Biennial wormwood - Artemisia biennis (Taxonomy, Characteristics, Distribution, Images)

Biennial wormwood

This is an annual or biennial herb producing a single erect green to reddish stem up to 2 metres in maximum height. It is generally hairless and unscented. The frilly leaves are up to 13 cm long and divided into thin, lance-shaped segments with long teeth. The inflorescence is a dense rod of clusters of flower heads interspersed with leaves.

Scientific classification

Species

Biennial wormwood (Artemisia biennis)

Asters bellflowers fanflowers and allies

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Biennial, Annual

Lifespan

30 cm to 3 m

Plant Height

Semi-evergreen

Leaf type

5 - 32 ℃

Ideal Temperature

Images of Biennial wormwood

Distribution of Biennial wormwood

Distribution Map

Biennial wormwood is native to Central Asia and extends into some parts of the Middle East and South Asia. Beyond its native range, biennial wormwood has been introduced to parts of northern and central Europe, where it has established itself.

Native

Cultivated

Invasive

Introduced

No species reported

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Care Guide for Biennial wormwood

Every week

Water

Full sun

Sunlight

5 - 32 ℃

Ideal Temperature

Water: Biennial wormwood thrives in its native habitat's moisture cycles, preferring balanced watering every week for optimal hydration. While commonly grown outdoors to benefit from rainfall, it requires monitoring during dry spells to maintain consistent soil moisture essential for growth.

Fertilize: Fertilizing biennial wormwood requires balanced nutrition with high nitrogen for vigorous growth, applied monthly during the growing season. Adjust frequency after flowering, ensuring even distribution and soil incorporation to prevent burn. Water thoroughly post-application for optimal nutrient uptake and plant health.

Pruning: Biennial wormwood requires minimal pruning, focusing on dead or damaged stems. Optimal pruning occurs in early to late spring to promote growth and shape. Regular pruning helps prevent overcrowding, improving air circulation and reducing pest and disease risks.

Propagation: Biennial wormwood is a hardy herbaceous species that propagates through fresh seeds. For successful germination, surface sow in well-drained soil, ensuring moisture and air circulation while avoiding waterlogging. Once established, biennial wormwood may self-seed if conditions are favorable.

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