Photo: Trevor Van LoonCC BY 4.0via iNaturalistresized / cropped
Short-horn Spineflower Plant Care
Chorizanthe brevicornu Torr.
Updated · Sources · How we source care data
With its unique spiral-shaped leaves, Chorizanthe brevicornu is a rare native plant found in California, particularly in the Antelope Valley region. This distinctive feature makes it highly sought after by plant collectors looking to add a visually striking and uncommon species to their collection.
Every 7–14 days
Full sun to partial shade
50–80°F
40–60%
At a glance
How do you care for Short-horn Spineflower?
Water Short-horn Spineflower every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–60% humidity. Fertilize it every 2 months during the growing season.
Where Is the Short-horn Spineflower Native To?
What Is the Short-horn Spineflower?
Short-horn Spineflower (Chorizanthe brevicornu) belongs to the Polygonaceae family within the Chorizanthe genus. Short-horn Spineflower is native to the southwestern United States and northern Mexico. Short-horn Spineflower is also known as Short-horned Spineflower.
Short-horn Spineflower displays a low spreading groundcover growth habit, reaching up to tall with a spread of approximately 1 ft. Short-horn Spineflower produces small clusters of inconspicuous flowers.
Leaf size: approximately 2 inches.
How Often Should You Water a Short-horn Spineflower?
Chorizanthe brevicornu 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 Short-horn Spineflower Need?
Short-horn Spineflower thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Short-horn Spineflower Prefer?
Chorizanthe brevicornu grows best at temperatures of 50–80°F. Short-horn Spineflower prefers humidity levels of 40–60%.
Temperature
50–80°F
Humidity
40–60%
What Soil Mix Works Best for a Short-horn Spineflower?
Well-draining sandy soil with low to moderate fertility. Good drainage is essential for Short-horn Spineflower to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Short-horn Spineflower?
Feed Short-horn Spineflower every 2 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 2 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 Short-horn Spineflower?
Repot every 2-3 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 Short-horn Spineflower?
Short-horn Spineflower can be propagated through seeds, division of rhizomes. Similar propagation techniques also apply to wavy-leaf spineflower plant care, which shares the same genus.
Is the Short-horn Spineflower Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Short-horn Spineflower, 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 Short-horn Spineflower?
Short-horn Spineflower is susceptible to aphids, spider mites, whiteflies. 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 Short-horn Spineflower Need?
Short-horn Spineflower grows outdoors in USDA Zone 8a – 11b. It survives winters down to planting zone 8a. Short-horn Spineflower is native to the southwestern United States and northern Mexico.
Hardiness Zone
Zone 8a – 11b
Keep exploring plants
Short-horn Spineflower 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 Chorizanthe genus — compare its care with other Chorizanthe species on PlantoScan.
Chorizanthe is part of the Polygonaceae plant family — browse all Polygonaceae genera and species.
Short-horn Spineflower thrives in bright light and direct sun — see other bright-light plants.
More Chorizanthe Species
Other Chorizanthe species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Chorizanthe brevicornu Torr., family Polygonaceae (first published in Rep. U.S. Mex. Bound. 2(1): 177 (1858)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Short-horn Spineflower, 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.
- Photo: Trevor Van Loon, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 8a – 11b, estimated from the plant's typical growing conditions.
- 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.
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