Spiny burgrass Plant Care
Cenchrus articularis (Trin.) M.W.Tornab. & W.L.Wagner
Updated · Sources · How we source care data
This plant's distinctive cylindrical spikelets give it a unique appearance that sets it apart from other grass species. Originating from Africa, Cenchrus articularis is highly sought after by plant collectors for its drought tolerance and ability to thrive in hot, dry climates.
Every 7–14 days
Full sun
65–85°F
40–70%
At a glance
How do you care for Spiny burgrass?
Water Spiny burgrass every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 65–85°F (18–29°C) and 40–70% humidity. Fertilize it every 8 months during the growing season.
What Is the Spiny burgrass?
Spiny burgrass (Cenchrus articularis) belongs to the Poaceae family within the Cenchrus genus. Spiny burgrass is native to North America, South America, Africa. Spiny burgrass is also known as field sandbur.
Spiny burgrass displays an upright, clumping grass growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Spiny burgrass produces small spikelets in terminal panicles.
Leaf size: approximately 12 inches.
How Often Should You Water a Spiny burgrass?
Cenchrus articularis requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–14 days
Let soil partially dry between waterings
What Light Does the Spiny burgrass Need?
Spiny burgrass thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Spiny burgrass Prefer?
Cenchrus articularis grows best at temperatures of 65–85°F. Spiny burgrass prefers humidity levels of 40–70%.
Temperature
65–85°F
Humidity
40–70%
What Soil Mix Works Best for a Spiny burgrass?
Well-draining sandy soil with good aeration. Good drainage is essential for Spiny burgrass to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Spiny burgrass?
Feed Spiny burgrass every 8 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 8 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Spiny burgrass?
Repot every 1-2 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Spiny burgrass?
Spiny burgrass can be propagated through seeds. Similar propagation techniques also apply to pearl millet plant care, which shares the same genus.
Is the Spiny burgrass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Spiny burgrass, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Spiny burgrass?
Spiny burgrass is susceptible to aphids, grasshoppers. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Spiny burgrass Need?
Spiny burgrass grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Spiny burgrass is native to North America, South America, Africa. In cooler regions, grow Spiny burgrass as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Spiny burgrass is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Cenchrus genus — compare its care with other Cenchrus species on PlantoScan.
Cenchrus is part of the Poaceae plant family — browse all Poaceae genera and species.
Spiny burgrass thrives in bright light and direct sun — see other bright-light plants.
More Cenchrus Species
Other Cenchrus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Cenchrus articularis (Trin.) M.W.Tornab. & W.L.Wagner, family Poaceae (first published in PhytoKeys 28: 2 (2013)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Spiny burgrass, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13b, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
