Cyclophyllum coprosmoides Plant Care
Cyclophyllum coprosmoides (F.Muell.) S.T.Reynolds & R.J.F.Hend.
Updated · Sources · How we source care data
Cyclophyllum coprosmoides , also known as coast canthium, supple jack, and sweet susie, is a shrub or tree occurring in eastern Australia. It is commonly seen growing in a variety of different rainforest situations, from Jervis Bay in New South Wales to the islands of the Torres Strait.
Every 7–10 days
Bright indirect light
65–80°F
50–70%
At a glance
How do you care for Cyclophyllum coprosmoides?
Plant Cyclophyllum coprosmoides in bright indirect light (USDA zones 13b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 65–80°F (18–27°C). Fertilize it every 6 months during the growing season.
What Is the Cyclophyllum coprosmoides?
Cyclophyllum coprosmoides (Cyclophyllum coprosmoides) belongs to the Rubiaceae family within the Cyclophyllum genus.
Cyclophyllum coprosmoides displays a compact, bushy shrub growth habit, reaching up to 2.5 ft tall with a spread of approximately 2.5 ft. Cyclophyllum coprosmoides produces small, white, fragrant flowers in clusters.
Leaf size: approximately 4 inches.
How Often Should You Water a Cyclophyllum coprosmoides?
Water a young or newly planted Cyclophyllum coprosmoides 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 Cyclophyllum coprosmoides Need?
Cyclophyllum coprosmoides thrives in bright indirect light. Avoid placing Cyclophyllum coprosmoides in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Cyclophyllum coprosmoides Prefer?
Cyclophyllum coprosmoides tolerates temperatures of 65–80°F. Cyclophyllum coprosmoides prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–80°F
Humidity
50–70%
What Soil Mix Works Best for a Cyclophyllum coprosmoides?
Well-draining, acidic soil with high organic matter content. Good drainage is essential for Cyclophyllum coprosmoides to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Cyclophyllum coprosmoides?
Feed Cyclophyllum coprosmoides 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 Cyclophyllum coprosmoides?
Choose a spot with bright indirect light and well-draining, acidic soil with high organic matter content. Avoid low spots where water collects after rain.
Cyclophyllum coprosmoides is suited to USDA Zone 13b.
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 Cyclophyllum coprosmoides?
Cyclophyllum coprosmoides can spread to about 3 ft (0.8 m) and reach about 3 ft (1 m) tall. Space plants about 3 ft (0.8 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 Cyclophyllum coprosmoides?
Prune Cyclophyllum coprosmoides 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 Cyclophyllum coprosmoides in Winter?
Cyclophyllum coprosmoides 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 Cyclophyllum coprosmoides?
Cyclophyllum coprosmoides can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to bearded cyclophyllum plant care, which shares the same genus.
Is the Cyclophyllum coprosmoides Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Cyclophyllum coprosmoides, 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 Cyclophyllum coprosmoides?
Cyclophyllum coprosmoides is susceptible to spider mites, mealybugs, 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 Cyclophyllum coprosmoides Need?
Cyclophyllum coprosmoides grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. In cooler regions, grow Cyclophyllum coprosmoides as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Cyclophyllum coprosmoides 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 Cyclophyllum genus — compare its care with other Cyclophyllum species on PlantoScan.
Cyclophyllum is part of the Rubiaceae plant family — browse all Rubiaceae genera and species.
Cyclophyllum coprosmoides thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Cyclophyllum coprosmoides (F.Muell.) S.T.Reynolds & R.J.F.Hend., family Rubiaceae (first published in Austrobaileya 6: 46 (2001)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Cyclophyllum coprosmoides, 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 13b, 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.
