Smallflower crabgrass (Digitaria parviflora)

Care, watering, light and tips for Smallflower crabgrass on Floravia.

Smallflower crabgrass

Quick facts

About Smallflower crabgrass

Digitaria parviflora, commonly known as small-flower finger grass, is a low to medium-sized annual grass that forms dense clumps. Its stems can be prostrate or ascending, featuring narrow leaves and small, digitate spike-like inflorescences. It is ideal for revegetating degraded areas, erosion control on slopes, or as a low-maintenance ground cover in gardens.

Native range

Tropical and subtropical America

Care tips

This species thrives in full sun to light partial shade for optimal growth. It is highly drought-tolerant once established, requiring sporadic watering in dry climates; avoid overwatering to prevent root rot. It adapts to a wide range of soils, including poor and sandy ones, as long as they have good drainage. A common mistake is over-fertilizing, as it is a plant with low nutritional requirements.

How to save a dying Smallflower crabgrass

Warning signs
Yellowish or whitish leaves, weak or prostrate stems, stunted growth.
First aid
Improve soil aeration. If potted, consider repotting to a larger one with good drainage. Avoid waterlogging.
What kills it
Excessive moisture and lack of direct sunlight. It loves sun and well-drained soil.
Can it be saved?
Yes, if lack of light and excess water are corrected quickly. It's tough, but doesn't tolerate prolonged waterlogging.

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