Violet crabgrass (Digitaria violascens)

Violet crabgrass

Violet crabgrass (Digitaria violascens) is a very widespread grass that has spread across much of the world. It is therefore considered an invasive species in parts of the USA. The scientific name violascens and the common name Violet crabgrass both draw attention to the upper lemma of the plant's flower heads, which are purple.

Scientific classification

Species

Violet crabgrass (Digitaria violascens)

Grasses, sedges and allies

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Annual, Perennial

Lifespan

Grass

Plant Type

Summer, Fall

Bloom Time

20 cm to 60 cm

Plant Height

5 cm to 10 cm

Flower Size

Yellow, Green, Brown

Flower Color

Images of Violet crabgrass

Distribution of Violet crabgrass

Distribution Map

Violet crabgrass is primarily native to Asian and Southeast Asian regions, as well as parts of South America and the Caribbean. Additionally, it has a presence in Oceania, including countries like Japan and Fiji. Over time, violet crabgrass has been introduced across various continents, extending to parts of Africa, the Americas, Europe, and even Australasia, where it has established itself in differing climates and terrains.

Native

Cultivated

Invasive

Introduced

No species reported

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Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Violet crabgrass

Every week

Water

Full sun

Sunlight

Water: Violet crabgrass thrives in tropical climates, preferring consistent moisture and weekly watering to maintain optimal health. It tolerates brief dry spells but benefits from steady humidity. As a grass species, its growth hinges on proper irrigation during the growing season, making attentive care crucial.

Pruning: Violet crabgrass features violet-tinged leaves and is invasive, necessitating strategic pruning. Prune in early to late spring to cut back overgrown stems, promoting healthy growth and managing foliage. Regular trimming can deter pests. Always use clean, sharp tools to prevent infection and enhance landscape aesthetics.

Propagation: Violet crabgrass is propagated by direct sowing seeds in well-prepared, moist soil for optimal germination. Ensuring good seed-to-soil contact and regular watering, while managing weeds, supports robust growth and establishment in the growing environment.

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Learn More About Violet crabgrass

How to Transplant

How to Prune

How to Grow and Care

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