Cyclophyllum longipetalum Plant Care
Cyclophyllum longipetalum S.T.Reynolds & R.J.F.Hend.
Updated · Sources · How we source care data
Cyclophyllum longipetalum, known as the coast canthium is a shrub or tree occurring in eastern Australia. Commonly seen growing in a variety of different rainforest situations.
Every 7–10 days
Bright indirect light
65–80°F
50–70%
At a glance
How do you care for Cyclophyllum longipetalum?
Plant Cyclophyllum longipetalum 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 longipetalum?
Cyclophyllum longipetalum (Cyclophyllum longipetalum) belongs to the Rubiaceae family within the Cyclophyllum genus.
Cyclophyllum longipetalum displays a compact, bushy shrub growth habit, reaching up to 2.5 ft tall with a spread of approximately 2.5 ft. Cyclophyllum longipetalum produces small, white, fragrant flowers in clusters.
Leaf size: approximately 4 inches.
How Often Should You Water a Cyclophyllum longipetalum?
Water a young or newly planted Cyclophyllum longipetalum 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 longipetalum Need?
Cyclophyllum longipetalum thrives in bright indirect light. Avoid placing Cyclophyllum longipetalum 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 longipetalum Prefer?
Cyclophyllum longipetalum tolerates temperatures of 65–80°F. Cyclophyllum longipetalum 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 longipetalum?
Well-draining, acidic soil with high organic matter content. Good drainage is essential for Cyclophyllum longipetalum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Cyclophyllum longipetalum?
Feed Cyclophyllum longipetalum 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 longipetalum?
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 longipetalum 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 longipetalum?
Cyclophyllum longipetalum 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 longipetalum?
Prune Cyclophyllum longipetalum 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 longipetalum in Winter?
Cyclophyllum longipetalum 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 longipetalum?
Cyclophyllum longipetalum 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 longipetalum Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Cyclophyllum longipetalum, 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 longipetalum?
Cyclophyllum longipetalum 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 longipetalum Need?
Cyclophyllum longipetalum grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. In cooler regions, grow Cyclophyllum longipetalum as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Cyclophyllum longipetalum 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 longipetalum 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 longipetalum S.T.Reynolds & R.J.F.Hend., family Rubiaceae (first published in Austrobaileya 6: 52 (2001)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Cyclophyllum longipetalum, 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.
