Digitaria sanguinalis aka Common Crabgrass

Taxonomy

Digitaria sanguinalis, also known as Hairy Crabgrass, Large Crabgrass, Crab Finger Grass, and Purple Crabgrass, is a species of grass that is known worldwide as a common weed. It is a summer annual that can quickly spread and form colonies in full sun to part sun, preferring moist to dry clay loams. Although it is often considered a nuisance, it has some uses such as being used as animal fodder and having edible seeds that are sometimes cultivated as a grain in Germany and Poland where it is called Polish Millet. However, to prevent its spread, it is recommended to use a pre-emergence herbicide in late winter or early spring to prevent germination of seed, and professional application of a select crabgrass killer may be necessary.

Common names

Common Crabgrass, Hairy Crabgrass, Hairy Finger Grass

How to care for Common Crabgrass

Difficulty

Common Crabgrass is a low-maintenance plant that requires minimal attention, making it an excellent choice for beginners.

Water

Common Crabgrass should be watered regularly, allowing the soil to dry out between waterings.

Soil

When growing Common Crabgrass, it is important to pay attention to the soil type you are using. This plant is very sensitive to dry soil and needs a potting soil that retains moisture. A good soil should still be well-draining and contain lots of organic matter. Coco coir or sphagnum moss are great options to provide the Hairy Crabgrass with the nutrients and moisture it needs. The added organic matter will also help the soil retain water and prevent the Common Crabgrass from drying out too quickly. Before planting, make sure to mix compost or manure into the soil for extra nutrients. Also, make sure to water the Common Crabgrass regularly, making sure to keep the soil evenly moist but never soggy. With the correct soil and watering regimen, the Common Crabgrass will thrive and bring lots of beauty to your home.

Lighting

To ensure optimal growth, the Common Crabgrass prefers bright diffused light for 6-8 hours each day. Insufficient light can result in slow growth and leaf drop, so it's important to find a well-lit location for this plant. Place it near a window, within a distance of 1 meter (3 feet), to enhance its potential for thriving.

Dormancy

During the cold period, it is common for Common Crabgrass to go dormant and their growth may slow down, so waterings should be spaced out more during this period.

Toxicity

Ploi's records do not contain confirmed information on the toxicity of this particular plant. In the event of accidental ingestion of plant material with questionable toxicity by you, a family member, or a pet, it is always a good idea to consult a healthcare professional.

Region of origin

Common Crabgrass’s native range is Cosmopolitan. A rare casual in Britain[17].


More info:
Wikipedia