Cardamom is a spice. The part of the cardamom plant used in cooking is the seed pod and the seeds inside it, and by botanical definition, spices come from seeds, roots, fruits, flowers, or bark. Herbs, by contrast, come specifically from the leaves of non-woody plants. Since cardamom is harvested for its fruit capsules and aromatic seeds rather than its leaves, it falls squarely in the spice category.
What Makes Something a Herb vs. a Spice
The distinction between herbs and spices isn’t about intensity of flavor or where a plant grows. It comes down to which part of the plant you’re using. Herbs are the leaves of herbaceous (non-woody) plants: basil, cilantro, parsley, mint. Spices come from every other plant part: seeds, roots, flowers, fruits, and bark. Cinnamon is bark. Cloves are flower buds. Ginger is a root. Cardamom is a fruit containing seeds.
Some plants qualify as both. Cilantro is the herb (leaves) of the same plant that produces coriander, the spice (seeds). Dill works the same way. Cardamom’s leaves are actually fragrant and sometimes grown as ornamentals, but they aren’t used as a culinary ingredient. The commercially traded product is always the pod and its seeds, making cardamom purely a spice in kitchen terms.
The Cardamom Plant
Cardamom belongs to the ginger family (Zingiberaceae), making it a botanical relative of ginger and turmeric. There are two main types. Green cardamom (Elettaria cardamomum) produces small, light green pods about three-quarters of an inch long, each containing 15 to 20 tiny aromatic seeds. Black cardamom (Amomum subulatum) has larger, dark brown pods with a distinctly smoky flavor.
Green cardamom pods are handpicked before they fully ripen to prevent the capsule from splitting open and losing the valuable seeds inside. Black cardamom is harvested later and dried over large open fires, which gives it that characteristic camphor and smoke quality. The two types are not interchangeable in recipes.
Why It’s the Third Most Expensive Spice
Cardamom ranks as the third most expensive spice by weight, behind saffron and vanilla. That price reflects the labor-intensive harvest: each pod must be picked by hand at precisely the right moment. Global production in 2023 totaled roughly 268 million kilograms, with Guatemala producing the most at about 95 million kilograms (43% of the world supply). India came second at 54 million kilograms, followed by Indonesia at nearly 44 million kilograms.
Flavor Profile and Culinary Uses
Cardamom’s flavor is hard to pin down because it’s genuinely complex. It registers as sweet, peppery, citrusy, minty, and floral all at once. The essential oil in green cardamom is dominated by two compounds: one that contributes a sweet, warm aroma (making up roughly 29 to 46% of the oil) and another that adds a sharper, musky, almost eucalyptus-like quality (about 26 to 55% of the oil). That chemical complexity is why cardamom works in both savory and sweet dishes.
In Indian cooking, whole green pods go into rice dishes like biryani (typically four pods per batch) and are a key ingredient in garam masala. In the Middle East, ground cardamom is added generously to Arabic coffee. Scandinavian and Finnish baking traditions rely on it heavily: the Finnish sweet bread pulla, Scandinavian Christmas bread julekake, and Russian spice cookies called pryaniki all feature cardamom as a signature flavor. It shows up in Indian desserts like kheer (rice pudding) and Egyptian bread pudding (om ali), and it flavors custards, confections, and even wines.
Black cardamom serves a different purpose. Its smoky, camphor-forward flavor suits slow-cooked meat dishes and hearty stews rather than baked goods or desserts.
Whole Pods vs. Ground Cardamom
Whole cardamom pods stored in an airtight container in a cool, dry place can last three to four years, though they gradually lose potency over that time. If your green pods have faded from their original vibrant color to a pale, washed-out look, they’re past their prime. Ground cardamom loses its flavor much faster because the volatile oils evaporate once the seeds are crushed and exposed to air.
For the strongest flavor, buy whole pods and crush or grind the seeds yourself right before cooking. The papery outer husk is edible but doesn’t contribute much flavor. In dishes where you add whole pods (like rice or stews), you can lightly crush the pod to release the seeds while keeping everything in one piece for easy removal later. Temperature, light, humidity, and air exposure are the main enemies of freshness for either form.
Potential Health Benefits
Beyond flavor, cardamom has a long history in traditional medicine, and clinical research has started to investigate some of those uses. In one trial, women with prediabetes who took 3 grams of cardamom daily for eight weeks showed measurable reductions in markers of inflammation and oxidative stress compared to a placebo group. A separate trial using the same daily dose over three months in people with fatty liver disease found decreases in several inflammatory markers along with improvements in liver function.
Cardamom has also demonstrated antioxidant, blood-pressure-lowering, and cholesterol-modifying properties in studies. Its traditional use for digestive discomfort has some scientific backing as well, though clinical evidence for that specific application is less developed than for its anti-inflammatory effects.