Pimenta dioica Seeds | Allspice
LATIN NAME: Pimenta dioica
COMMON NAME: Allspice
Plant Profile
Allspice (Pimenta dioica) is an evergreen tree of the myrtle family (Myrtaceae), native to the West Indies and Central America. It reaches 9-18 m, with glossy, leathery, clove-scented leaves and clusters of small white flowers followed by pea-sized green berries ripening purple. The dried unripe berries are allspice, so named because their flavour suggests a blend of cinnamon, clove and nutmeg; Jamaica is the historic centre of production.
Science & Biotechnology
Allspice — the only major spice still grown almost entirely in its native New World — tastes like clove, cinnamon and nutmeg fused because its chemistry says so: the berry oil is dominated by eugenol, with caryophyllene and methyleugenol. Eugenol’s antiseptic and analgesic actions (it remains a dental standard) underwrite allspice’s folk use for toothache and digestion. The dried leaves scent Caribbean cooking and jerk seasoning. It is a handsome evergreen for the frost-free garden, and one of the few spice trees that fruits well in a large conservatory.
Pimenta dioica sits in the Pimenta group, a group that keeps botanists, horticulturists and plant breeders busy with questions of classification, adaptation and ornamental potential. Its essential oil has also been studied for antimicrobial properties relevant to natural food preservation. The practical point for growers is that this plant has been observed in gardens for so long that its behaviour holds few surprises.
Uses & Benefits
In the garden, Allspice earns its place in borders, containers and mixed plantings, and it also rewards growers who raise plants for cutting, drying or kitchen use. Allspice is a foundational spice in Caribbean cooking, most famously in Jamaican jerk seasoning, and is also a key component of European pickling spice blends and a range of baked goods and mulled beverages worldwide. Historically, allspice was an important item in colonial-era spice trade, and it remains a significant agricultural export for several Caribbean and Central American producing countries today. Beyond the establishment year, its needs are simple and few.
Allspice and its kin are eugenol-rich warming spices and traditional Caribbean digestives; pimento oil is a classic flavor and liniment ingredient.
Growing from Seed
Seed is the natural starting point for Allspice, and the process is uncomplicated. Fresh seed is best, since viability drops considerably once dried; sow it into a loose, free-draining tropical mix and keep it warm and consistently moist. Bright, filtered light suits young tree well, and given its origin as an understorey species in Caribbean forest, some protection from harshest midday sun benefits seedlings during establishment. Level a tray of loose seed compost, sow evenly, cover to about the seed’s own depth, and keep it moist in full light. Pot the young plants on as they grow, harden them off gradually, and plant them into their final positions when sturdy.
Our Take
This is a nice option for anyone growing food plants with some novelty, and Allspice fits that brief well. It is not a demanding plant once the basic germination steps above are followed.
Related Reading
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