Sesamothamnus lugardii Plant Care
Sesamothamnus lugardii N.E.Br. ex Stapf
Updated · Sources · How we source care data
Sesamothamnus lugardii, commonly known as the Transvaal sesame-bush, sesame-bush, or sesambos, is a species of plant in the family Pedaliaceae. It is a succulent, spiny shrub or small tree native to southern Africa.
Every 7–10 days
Full sun to partial shade
60–85°F
40–60%
At a glance
How do you care for Sesamothamnus lugardii?
Plant Sesamothamnus lugardii 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 60–85°F (16–29°C). Fertilize it every 6 months during the growing season.
Where Is the Sesamothamnus lugardii Native To?
What Is the Sesamothamnus lugardii?
Sesamothamnus lugardii (Sesamothamnus lugardii) belongs to the Pedaliaceae family within the Sesamothamnus genus. Sesamothamnus lugardii is native to southern Africa.
Sesamothamnus lugardii displays a compact, bushy shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Sesamothamnus lugardii produces small trumpet-shaped flowers in shades of purple and white.
Leaf size: approximately 4 inches.
How Often Should You Water a Sesamothamnus lugardii?
Water a young or newly planted Sesamothamnus lugardii 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 Sesamothamnus lugardii Need?
Sesamothamnus lugardii thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Sesamothamnus lugardii Prefer?
Sesamothamnus lugardii tolerates temperatures of 60–85°F. Sesamothamnus lugardii prefers humidity levels of 40–60%.
Temperature
60–85°F
Humidity
40–60%
What Soil Mix Works Best for a Sesamothamnus lugardii?
Well-draining sandy soil mix with added organic matter. Good drainage is essential for Sesamothamnus lugardii to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Sesamothamnus lugardii?
Feed Sesamothamnus lugardii 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 Sesamothamnus lugardii?
Choose a spot with full sun to partial shade and well-draining sandy soil mix with added organic matter. Avoid low spots where water collects after rain.
Sesamothamnus lugardii 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 Sesamothamnus lugardii?
Sesamothamnus lugardii can spread to about 2 ft (0.6 m) and reach about 3 ft (1 m) tall. Space plants about 2 ft (0.6 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 Sesamothamnus lugardii?
Prune Sesamothamnus lugardii 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 Sesamothamnus lugardii in Winter?
Sesamothamnus lugardii 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 Sesamothamnus lugardii?
Sesamothamnus lugardii can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to sesamothamnus rivae plant care, which shares the same genus.
Is the Sesamothamnus lugardii Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Sesamothamnus lugardii, 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 Sesamothamnus lugardii?
Sesamothamnus lugardii 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 Sesamothamnus lugardii Need?
Sesamothamnus lugardii grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Sesamothamnus lugardii is native to southern Africa. In cooler regions, grow Sesamothamnus lugardii as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Sesamothamnus lugardii 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 Sesamothamnus genus — compare its care with other Sesamothamnus species on PlantoScan.
Sesamothamnus is part of the Pedaliaceae plant family — browse all Pedaliaceae genera and species.
Sesamothamnus lugardii 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: Sesamothamnus lugardii N.E.Br. ex Stapf, family Pedaliaceae (first published in Fl. Trop. Afr. 4(2): 568 (1906)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Sesamothamnus lugardii, 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.
