Duthiastrum linifolium Plant Care
Duthiastrum linifolium (E.Phillips) M.P.de Vos
Updated · Sources · How we source care data
Duthiastrum is a genus of plants in the Iridaceae. It contains only one species, Duthiastrum linifolium, endemic to South Africa.
Every 7–10 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Duthiastrum linifolium?
Water Duthiastrum linifolium every 7–10 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 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Duthiastrum linifolium Native To?
What Is the Duthiastrum linifolium?
Duthiastrum linifolium (Duthiastrum linifolium) belongs to the Iridaceae family within the Duthiastrum genus. Duthiastrum linifolium is native to South Africa.
Duthiastrum linifolium displays a clumping perennial herb growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Duthiastrum linifolium produces showy, colorful flowers in shades of purple, blue, and white.
Leaf size: approximately 12 inches.
How Often Should You Water a Duthiastrum linifolium?
Duthiastrum linifolium requires watering every 7–10 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 7–10 days
Let soil partially dry between waterings
What Light Does the Duthiastrum linifolium Need?
Duthiastrum linifolium thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Duthiastrum linifolium Prefer?
Duthiastrum linifolium grows best at temperatures of 50–80°F. Duthiastrum linifolium prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Duthiastrum linifolium?
Well-draining sandy loam with added organic matter for moisture retention. Good drainage is essential for Duthiastrum linifolium to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Duthiastrum linifolium?
Feed Duthiastrum linifolium every 6 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 6 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 Duthiastrum linifolium?
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 Duthiastrum linifolium?
Duthiastrum linifolium can be propagated through division of offsets, seeds.
Is the Duthiastrum linifolium Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Duthiastrum linifolium, 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 Duthiastrum linifolium?
Duthiastrum linifolium is susceptible to aphids, thrips, spider mites. 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 Duthiastrum linifolium Need?
Duthiastrum linifolium grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Duthiastrum linifolium is native to South Africa. In cooler regions, grow Duthiastrum linifolium as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Duthiastrum linifolium 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 Duthiastrum genus — compare its care with other Duthiastrum species on PlantoScan.
Duthiastrum is part of the Iridaceae plant family — browse all Iridaceae genera and species.
Duthiastrum linifolium thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Duthiastrum linifolium (E.Phillips) M.P.de Vos, family Iridaceae (first published in J. S. African Bot. 41: 91 (1975)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Duthiastrum linifolium, 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 12a, 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.
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