Scaly Petrophile Plant Care
Petrophile squamata R.Br.
Updated · Sources · How we source care data
Petrophile squamata is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a shrub usually with deeply divided, three-lobed and sharply-pointed leaves, and oval heads of hairy yellow or creamy-yellow flowers.
Every 7–14 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Scaly Petrophile?
Plant Scaly Petrophile 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 Scaly Petrophile Native To?
What Is the Scaly Petrophile?
Scaly Petrophile (Petrophile squamata) belongs to the Proteaceae family within the Petrophile genus. Scaly Petrophile is native to the south-west of Western Australia.
Scaly Petrophile displays an upright, bushy shrub growth habit, reaching up to 4 ft tall with a spread of approximately 3 ft. Scaly Petrophile produces small, colorful flowers in clusters.
Leaf size: approximately 3 inches.
How Often Should You Water a Scaly Petrophile?
Water a young or newly planted Scaly Petrophile 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 Scaly Petrophile Need?
Scaly Petrophile thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Scaly Petrophile Prefer?
Petrophile squamata tolerates temperatures of 50–80°F. Scaly Petrophile prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Scaly Petrophile?
Well-draining sandy soil with added organic matter for nutrients. Good drainage is essential for Scaly Petrophile to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Scaly Petrophile?
Feed Scaly Petrophile 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 Scaly Petrophile?
Choose a spot with full sun to partial shade and well-draining sandy soil with added organic matter for nutrients. Avoid low spots where water collects after rain.
Scaly Petrophile 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 Scaly Petrophile?
Scaly Petrophile 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 Scaly Petrophile?
Prune Scaly Petrophile 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 Scaly Petrophile in Winter?
Scaly Petrophile 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 Scaly Petrophile?
Scaly Petrophile can be propagated through seeds, cuttings. Similar propagation techniques also apply to prickly conesticks plant care, which shares the same genus.
Is the Scaly Petrophile Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Scaly Petrophile, 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 Scaly Petrophile?
Scaly Petrophile 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 Scaly Petrophile Need?
Scaly Petrophile grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Scaly Petrophile is native to the south-west of Western Australia. In cooler regions, grow Scaly Petrophile as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Scaly Petrophile 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 Petrophile genus — compare its care with other Petrophile species on PlantoScan.
Petrophile is part of the Proteaceae plant family — browse all Proteaceae genera and species.
Scaly Petrophile thrives in bright light and direct sun — see other bright-light plants.
More Petrophile Species
Other Petrophile species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Petrophile squamata R.Br., family Proteaceae (first published in Trans. Linn. Soc. London 10: 70 (1810)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Scaly Petrophile, 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.
