
Image: AI generated
Carolina Allspice Plant Care
Calycanthus floridus L.
Updated · Sources · How we source care data
Calycanthus floridus, or commonly known as the eastern sweetshrub, Carolina allspice, or spicebush, is a species of flowering shrub in the family Calycanthaceae. It is identifiable by its dark red flowers and fragrant scent.
Every 4–7 days
Partial shade to full sun
20–90°F
40–70%
At a glance
How do you care for Carolina Allspice?
Plant Carolina Allspice in partial shade to full sun (USDA zones 9a) and water a young tree every 4–7 days until it is established. It tolerates temperatures of 20–90°F (-7–32°C). Fertilize it every 6 months during the growing season.
Where Is the Carolina Allspice Native To?
What Is the Carolina Allspice?
Carolina Allspice (Calycanthus floridus) belongs to the Calycanthaceae family within the Calycanthus genus. Carolina Allspice is native to the Southeastern United States. Carolina Allspice is also known as Sweetshrub, Eastern Sweetshrub, Strawberry Bush.
Carolina Allspice displays an upright, spreading shrub growth habit, reaching up to 8 ft tall with a spread of approximately 10 ft. Carolina Allspice produces fragrant, spiky red or burgundy flowers.
Leaf size: approximately 6 inches.
How Often Should You Water a Carolina Allspice?
Water a young or newly planted Carolina Allspice every 4–7 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 4–7 days
Until established; then in dry spells
What Light Does the Carolina Allspice Need?
Carolina Allspice thrives in partial shade to full sun.
Light Requirement
Partial shade to full sun
What Temperature and Humidity Does the Carolina Allspice Prefer?
Calycanthus floridus tolerates temperatures of 20–90°F. Carolina Allspice prefers humidity levels of 40–70%.
Temperature
20–90°F
Humidity
40–70%
What Soil Mix Works Best for a Carolina Allspice?
Rich, moist, well-draining soil with high organic content. Good drainage is essential for Carolina Allspice to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Carolina Allspice?
Feed Carolina Allspice every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees 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 Carolina Allspice?
Choose a spot with partial shade to full sun and rich, moist, well-draining soil with high organic content. Avoid low spots where water collects after rain.
Carolina Allspice is suited to USDA Zone 9a.
Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Carolina Allspice?
Carolina Allspice can spread to about 10 ft (3 m) and reach about 8 ft (2 m) tall. Space plants about 10 ft (3 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 tree spacing calculator.
How Do You Prune a Carolina Allspice?
Prune Carolina Allspice 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 tree in one year.
How Do You Care for a Carolina Allspice in Winter?
Carolina Allspice is frost-tender (hardy to USDA zone 9). 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 Carolina Allspice?
Carolina Allspice can be propagated through softwood cuttings, seeds.
Is the Carolina Allspice Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Carolina Allspice, 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 Carolina Allspice?
Carolina Allspice 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 Carolina Allspice Need?
Carolina Allspice grows outdoors in USDA Zone 9a. It survives winters down to planting zone 9a. Carolina Allspice is native to the Southeastern United States. In cooler regions, grow Carolina Allspice as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 9a
Keep exploring plants
Carolina Allspice 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 Calycanthus genus — compare its care with other Calycanthus species on PlantoScan.
Calycanthus is part of the Calycanthaceae plant family — browse all Calycanthaceae genera and species.
Carolina Allspice 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: Calycanthus floridus L., family Calycanthaceae (first published in Syst. Nat. ed. 10 , 2: 1066 (1759)) — World Flora Online record, IPNI name record, Wikidata.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Carolina Allspice, 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.
- Photo: AI-generated illustration (labelled on the image).
- Hardiness zone: USDA Zone 9a, 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.
