Three-lobed Bush-pea Plant Care
Pultenaea trifida J.M.Black
Updated · Sources · How we source care data
Pultenaea trifida, commonly known as Kangaroo Island bush-pea, is a species of flowering plant in the family Fabaceae and is endemic to Kangaroo Island in South Australia. It is an erect to prostrate shrub with hairy branches, egg-shaped to more or less round leaves, and relatively few yellow to orange and red, pea-like flowers.
Every 7–14 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Three-lobed Bush-pea?
Plant Three-lobed Bush-pea in full sun to partial shade (USDA zones 12a) and water a young shrub every 7–14 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 Three-lobed Bush-pea Native To?
What Is the Three-lobed Bush-pea?
Three-lobed Bush-pea (Pultenaea trifida) belongs to the Fabaceae family within the Pultenaea genus. Three-lobed Bush-pea is native to Kangaroo Island in South Australia.
Three-lobed Bush-pea displays an upright shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Three-lobed Bush-pea produces small yellow pea-like flowers in clusters.
Leaf size: approximately 4 inches.
How Often Should You Water a Three-lobed Bush-pea?
Water a young or newly planted Three-lobed Bush-pea every 7–14 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 7–14 days
Until established; then in dry spells
What Light Does the Three-lobed Bush-pea Need?
Three-lobed Bush-pea thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Three-lobed Bush-pea Prefer?
Pultenaea trifida tolerates temperatures of 50–80°F. Three-lobed Bush-pea prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Three-lobed Bush-pea?
Well-draining sandy loam with added organic matter. Good drainage is essential for Three-lobed Bush-pea to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Three-lobed Bush-pea?
Feed Three-lobed Bush-pea 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 Three-lobed Bush-pea?
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.
Three-lobed Bush-pea 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 Three-lobed Bush-pea?
Three-lobed Bush-pea 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 Three-lobed Bush-pea?
Prune Three-lobed Bush-pea 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 Three-lobed Bush-pea in Winter?
Three-lobed Bush-pea 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 Three-lobed Bush-pea?
Three-lobed Bush-pea can be propagated through seeds, cuttings. Similar propagation techniques also apply to needle bush-pea plant care, which shares the same genus.
Is the Three-lobed Bush-pea Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Three-lobed Bush-pea, 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 Three-lobed Bush-pea?
Three-lobed Bush-pea is susceptible to aphids, caterpillars, 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 Three-lobed Bush-pea Need?
Three-lobed Bush-pea grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Three-lobed Bush-pea is native to Kangaroo Island in South Australia. In cooler regions, grow Three-lobed Bush-pea as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Three-lobed Bush-pea 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 Pultenaea genus — compare its care with other Pultenaea species on PlantoScan.
Pultenaea is part of the Fabaceae plant family — browse all Fabaceae genera and species.
Three-lobed Bush-pea thrives in bright light and direct sun — see other bright-light plants.
More Pultenaea Species
Other Pultenaea species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Pultenaea trifida J.M.Black, family Fabaceae (first published in Trans. & Proc. Rep. Roy. Soc. South Australia 33: 224 (1909)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Three-lobed Bush-pea, 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.
