Baxter's Conebush Plant Care
Isopogon baxteri R.Br.
Updated · Sources · How we source care data
Isopogon baxteri, commonly known as the Stirling Range coneflower, is a species of plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an erect shrub with wedge-shaped, often 3-lobed, toothed leaves and flattened spherical heads of hairy pink flowers.
Every 7–14 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Baxter's Conebush?
Plant Baxter's Conebush 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 Baxter's Conebush Native To?
What Is the Baxter's Conebush?
Baxter's Conebush (Isopogon baxteri) belongs to the Proteaceae family within the Isopogon genus. Baxter's Conebush is native to the south-west of Western Australia.
Baxter's Conebush displays a compact shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Baxter's Conebush produces small, colorful cylindrical flowers in clusters.
Leaf size: approximately 4 inches.
How Often Should You Water a Baxter's Conebush?
Water a young or newly planted Baxter's Conebush 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 Baxter's Conebush Need?
Baxter's Conebush thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Baxter's Conebush Prefer?
Isopogon baxteri tolerates temperatures of 50–80°F. Baxter's Conebush prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Baxter's Conebush?
Well-draining, acidic soil mix with added sand and perlite. Good drainage is essential for Baxter's Conebush to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Baxter's Conebush?
Feed Baxter's Conebush 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 Baxter's Conebush?
Choose a spot with full sun to partial shade and well-draining, acidic soil mix with added sand and perlite. Avoid low spots where water collects after rain.
Baxter's Conebush 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 Baxter's Conebush?
Baxter's Conebush 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 Baxter's Conebush?
Prune Baxter's Conebush 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 Baxter's Conebush in Winter?
Baxter's Conebush 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 Baxter's Conebush?
Baxter's Conebush can be propagated through seeds, cuttings. Similar propagation techniques also apply to adenanthos-leaved conebush plant care, which shares the same genus.
Is the Baxter's Conebush Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Baxter's Conebush, 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 Baxter's Conebush?
Baxter's Conebush is susceptible to aphids, scale insects. 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 Baxter's Conebush Need?
Baxter's Conebush grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Baxter's Conebush is native to the south-west of Western Australia. In cooler regions, grow Baxter's Conebush as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Baxter's Conebush 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 Isopogon genus — compare its care with other Isopogon species on PlantoScan.
Isopogon is part of the Proteaceae plant family — browse all Proteaceae genera and species.
Baxter's Conebush thrives in bright light and direct sun — see other bright-light plants.
More Isopogon Species
Other Isopogon species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Isopogon baxteri R.Br., family Proteaceae (first published in Suppl. Prodr. Fl. Nov. Holl. : 9 (1830)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Baxter's Conebush, 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.
