Obovate Leaf Philotheca Plant Care
Philotheca obovatifolia (Bayly) P.I.Forst.
Updated · Sources · How we source care data
Philotheca obovatifolia, commonly known as mountain wax-flower, is a species of flowering plant in the family Rutaceae and is endemic to eastern Australia. It is a small shrub with broadly egg-shaped leaves with the narrower end toward the base and densely crowded near the ends of the glandular-warty branchlets, and cream-coloured flowers tinged with pink and arranged singly or in groups of up to five in leaf axils.
Every 7–10 days
Bright indirect light
60–75°F
40–60%
At a glance
How do you care for Obovate Leaf Philotheca?
Plant Obovate Leaf Philotheca in bright indirect light (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.
Where Is the Obovate Leaf Philotheca Native To?
What Is the Obovate Leaf Philotheca?
Obovate Leaf Philotheca (Philotheca obovatifolia) belongs to the Rutaceae family within the Philotheca genus. Obovate Leaf Philotheca is native to eastern Australia.
Obovate Leaf Philotheca displays a compact, bushy shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Obovate Leaf Philotheca produces small, star-shaped flowers in white or pink clusters.
Leaf size: approximately 3 inches.
How Often Should You Water a Obovate Leaf Philotheca?
Water a young or newly planted Obovate Leaf Philotheca 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 Obovate Leaf Philotheca Need?
Obovate Leaf Philotheca thrives in bright indirect light. Avoid placing Obovate Leaf Philotheca in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Obovate Leaf Philotheca Prefer?
Philotheca obovatifolia tolerates temperatures of 60–75°F. Obovate Leaf Philotheca prefers humidity levels of 40–60%.
Temperature
60–75°F
Humidity
40–60%
What Soil Mix Works Best for a Obovate Leaf Philotheca?
Well-draining, slightly acidic soil with added organic matter like compost. Good drainage is essential for Obovate Leaf Philotheca to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Obovate Leaf Philotheca?
Feed Obovate Leaf Philotheca 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 Obovate Leaf Philotheca?
Choose a spot with bright indirect light and well-draining, slightly acidic soil with added organic matter like compost. Avoid low spots where water collects after rain.
Obovate Leaf Philotheca 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 Obovate Leaf Philotheca?
Obovate Leaf Philotheca 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 Obovate Leaf Philotheca?
Prune Obovate Leaf Philotheca 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 Obovate Leaf Philotheca in Winter?
Obovate Leaf Philotheca 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 Obovate Leaf Philotheca?
Obovate Leaf Philotheca can be propagated through softwood cuttings, seeds. Similar propagation techniques also apply to philotheca acrolopha plant care, which shares the same genus.
Is the Obovate Leaf Philotheca Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Obovate Leaf Philotheca, 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 Obovate Leaf Philotheca?
Obovate Leaf Philotheca 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 Obovate Leaf Philotheca Need?
Obovate Leaf Philotheca grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Obovate Leaf Philotheca is native to eastern Australia. In cooler regions, grow Obovate Leaf Philotheca as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Obovate Leaf Philotheca 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 Philotheca genus — compare its care with other Philotheca species on PlantoScan.
Philotheca is part of the Rutaceae plant family — browse all Rutaceae genera and species.
Obovate Leaf Philotheca thrives in bright light and direct sun — see other bright-light plants.
More Philotheca Species
Other Philotheca species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Philotheca obovatifolia (Bayly) P.I.Forst., family Rutaceae (first published in Austrobaileya 7: 179 (2005)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Obovate Leaf Philotheca, 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.
