Corema conradii Plant Care
Corema conradii (Torr.) Torr. ex Loudon
Updated · Sources · How we source care data
Corema conradii is a species of flowering plant in the heath family known by the common name broom crowberry. It is native to eastern North America, where it has a disjunct distribution, occurring intermittently from Nova Scotia to Massachusetts, in the Shawangunk Mountains of New York, and in the Pine Barrens of New Jersey.
Every 7–10 days
Partial shade to full sun
50–75°F
40–60%
At a glance
How do you care for Corema conradii?
Plant Corema conradii in partial shade to full sun (USDA zones 12a) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 50–75°F (10–24°C). Fertilize it every 8 months during the growing season.
Where Is the Corema conradii Native To?
What Is the Corema conradii?
Corema conradii (Corema conradii) belongs to the Ericaceae family within the Corema genus. Corema conradii is native to eastern North America.
Corema conradii displays a low, spreading shrub growth habit, reaching up to 1.5 ft tall with a spread of approximately 3 ft. Corema conradii produces small white or pink bell-shaped flowers in clusters.
Leaf size: approximately 1.5 inches.
How Often Should You Water a Corema conradii?
Water a young or newly planted Corema conradii 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 Corema conradii Need?
Corema conradii thrives in partial shade to full sun.
Light Requirement
Partial shade to full sun
What Temperature and Humidity Does the Corema conradii Prefer?
Corema conradii tolerates temperatures of 50–75°F. Corema conradii prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Corema conradii?
Well-draining acidic soil mix with high organic content, such as peat moss and pine bark. Good drainage is essential for Corema conradii to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Corema conradii?
Feed Corema conradii every 8 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 8 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 Corema conradii?
Choose a spot with partial shade to full sun and well-draining acidic soil mix with high organic content, such as peat moss and pine bark. Avoid low spots where water collects after rain.
Corema conradii 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 Corema conradii?
Corema conradii can spread to about 3 ft (0.9 m) and reach about 2 ft (0 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 Corema conradii?
Prune Corema conradii 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 Corema conradii in Winter?
Corema conradii 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 Corema conradii?
Corema conradii can be propagated through seeds, softwood cuttings. Similar propagation techniques also apply to portuguese crowberry plant care, which shares the same genus.
Is the Corema conradii Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Corema conradii, 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 Corema conradii?
Corema conradii is susceptible to spider mites, scale insects, aphids. 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 Corema conradii Need?
Corema conradii grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Corema conradii is native to eastern North America. In cooler regions, grow Corema conradii as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Corema conradii 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 Corema genus — compare its care with other Corema species on PlantoScan.
Corema is part of the Ericaceae plant family — browse all Ericaceae genera and species.
Corema conradii 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: Corema conradii (Torr.) Torr. ex Loudon, family Ericaceae (first published in Encycl. Trees Shrubs : 1092 (1842)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Corema conradii, 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.
