Smut grass
Sporobolus indicus · Poaceae
The gardener's calendar
Ideal time to plant smut grass: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Poaceae (grasses)
- Type
- Perennial tufting grass
- Mature height
- 24 to 35 inches tall
- Foliage
- Semi-persistent to deciduous depending on climate
- Flowering
- August to October, fine and upright spikelets
- Exposure
- Full sun to partial shade
- Hardiness
- Moderate (warm temperate zones)
- Origin
- Tropical and subtropical regions of Africa
Care
Exposure
Fertile dropseed prefers a sunny location to express its full vigor and density. In hot climates, light afternoon shade can be beneficial. Avoid permanently shaded areas that slow growth.
Watering
Water regularly during the growing season (spring-summer), keeping the soil moist without excess. Once established, this grass tolerates relative drought well. In winter or cold climates, reduce watering.
Soil
This grass adapts to many soil types: well-draining is preferable, but it also tolerates sandy or poor soils. Soil that is too compacted or poorly drained in winter can cause problems in cold areas.
Cutting and Cleanup
Regularly comb out dead foliage using a rake or cultivator to aerate the clump. At the end of winter, cut back hard (to 2-4 inches) to make room for new growth. Remove dry stems to prevent buildup.
Nutrition
Apply balanced fertilizer in spring when vegetation starts. One annual application is generally sufficient. Avoid excess nitrogen, which weakens resilience and causes flopping.
Diseases and Pests
Generally robust, fertile dropseed mainly fears stagnant moisture, which promotes root rot. Space clumps apart to ensure good air circulation. Rarely affected by common pests.
Did you know?
Fertile dropseed (Sporobolus indicus) is valued in horticulture for its ability to quickly colonize spaces and for its particularly light and airy spikelets at flowering. Its name "Sporobolus" literally means "spore disperser," as its tiny seeds once dispersed by wind in large quantities, making this grass a natural pioneer in degraded terrain in tropical Africa.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
Add this plant to my garden →Plants from the same family
- Tufted hair grassDeschampsia cespitosa
- Wavy hair-grassAvenella flexuosa
- Purple moor-grassMolinia caerulea
- Reed canary-grassPhalaris arundinacea
- Common quaking grassBriza media
- Creeping soft-grassHolcus mollis
Tips generated and checked by Viridia — adapt them to your local climate.