Rothmannia lujae Plant Care
Rothmannia lujae (De Wild.) Keay
Updated · Sources · How we source care data
Rothmannia lujae is a midlevel rainforest tree in the family Rubiaceae which is found in southern Nigeria, Equatorial Guinea, Gabon, western Cameroon, and into the Democratic Republic of Congo (Kinshasa). It is noted for having an 20 cm (7.9 in) diameter fruit which requires several years to mature.
Every 7–10 days
Filtered sunlight or partial shade
65–80°F
50–70%
At a glance
How do you care for Rothmannia lujae?
Plant Rothmannia lujae in filtered sunlight or partial shade (USDA zones 13b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 65–80°F (18–27°C). Fertilize it every 6 months during the growing season.
Where Is the Rothmannia lujae Native To?
What Is the Rothmannia lujae?
Rothmannia lujae (Rothmannia lujae) belongs to the Rubiaceae family within the Rothmannia genus. Rothmannia lujae is native to southern Nigeria, Equatorial Guinea, Gabon, western Cameroon, and into the Democratic Republic of Congo (Kinshasa).
Rothmannia lujae displays a compact, bushy shrub growth habit, reaching up to 4 ft tall with a spread of approximately 3 ft. Rothmannia lujae produces fragrant, white tubular flowers with yellow centers.
Leaf size: approximately 6 inches.
How Often Should You Water a Rothmannia lujae?
Water a young or newly planted Rothmannia lujae 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 Rothmannia lujae Need?
Rothmannia lujae thrives in filtered sunlight or partial shade. Avoid placing Rothmannia lujae in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Filtered sunlight or partial shade
What Temperature and Humidity Does the Rothmannia lujae Prefer?
Rothmannia lujae tolerates temperatures of 65–80°F. Rothmannia lujae 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 Rothmannia lujae?
Well-draining, acidic soil with high organic content like peat moss and pine bark. Good drainage is essential for Rothmannia lujae to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Rothmannia lujae?
Feed Rothmannia lujae 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 Rothmannia lujae?
Choose a spot with filtered sunlight or partial shade and well-draining, acidic soil with high organic content like peat moss and pine bark. Avoid low spots where water collects after rain.
Rothmannia lujae is suited to USDA Zone 13b.
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 Rothmannia lujae?
Rothmannia lujae can spread to about 3 ft (0.9 m) and reach about 4 ft (1 m) tall. Space plants about 3 ft (0.9 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 Rothmannia lujae?
Prune Rothmannia lujae 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 Rothmannia lujae in Winter?
Rothmannia lujae 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 Rothmannia lujae?
Rothmannia lujae can be propagated through softwood cuttings, air layering. Similar propagation techniques also apply to rothmannia annae plant care, which shares the same genus.
Is the Rothmannia lujae Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Rothmannia lujae, 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 Rothmannia lujae?
Rothmannia lujae is susceptible to aphids, scale insects, spider mites. 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 Rothmannia lujae Need?
Rothmannia lujae grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Rothmannia lujae is native to southern Nigeria, Equatorial Guinea, Gabon, western Cameroon, and into the Democratic Republic of Congo (Kinshasa). In cooler regions, grow Rothmannia lujae as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Rothmannia lujae 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 Rothmannia genus — compare its care with other Rothmannia species on PlantoScan.
Rothmannia is part of the Rubiaceae plant family — browse all Rubiaceae genera and species.
Rothmannia lujae 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: Rothmannia lujae (De Wild.) Keay, family Rubiaceae (first published in Bull. Jard. Bot. État Bruxelles 28: 53 (1958)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Rothmannia lujae, 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 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.
