Oncinema lineare Plant Care

Oncinema lineare (L.f.) Bullock

Updated · Sources · How we source care data

Oncinema is a genus of plants in the family Apocynaceae first described as a genus in 1834. It contains only one known species, Oncinema lineare , native to South Africa.

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Water

Every 7–10 days

Light

Bright indirect light

Temp

65–80°F

Humidity

50–70%

At a glance

How do you care for Oncinema lineare?

Water Oncinema lineare every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 65–80°F (18–27°C) and 50–70% humidity. Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.

Where Is the Oncinema lineare Native To?

Native range1 country

What Is the Oncinema lineare?

Oncinema lineare (Oncinema lineare) belongs to the Apocynaceae family within the Oncinema genus. Oncinema lineare is native to South Africa.

Oncinema lineare displays a vining, trailing growth habit, reaching up to 2.5 ft tall with a spread of approximately 1.5 ft. Oncinema lineare produces small star-shaped flowers in clusters.

Leaf size: approximately 4 inches.

How Often Should You Water a Oncinema lineare?

Oncinema lineare 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 Oncinema lineare Need?

Oncinema lineare thrives in bright indirect light. Avoid placing Oncinema lineare in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light

What Temperature and Humidity Does the Oncinema lineare Prefer?

Oncinema lineare grows best at temperatures of 65–80°F. Oncinema lineare prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–80°F

Humidity

50–70%

What Soil Mix Works Best for a Oncinema lineare?

Well-draining sandy soil mix with added peat moss and perlite. Good drainage is essential for Oncinema lineare to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Oncinema lineare?

Feed Oncinema lineare 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 Oncinema lineare?

Repot every 1-2 years in 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 Oncinema lineare?

Oncinema lineare can be propagated through stem cuttings, air layering.

Is the Oncinema lineare Toxic to Pets and Children?

Toxic (caution)

Reported as toxic in our plant data. Not verified by the ASPCA.

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 Oncinema lineare?

Oncinema lineare is susceptible to spider mites, mealybugs, scale insects. 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 Oncinema lineare Need?

Oncinema lineare grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Oncinema lineare is native to South Africa. In cooler regions, grow Oncinema lineare as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

Oncinema lineare 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 Oncinema genus — compare its care with other Oncinema species on PlantoScan.

Oncinema is part of the Apocynaceae plant family — browse all Apocynaceae genera and species.

Oncinema lineare 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: Oncinema lineare (L.f.) Bullock, family Apocynaceae (first published in Kew Bull. 17: 184 (1963)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Oncinema lineare is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. 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.

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