Asian crabgrass is fairly disease-resistant and typically is not susceptible to illnesses. In terms of maintenance, this plant is relatively low-maintenance. When grown outdoors it needs little watering, and larger specimens usually do not require pruning. Smaller plants, however, should be pruned after they have finished blooming. Asian crabgrass is suitable for anyone with an outdoor area, such as a garden or deck, and does not demand extensive care experience.
How to keep Digitaria Bicornis.
Light
Asian crabgrass is a sun-loving perennial herb that comes from open habitats and is commonly found in meadows and grasslands. It prefers full sun but can also tolerate partial-sun conditions.
Water
Asian crabgrass flourishes in humid environments because it needs consistent moisture and has some tolerance to drought. To mimic its natural habitat, water Asian crabgrass twice a week. Using rainwater is more beneficial than tap water, as it enhances nutrient absorption, particularly when the plant is subjected to changing outdoor weather conditions.
Temperature
Asian crabgrass comes from tropical areas, where the climate is generally warm and humid. Consequently, it is suited to high temperatures and humidity. It does not tolerate abrupt temperature changes and prefers a stable thermal environment, so it is important to prevent temperature fluctuations indoors. It typically cannot endure cold and requires warmer conditions to grow. If the ambient temperature falls too low, the plant may stop growing or even perish.
Fertilizer
Asian crabgrass needs extra nutrients to encourage healthy new growth. In spring, applying compost around the base of the plant can effectively supply the nutrition it requires. Fertilizing helps support vigorous growth and improves the plant’s resistance to diseases and pests.
Pruning
Asian crabgrass grows quickly and has a weedy appearance. To maintain its health and control its spread, prune it in early spring using sharp shears to trim the overgrown stems. Regular maintenance is crucial for managing its size and ensuring it uses energy efficiently during the growing season.
Botanical profile.
- Plant Type
- Grass
- Life Cycle
- Perennial
- Genus
- Digitaria
- Family
- Poaceae
- Hardiness Zone
- 8-11
- Mature Height
- 5 cm to 15 cm
- Mature Spread
- 8 cm to 61 cm
- Leaf Color
- Green
- Leaf Type
- Semi-evergreen
- Flower Color
- White, Green
- Flower Size
- 0.20 cm to 0.25 cm
- Bloom Time
- Summer, Early fall, Mid fall
- Planting Time
- Summer, Autumn
- Harvest Time
- Mid summer, Late summer, Fall
- Native Area
- Nepal, Sri Lanka, Libya, Egypt, India, Malaysia, Philippines, Mauritania, Madagascar, Bangladesh, Pakistan, Laos, China, Indonesia, Cambodia, Cameroon, Vietnam, Myanmar, Brazil, Papua New Guinea, Singapore, Thailand
Other names.
Reader questions.
What are the sun requirements for Asian crabgrass (Digitaria bicornis)?
Asian crabgrass (Digitaria bicornis) thrives in various sunlight conditions, requiring full sun for optimal growth, which means it needs above 6 hours of sunlight daily. It can also grow in partial sun, requiring about 3-6 hours of sunlight. It's important to observe the movement of sunlight through your garden to choose the best spots that offer a perfect balance of light and shade, ensuring the plants' health and happiness.
