Cinnamomum verum, known as Ceylon cinnamon or true cinnamon, is an aromatic evergreen shrub native to Sri Lanka that reaches 30 to 50 feet tall in tropical climates. This is the cinnamon that seasoned cooks prize for its complex, nuanced warmth compared to cassia varieties. Hardy in zones 10 to 12, it thrives in full sun to partial shade and reaches maturity from seed to bloom in about 65 days, though its greatest rewards come as the plant ages and the bark develops deeper flavor compounds. Young trees actually prefer partial shade to prevent leaf scorch, gradually acclimating to brighter light as they mature. Its dark grey-brown bark and leathery leaves create an ornamental presence while delivering the spice the world depends on.
Partial Sun
Moderate
10-12
600in H x 480in W
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High
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The creamy white to pale yellow flowers bloom in drooping clusters across the warm months, June through November, attracting pollinators while the plant handles drought, heavy shade, and even black walnut competition with ease. Deer leave it untouched, and it grows low-maintenance in containers or in-ground. The real draw for cinnamon lovers is that this species produces the most prized bark in the spice trade, with a flavor profile that's more refined and less harsh than its cassia cousin, rewarding patient growers in tropical and warm temperate regions.
Cinnamon bark is harvested and dried to create the spice used in desserts, baked goods, curries, rice dishes, beverages, and savory meat preparations. The bark strips, when properly aged and dried, develop the warm, slightly sweet flavor that distinguishes true cinnamon from cassia. Home growers can harvest and process their own bark, though patience is required as the plant must mature before bark stripping becomes practical.
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Start seeds indoors in warm conditions (70-85°F) and transplant seedlings once they have developed true leaves, hardening them off gradually before outdoor planting.
Transplant outdoors only after the danger of frost has completely passed and soil has warmed to at least 70°F. Harden off indoor-started plants by gradually exposing them to outdoor light and temperature over 7-10 days. Space plants 12 inches apart.
Bark harvesting is typically performed on mature plants after several years of growth, once the trunk reaches a suitable diameter. The inner bark is the source of cinnamon spice; carefully strip bark from branches and allow it to dry, where it naturally curls into quills. Harvest in late summer or early fall when bark peels most easily from the wood.
Prune cinnamon as needed to shape the plant and encourage branching. Young plants benefit from light pruning to develop a fuller bush form. Remove any damaged or diseased growth immediately, and thin crowded interior branches to improve air circulation and reduce disease pressure.
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“Cinnamomum verum originates from Sri Lanka, where it has been cultivated for centuries and remains the island's signature spice export. This species spread to other tropical regions through global trade networks, becoming a cornerstone of colonial spice commerce. Today it continues to be grown commercially across tropical and subtropical zones worldwide, preserving centuries of cultivation knowledge while remaining a benchmark for authentic cinnamon flavor.”