Whorled Dolichostemon Plant Care
Dolichostemon verticillatus Bonati
Updated · Sources · How we source care data
This plant's slender, whorled leaves are its most striking visual feature. Originating from South Africa, Dolichostemon verticillatus is highly sought after by plant collectors for its unique foliage and ability to thrive in hot, dry conditions.
Every 7–10 days
Partial shade to full sun
60–80°F
40–70%
At a glance
How do you care for Whorled Dolichostemon?
Water Whorled Dolichostemon every 7–10 days, letting the top layer of soil dry out between waterings, and give it partial shade to full sun. It prefers temperatures of 60–80°F (16–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Whorled Dolichostemon Native To?
What Is the Whorled Dolichostemon?
Whorled Dolichostemon (Dolichostemon verticillatus) belongs to the Scrophulariaceae family within the Dolichostemon genus. Whorled Dolichostemon is native to southern Vietnam. Whorled Dolichostemon is also known as Whorled Tickclover.
Whorled Dolichostemon displays a clumping perennial herb growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Whorled Dolichostemon produces small tubular flowers in clusters of pink, purple, or white.
Leaf size: approximately 4 inches.
How Often Should You Water a Whorled Dolichostemon?
Dolichostemon verticillatus 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 Whorled Dolichostemon Need?
Whorled Dolichostemon thrives in partial shade to full sun.
Light Requirement
Partial shade to full sun
What Temperature and Humidity Does the Whorled Dolichostemon Prefer?
Dolichostemon verticillatus grows best at temperatures of 60–80°F. Whorled Dolichostemon prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a Whorled Dolichostemon?
Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Whorled Dolichostemon to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Whorled Dolichostemon?
Feed Whorled Dolichostemon 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 Whorled Dolichostemon?
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 Whorled Dolichostemon?
Whorled Dolichostemon can be propagated through seeds, division of offsets.
Is the Whorled Dolichostemon Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Whorled Dolichostemon, 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 Whorled Dolichostemon?
Whorled Dolichostemon 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 Whorled Dolichostemon Need?
Whorled Dolichostemon grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Whorled Dolichostemon is native to southern Vietnam. In cooler regions, grow Whorled Dolichostemon as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Whorled Dolichostemon 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 Dolichostemon genus — compare its care with other Dolichostemon species on PlantoScan.
Dolichostemon is part of the Scrophulariaceae plant family — browse all Scrophulariaceae genera and species.
Whorled Dolichostemon 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: Dolichostemon verticillatus Bonati, family Scrophulariaceae (first published in Bull. Soc. Bot. Genève , sér. 2, 15: 110 (1923 publ. 1924)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Whorled Dolichostemon, 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 13a, 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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