Sannantha bidwillii Plant Care
Sannantha bidwillii (A.R.Bean) Peter G.Wilson
Updated · Sources · How we source care data
Sannantha bidwillii is a species in the myrtle family, Myrtaceae, and is endemic to coastal Queensland in Australia. It is a shrub or tree with elliptic to egg-shaped leaves with the narrower end towards the base, and clusters of 3 white flowers.
Every 7–10 days
Full sun to partial shade
60–80°F
50–70%
At a glance
How do you care for Sannantha bidwillii?
Plant Sannantha bidwillii in full sun to partial shade (USDA zones 13a) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 60–80°F (16–27°C). Fertilize it every 6 months during the growing season.
Where Is the Sannantha bidwillii Native To?
What Is the Sannantha bidwillii?
Sannantha bidwillii (Sannantha bidwillii) belongs to the Myrtaceae family within the Sannantha genus. Sannantha bidwillii is native to coastal Queensland in Australia.
Sannantha bidwillii displays a compact, spreading shrub growth habit, reaching up to 3 ft tall with a spread of approximately 4 ft. Sannantha bidwillii produces small white or pink flowers in clusters.
Leaf size: approximately 2 inches.
How Often Should You Water a Sannantha bidwillii?
Water a young or newly planted Sannantha bidwillii 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 Sannantha bidwillii Need?
Sannantha bidwillii thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Sannantha bidwillii Prefer?
Sannantha bidwillii tolerates temperatures of 60–80°F. Sannantha bidwillii prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–80°F
Humidity
50–70%
What Soil Mix Works Best for a Sannantha bidwillii?
Well-draining, acidic soil with high organic matter content. Good drainage is essential for Sannantha bidwillii to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Sannantha bidwillii?
Feed Sannantha bidwillii 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 Sannantha bidwillii?
Choose a spot with full sun to partial shade and well-draining, acidic soil with high organic matter content. Avoid low spots where water collects after rain.
Sannantha bidwillii 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 Sannantha bidwillii?
Sannantha bidwillii can spread to about 4 ft (1.2 m) and reach about 3 ft (1 m) tall. Space plants about 4 ft (1.2 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 Sannantha bidwillii?
Prune Sannantha bidwillii 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 Sannantha bidwillii in Winter?
Sannantha bidwillii 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 Sannantha bidwillii?
Sannantha bidwillii can be propagated through seeds, softwood cuttings. Similar propagation techniques also apply to slender sannantha plant care, which shares the same genus.
Is the Sannantha bidwillii Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Sannantha bidwillii, 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 Sannantha bidwillii?
Sannantha bidwillii 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 Sannantha bidwillii Need?
Sannantha bidwillii grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Sannantha bidwillii is native to coastal Queensland in Australia. In cooler regions, grow Sannantha bidwillii as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Sannantha bidwillii 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 Sannantha genus — compare its care with other Sannantha species on PlantoScan.
Sannantha is part of the Myrtaceae plant family — browse all Myrtaceae genera and species.
Sannantha bidwillii thrives in bright light and direct sun — see other bright-light plants.
More Sannantha Species
Other Sannantha species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Sannantha bidwillii (A.R.Bean) Peter G.Wilson, family Myrtaceae (first published in Austral. Syst. Bot. 20: 314 (2007)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Sannantha bidwillii, 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.
