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Tetranema evoluta Plant Care
Tetranema evoluta Donn.Sm.
Updated · Sources · How we source care data
Tetranema evoluta is a striking plant known for its unique tubular, bright orange flowers that bloom in clusters atop thin, wiry stems. This South African native is prized by plant enthusiasts for its ability to attract pollinators like butterflies and bees with its vibrant blooms.
Every 7–10 days
Full sun to partial shade
60–75°F
40–60%
At a glance
How do you care for Tetranema evoluta?
Plant Tetranema evoluta in full sun to partial shade (USDA zones 13a) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 60–75°F (16–24°C). Fertilize it every 6 months during the growing season.
What Is the Tetranema evoluta?
Tetranema evoluta (Tetranema evoluta) belongs to the Plantaginaceae family within the Tetranema genus. Tetranema evoluta is native to South Africa.
Tetranema evoluta displays a low rosette, spreading growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Tetranema evoluta produces small, tubular flowers in shades of pink, purple, or white.
Leaf size: approximately 2 inches.
How Often Should You Water a Tetranema evoluta?
Water a young or newly planted Tetranema evoluta every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 7–10 days
Until established; then in dry spells
What Light Does the Tetranema evoluta Need?
Tetranema evoluta thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Tetranema evoluta Prefer?
Tetranema evoluta tolerates temperatures of 60–75°F. Tetranema evoluta prefers humidity levels of 40–60%.
Temperature
60–75°F
Humidity
40–60%
What Soil Mix Works Best for a Tetranema evoluta?
Well-draining sandy loam with added organic matter. Good drainage is essential for Tetranema evoluta to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Tetranema evoluta?
Feed Tetranema evoluta every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.
Stop feeding by late summer so new growth can harden before winter.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
Where Should You Plant a Tetranema evoluta?
Choose a spot with full sun to partial shade and well-draining sandy loam with added organic matter. Avoid low spots where water collects after rain.
Tetranema evoluta is suited to USDA Zone 13a.
Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Tetranema evoluta?
Tetranema evoluta can spread to about 1 ft (0.3 m) and reach about 1 ft (0 m) tall. Space plants about 1 ft (0.3 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.
Planning a row or hedge? Try the plant spacing calculator.
How Do You Prune a Tetranema evoluta?
Prune Tetranema evoluta while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.
If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.
How Do You Care for a Tetranema evoluta in Winter?
Tetranema evoluta is frost-tender (hardy to USDA zone 13). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.
How Do You Propagate a Tetranema evoluta?
Tetranema evoluta can be propagated through seeds, division of clumps. Similar propagation techniques also apply to mexican foxglove plant care, which shares the same genus.
Is the Tetranema evoluta Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Tetranema evoluta, 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 Tetranema evoluta?
Tetranema evoluta is susceptible to aphids, spider mites, leafhoppers. 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 Tetranema evoluta Need?
Tetranema evoluta grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Tetranema evoluta is native to South Africa. In cooler regions, grow Tetranema evoluta as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Tetranema evoluta 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 Tetranema genus — compare its care with other Tetranema species on PlantoScan.
Tetranema is part of the Plantaginaceae plant family — browse all Plantaginaceae genera and species.
Tetranema evoluta 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: Tetranema evoluta Donn.Sm., family Plantaginaceae (first published in Bot. Gaz. 14: 29 (1889)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Tetranema evoluta, 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: AI-generated illustration (labelled on the image).
- 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.
