C. The ideal range is 20-30°C. Well-drained soil suits it, as well as sandy and loamy kinds. Regarding light, Black thistle cherishes full sun to grow well. It can tolerate both direct and indirect light. Provide at least 6-8 hours of light daily. In summer, water regularly sans waterlogging. In winter, protect it from frost by covering or moving it. All in all, Black thistle is sturdy and can accept a range of temperatures and full sun.

Jake
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Advanced Information of Black thistle (Cirsium vulgare)

Pruning

Black thistle, scientifically known as Cirsium vulgare, is a plant that benefits from regular pruning and cutting back. The thistle requires maintenance to shape, and size. It helps to health, stimulate new growth, and prevent overcrowding. Cutting back also promotes flowering and prevents the plant from becoming invasive. The ideal time to prune black thistle is in late winter or early spring before emergence begins. This permits the plant recover quickly and minimizes the possibility of frost damage. When pruning, it is crucial to shield hands and utilize sharpened, sterilized tools for clean cuts. Eliminate any expired or impaired stems, as well as any weak or intersecting branches. Cut back the plant to a vigorous bud or side branch, being sure to preserve its natural form. After pruning, it is advised to clean the area by removing any particles or fallen leaves. This assists to stop the spread of diseases and pests. Additionally, placing mulch around the base of the plant can assist retain moisture and suppress weed emergence. In summary, regular pruning and cutting back of black thistle is key for its health and form. It should occur in late winter or early spring, employing sharpened tools and making clean cuts. Cleaning the area and applying mulch afterwards can additionally enhance the plant's development and vitality.

Jake
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Planting and Harvest

Black thistle, also known as Cirsium vulgare, is a plant that can be potted or planted in the ground. When potting Black thistle, it is important to choose a pot that is deep enough to accommodate its long taproot. The pot should also have drainage holes to prevent waterlogging. Add more location type around the plant, firming it lightly to remove any air pockets. Provide water to the plant completely after potting, and set it in a position with full brightness. When changing pots for Black thistle, choose a larger pot to allow for growth. Cautiously take away the plant from its current pot, being aware of the taproot. Put the plant in the new pot, pursuing the same progress as potting. Provide water to the plant after changing pots and continue to safeguard it as usual. Incorrectly exhibiting Black thistle can lead to poor growth and health. It is significant to make available the plant with the accurate situations, including full brightness, location type that enables draining, and normal watering. Additionally, Black thistle is a plant that finishes its life cycle in two periods. It creates flowers and seeds in the second period before dying. Correct care and repair will ensure the best growth and duration for Black thistle.

Jake
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Propagation

Black thistle is simple to propagate via sowing seedlings. Collect fully ripened seeds and plant in appropriate soil conditions, providing light and moisture for germination. Additionally, gently divide plant clumps while retaining some root systems for replanting. Furthermore, take cut stems possessing nodes and apply rooting hormone prior to planting in suitable potting medium. Maintain humidity and filtered light until roots emerge. Leaves may also generate new plants if placed in moist soil and given adequate indirect sun exposure, as roots will form at the base. Mature plants can be harvested once intended portions such as leaves or blooms have sufficiently developed.

Jake
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Pests and Diseases

Black thistle, scientifically known as Cirsium vulgare, is susceptible to various pests and diseases. One common pest that affects this plant is the thistle tortoise beetle (Cassida rubiginosa). These beetles feed on the leaves of the black thistle, causing damage and defoliation. Another pest that can infest this plant is the thistle aphid (Brachycaudus cardui). These aphids suck the sap from the plant, leading to stunted growth and deformation of the leaves. In terms of diseases, black thistle can become infected with fungal pathogens such as rust (Puccinia spp.) and powdery mildew (Erysiphe cichoracearum). The rust causes orange or brown spots on the leaves, stems, and flowers, while the powdery mildew appears as a white powdery coating on the plant's surfaces. These sicknesses can weaken the plant, reduce its vigor, and ultimately lead to withering. To prevent pest infestations, it is very important to check the plant regularly. Early detection allows for timely intervention, such as applying insecticidal soaps or horticultural oils to control thistle tortoise beetles and aphids. Additionally, practicing good cleanliness by clearing and destroying infected plant material can help prevent the spread of fungal diseases. Proper cultural practices, including providing adequate light, well-drained soil, and appropriate space between plants, can also help the plant stay healthy and reduce the risk of disease. Making sure proper air circulation around the plants can reduce the development and spread of fungal pathogens. To summarize, black thistle is at risk for pests such as thistle tortoise beetles and thistle aphids, as well as fungal diseases like rust and powdery mildew. Regular checks, early treatment, and good cultural practices are important to stop and control these problems.

Jake
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Habitat of Black thistle (Cirsium vulgare)

Habitat

Toxicity of Black thistle (Cirsium vulgare)

Health Benefits

edible
Inedible
Toxic
toxic

NO DATA

Toxic for dogs and cats

NO DATA

Q&A of Black thistle (Cirsium vulgare)

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