Pale madwort (Alyssum alyssoides)

Pale madwort

Also known as: Pale alison, Yellow alyssum

Native to Eurasia, the prolific pale madwort has caught a foothold in much of the temperate world. This biennial produces winged seeds and has earned a reputation as a nuisance plant in many locations where it has been introduced.

Scientific classification

Species

Pale madwort (Alyssum alyssoides)

Mustards, capers, and allies

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Annual, Biennial

Lifespan

Herb

Plant Type

Spring, Summer

Bloom Time

10 cm to 20 cm

Plant Height

8 mm

Flower Size

White, Yellow

Flower Color

Semi-evergreen

Leaf type

Images of Pale madwort

Distribution of Pale madwort

Distribution Map

Pale madwort is a plant that primarily thrives in temperate regions across both native and introduced ranges. In its native habitat, it spans a vast area, encompassing parts of Southeastern, Central, and Northern Europe, as well as Western Asia. This plant interestingly has established itself in other continents too, as an introduced species in regions such as South America, North America, East Asia, and Australasia.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Arable fields, sandy tracks, pits, docks

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Pale madwort

Every week

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Water: Originating from temperate regions, pale madwort adapts well to moderate moisture and brief dryness. Weekly watering is recommended to maintain health, especially during its growing season, which is vital for optimal growth and flowering.

Fertilize: Pale madwort thrives with balanced nutrition fertilizers starting in spring, followed by monthly feedings during growth. Light applications prevent over-fertilization, promoting robust growth and flowering. Switch to high-phosphorus blends in late summer, and refrain from fertilizing in winter, resuming in spring for optimal health.

Pruning: Pale madwort is a hardy annual with small yellow flowers. Deadhead spent blooms and prune in early to late spring to promote growth and maintain shape. Use clean, sharp tools, and avoid pruning in extreme weather to enhance air circulation and reduce pests.

Propagation: The resilient herbaceous species pale madwort flourishes in well-drained soil with minimal care. It propagates primarily through direct seed sowing, requiring light soil coverage and consistent moisture for germination. Once established, pale madwort can self-seed naturally in favorable conditions for future growth.

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