Odontostomum hartwegii Plant Care
Odontostomum hartwegii Torr.
Updated · Sources · How we source care data
Odontostomum is a monotypic genus of flowering plants containing the single species Odontostomum hartwegii, which is known by the common name Hartweg's doll's-lily. In the APG III classification system, it is placed in the family Tecophilaeaceae.
Every 7–10 days
Partial shade to dappled sunlight
50–75°F
40–60%
At a glance
How do you care for Odontostomum hartwegii?
Water Odontostomum hartwegii every 7–10 days, letting the top layer of soil dry out between waterings, and give it partial shade to dappled sunlight. It prefers temperatures of 50–75°F (10–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Odontostomum hartwegii Native To?
What Is the Odontostomum hartwegii?
Odontostomum hartwegii (Odontostomum hartwegii) belongs to the Tecophilaeaceae family within the Odontostomum genus. Odontostomum hartwegii is native to the inner coastal mountain ranges and the Sierra Nevada foothills.
Odontostomum hartwegii displays a clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Odontostomum hartwegii produces showy bell-shaped flowers in shades of blue, purple, or white.
Leaf size: approximately 6 inches.
How Often Should You Water a Odontostomum hartwegii?
Odontostomum hartwegii 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 Odontostomum hartwegii Need?
Odontostomum hartwegii thrives in partial shade to dappled sunlight. Avoid placing Odontostomum hartwegii in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Partial shade to dappled sunlight
What Temperature and Humidity Does the Odontostomum hartwegii Prefer?
Odontostomum hartwegii grows best at temperatures of 50–75°F. Odontostomum hartwegii prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Odontostomum hartwegii?
Loamy, well-draining soil mix with added organic matter like compost. Good drainage is essential for Odontostomum hartwegii to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Odontostomum hartwegii?
Feed Odontostomum hartwegii 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 Odontostomum hartwegii?
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 Odontostomum hartwegii?
Odontostomum hartwegii can be propagated through division, seeds.
Is the Odontostomum hartwegii Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Odontostomum hartwegii, 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 Odontostomum hartwegii?
Odontostomum hartwegii is susceptible to aphids, spider mites, thrips. 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 Odontostomum hartwegii Need?
Odontostomum hartwegii grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Odontostomum hartwegii is native to the inner coastal mountain ranges and the Sierra Nevada foothills. In cooler regions, grow Odontostomum hartwegii as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Odontostomum hartwegii 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 Odontostomum genus — compare its care with other Odontostomum species on PlantoScan.
Odontostomum is part of the Tecophilaeaceae plant family — browse all Tecophilaeaceae genera and species.
Odontostomum hartwegii produces blooms — browse other flowering plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Odontostomum hartwegii Torr., family Tecophilaeaceae (first published in Pacif. Railr. Rep. Whipple, Bot. 4(5; 4): 150 (1857)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Odontostomum hartwegii, 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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