Hypericum annulatum subsp. afromontanum Plant Care
Hypericum annulatum subsp. afromontanum (Bullock) N.Robson
Updated · Sources · How we source care data
This rare plant is easily identified by its vibrant yellow flowers that contrast beautifully against its dark green, lance-shaped leaves. Originating from the mountainous regions of Africa, Hypericum annulatum subsp. afromontanum is highly sought after by plant collectors for its unique appearance and ability to thrive in challenging conditions.
Every 7–10 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Hypericum annulatum subsp. afromontanum?
Plant Hypericum annulatum subsp. afromontanum in full sun to partial shade (USDA zones 12a) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 50–80°F (10–27°C). Fertilize it every 6 months during the growing season.
Where Is the Hypericum annulatum subsp. afromontanum Native To?
What Is the Hypericum annulatum subsp. afromontanum?
Hypericum annulatum subsp. afromontanum (Hypericum annulatum subsp. afromontanum) belongs to the Hypericaceae family within the Hypericum genus. Hypericum annulatum subsp. afromontanum is native to Ethiopia, Kenya, Tanzania and Uganda.
Hypericum annulatum subsp. afromontanum displays an upright, bushy shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Hypericum annulatum subsp. afromontanum produces bright yellow, star-shaped flowers with prominent stamens.
Leaf size: approximately 4 inches.
How Often Should You Water a Hypericum annulatum subsp. afromontanum?
Water a young or newly planted Hypericum annulatum subsp. afromontanum 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 Hypericum annulatum subsp. afromontanum Need?
Hypericum annulatum subsp. afromontanum thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Hypericum annulatum subsp. afromontanum Prefer?
Hypericum annulatum subsp. afromontanum tolerates temperatures of 50–80°F. Hypericum annulatum subsp. afromontanum prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Hypericum annulatum subsp. afromontanum?
Well-draining loamy soil with added organic matter for moisture retention. Good drainage is essential for Hypericum annulatum subsp. afromontanum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Hypericum annulatum subsp. afromontanum?
Feed Hypericum annulatum subsp. afromontanum 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 Hypericum annulatum subsp. afromontanum?
Choose a spot with full sun to partial shade and well-draining loamy soil with added organic matter for moisture retention. Avoid low spots where water collects after rain.
Hypericum annulatum subsp. afromontanum is suited to USDA Zone 12a.
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 Hypericum annulatum subsp. afromontanum?
Hypericum annulatum subsp. afromontanum 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 Hypericum annulatum subsp. afromontanum?
Prune Hypericum annulatum subsp. afromontanum 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 Hypericum annulatum subsp. afromontanum in Winter?
Hypericum annulatum subsp. afromontanum is frost-tender (hardy to USDA zone 12). 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 Hypericum annulatum subsp. afromontanum?
Hypericum annulatum subsp. afromontanum can be propagated through softwood cuttings, seeds. Similar propagation techniques also apply to addington's st. john's wort plant care, which shares the same genus.
Is the Hypericum annulatum subsp. afromontanum Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Hypericum annulatum subsp. afromontanum, 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 Hypericum annulatum subsp. afromontanum?
Hypericum annulatum subsp. afromontanum 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 Hypericum annulatum subsp. afromontanum Need?
Hypericum annulatum subsp. afromontanum grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Hypericum annulatum subsp. afromontanum is native to Ethiopia, Kenya, Tanzania and Uganda. In cooler regions, grow Hypericum annulatum subsp. afromontanum as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Hypericum annulatum subsp. afromontanum 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 Hypericum genus — compare its care with other Hypericum species on PlantoScan.
Hypericum is part of the Hypericaceae plant family — browse all Hypericaceae genera and species.
Hypericum annulatum subsp. afromontanum thrives in bright light and direct sun — see other bright-light plants.
More Hypericum Species
Other Hypericum species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Hypericum annulatum subsp. afromontanum (Bullock) N.Robson, family Hypericaceae (first published in Bull. Nat. Hist. Mus. (London), Bot. 23: 69 (1993)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Hypericum annulatum subsp. afromontanum, 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.
