Cilantro

Two crops in one plant: fresh cilantro leaves in cool weather, then coriander seed when it bolts - and it bolts fast, so sow little and often.

Direct-sow in cool soil, never transplant, thin lightly, and resow every two weeks.

Always direct-sow cilantro — it has a taproot and resents transplanting, bolting almost on cue if its roots are disturbed. Sow seed 1/2 inch deep into cool soil (55-70°F is ideal); gently crushing the round seed capsule between your fingers first speeds and evens germination. It sprouts in cool ground a couple of weeks before the last frost and handles a light freeze.

For a leaf crop, sow thickly and barely thin; for seed, give plants 4-6 inches. The single most useful habit is succession sowing every 10-14 days in spring and fall, because any one planting bolts within weeks once warmth arrives. Afternoon shade and steady moisture buy a little extra leaf time.

Keep it cool and evenly watered - heat and drought are both bolt triggers - and cut leaves often.

Cilantro care is really bolt management. The two things that push it to flower are heat and stress, so keep the soil consistently moist (drought is a fast bolt trigger) and give afternoon shade as the season warms. Frequent leaf cutting delays flowering a little, and slow-bolt varieties (Santo, Calypso, Cruiser) buy real time.

Don't over-fertilize; a light feeding is plenty for a fast leaf crop. Once the plant sends up its lacy flower stalk, accept that the leaf harvest is finishing and switch your goal to seed — or pull it and drop in the next succession sowing.

Cut outer leaves at 6 inches for a rolling harvest; for coriander, gather seed heads when ~60% turn tan.

For leaves: start cutting once plants reach about 6 inches, taking the broad outer sprigs and leaving the central growing point. Harvest in the morning for the strongest aroma, and use it fresh — cilantro's flavor fades fast when cooked or dried. Before the plant bolts, the flat lower leaves are the good ones; the feathery upper leaves that appear at bolting are milder.

For coriander seed: let the plant flower and set its round green capsules. Harvest when about 60% have dried to tan — snip whole heads into a paper bag before they shatter, finish drying indoors a week, then rub the seeds free. Keep some for the spice jar, some to resow.

Store leaves like a bouquet in the fridge, or freeze into oil cubes; dried coriander seed keeps for years.

Fresh cilantro leaves are fragile. The best keeper is the bouquet method: stand the stems in a glass of water, tent loosely with a bag, and refrigerate — good for one to two weeks. Or wrap washed, dried sprigs in a paper towel inside a bag. Drying leaves loses almost all their flavor; instead freeze chopped cilantro in oil or water in ice-cube trays for cooking, or blend into a freezer chutney.

Coriander seed, by contrast, is a proper pantry spice: fully dried, stored airtight and dark, it stays fragrant for two to three years (and toasting it just before grinding wakes it up). The same seed remains viable for planting for about the same window.

The classic self-sower: let a few seed heads drop and you'll never buy seed again.

Cilantro is one of the easiest plants to keep going forever, because seed-saving and propagation are the same act. Let one or two plants bolt, flower, and set seed; harvest most of the round capsules for cooking and replanting, and simply let a few heads shatter and drop where they stand. Undisturbed, that fallen seed sprouts a self-sown patch the next cool season — many gardeners never deliberately sow cilantro again after the first year.

Cilantro is open-pollinated and comes true, so saved seed grows the same plant. Store the dried seed cool and dry; it stays viable two to three years. For a managed crop rather than a volunteer patch, just collect the seed and sow it deliberately in your succession rows.

Fresh, low-calorie, and rich in vitamin K and antioxidants - and a garnish that genuinely lifts a dish's nutrition.

Cilantro leaves are nearly calorie-free but nutritionally real: an excellent source of vitamin K, with vitamin A, vitamin C, and folate, plus antioxidant compounds behind the distinctive aroma. Because it's eaten raw and fresh, it delivers those nutrients intact rather than cooked away.

Coriander seed brings its own profile — dietary fiber, minerals like manganese and iron, and warm aromatic oils. The famous soapy taste some people experience is a well-documented genetic difference in odor perception (the OR6A2 gene), not a sign of anything wrong with the plant — it's simply not a herb for everyone.

Leaf and seed are two ingredients: bright fresh cilantro finishes salsa and curry; toasted coriander seed is a warm base spice.

Treat the leaf and the seed as separate ingredients. Fresh cilantro leaf is bright and citrusy — the finishing note in salsa, guacamole, pho, chutneys, and countless Mexican, Indian, Thai, and Middle Eastern dishes. Add it at the very end; heat flattens it fast. Stems are just as flavorful as leaves, so don't discard them, and the root is a curry-paste treasure in Thai cooking.

Coriander seed is warm, nutty, and orange-peel-citrusy — a foundational whole spice in curry powders, garam masala, pickling brines, and sausage. Toast it in a dry pan until fragrant and grind fresh for the best flavor. One plant, allowed to run its full course, seasons your kitchen twice.

A genuine folk-medicine tradition for digestion, especially the seed; real aromatic chemistry, modest evidence, best enjoyed as food.

Coriander has a long and legitimate place in traditional medicine, especially the seed, used across Ayurvedic, Middle Eastern, and European systems as a carminative and digestive — a remedy for gas, bloating, and unsettled stomachs — often as a simple seed tea or infusion. The aromatic oils responsible (chiefly linalool) have documented antimicrobial and antioxidant activity in the lab.

Modern research has looked at coriander for blood-sugar and lipid effects, with promising but preliminary results that don't yet amount to a treatment. Honest framing: it's a well-loved digestive herb with a real tradition and gentle, food-level benefits — enjoy it as flavorful food and a soothing after-dinner tea rather than as medicine.

One of the oldest cultivated herbs on earth - in Egyptian tombs and ancient Sanskrit texts - and now global from salsa to curry.

Coriander is among the most ancient of cultivated herbs. Seeds have been found in Egyptian tombs (including Tutankhamun's), it's named in the Bible and in Sanskrit texts, and it was carried by the Romans across their empire as both food and medicine. Native to the eastern Mediterranean and southwest Asia, it spread east and west until it became a fixture of cuisines on nearly every continent.

The split naming reflects that spread: 'coriander' (from Greek koriannon) for the seed and, in most of the world, the whole plant; 'cilantro' (the Spanish name) for the fresh leaf in the Americas. Same plant, two culinary traditions — and one of the few herbs that genuinely divides people down a genetic line into lovers and soap-tasters.

A cool-season crop everywhere: spring and fall in the north, fall-through-spring in the south, and never a summer herb.

Zones 3-6: spring and fall are the windows; sow early and again in late summer, and expect the summer heat to force fast bolting between them. Fall crops are the sweetest and slowest to bolt. Zones 7-9: flip toward the cool season — cilantro grows fall through spring, and summer is the off-season. Zones 10-11: a winter crop; long summer days and heat make it bolt almost immediately. Zones 12-13: only the coolest months work, with afternoon shade and slow-bolt varieties, and even then the leaf harvest is short. Everywhere, the rule is the same — grow it cool, sow it often, and let the summer plants become coriander seed rather than fighting the bolt.

Bolting is normal in heat - resow; soapy taste is genetic; poor germination means old or uncrushed seed; wilting despite water is root rot.

Shot up a stalk and stopped making leaves (bolting): heat and long days — expected, not a failure; let it become coriander seed and sow the next succession. Tastes like soap: a genetic quirk in how you perceive the aroma, harmless and not fixable — some people just aren't cilantro people. Patchy or slow germination: old seed, or the round capsule wasn't crushed — use fresh seed and gently crack the capsule. Seedlings toppled or wilting despite moist soil: damping off or root rot from cool wet soil — improve drainage and ease off watering. White powdery coating in humid heat: powdery mildew — improve airflow and harvest ahead of it.