Culantro

Culantro solves cilantro’s biggest problem. Regular cilantro (Coriandrum sativum) bolts in summer heat, which eliminates it from the garden precisely when you want it most for salsas, hot dishes, and marinades. Culantro grows in the same heat, produces all summer without bolting, and has a flavor that’s essentially cilantro amplified - the same aromatic compounds but at roughly ten times the intensity. In Puerto Rican cooking it’s called recao and is one of the two indispensable ingredients in sofrito (the other is ají dulce pepper). In Vietnamese cooking the long, serrated leaves appear in pho as ngò gai. At Latin American and Caribbean markets it runs $4-8/lb.

Outside of cities with significant Caribbean, Latin, or Southeast Asian communities, culantro is commercially unavailable.

What it actually is

Eryngium foetidum is in the carrot family (Apiaceae), native to tropical Central America and the Caribbean. Despite the common names “false cilantro,” “long coriander,” and “Mexican coriander,” it is a separate genus with no particularly close relationship to cilantro beyond family membership and flavor similarity.

The plant grows as a flat basal rosette of long, serrated leaves - 4-10 inches long, dark green, with spiny teeth along the edges. It looks nothing like cilantro. After flowering, it sends up a central stalk with branching flower heads; at this point leaf production slows and flavor intensifies further. In tropical climates it’s a perennial; in frost-prone areas it grows as an annual.

The flavor compounds are similar to cilantro’s (including (E)-2-alkenals and aldehydes) but significantly more concentrated, which is why culantro is used in smaller quantities - a few leaves add the cilantro note that would require a large bunch of regular cilantro.

Regional names: recao (Puerto Rico), culantro (most of Latin America), ngò gai (Vietnam), pak chi farang (Thailand, “foreign cilantro”), shadow beni (Trinidad and Tobago), chadon beni (eastern Caribbean).

The ROI case

Culantro’s value is primarily access and season extension. It provides cilantro-like flavor through summer months when cilantro fails, and it’s commercially unavailable in most US markets.

Planting	Plants	Seasonal yield	Value @$8/lb	Seed cost	Net
4-5 plants	4-5	0.4-0.8 lb	$3.20-6.40	$1.25*	$1.95-5.15
8-10 plants	8-10	0.8-1.5 lb	$6.40-12	$2.49	$3.91-9.51

*Estimated from $2.49 packet.

Because it’s so much more potent than cilantro, a small planting provides the equivalent cilantro flavor of a much larger garden area. A few plants adequately supply a household that cooks with cilantro regularly.

Growing requirements

Season: warm-season herb that thrives in heat and humidity. Unlike cilantro, culantro does not bolt in summer. It slows in cool weather and stops growing below 50°F. In zones 7-11, plant after last frost and grow through summer. In zones 9-11, it can be grown year-round; it becomes a short-lived perennial in frost-free winters.

Light: one of the few food plants that actively benefits from partial shade in hot climates. Culantro evolved as a forest understory plant in tropical regions; it performs well with 4-6 hours of direct sun plus dappled shade. In intense summer heat (above 95°F), afternoon shade improves leaf quality and prevents premature flowering.

Direct sowing: seeds are small; sow on the soil surface or barely covered, after soil temperature reaches 65°F. Germination at 65-75°F in 10-21 days - slower than most herbs; the slow germination is normal. Thin to 6-8 inches apart.

Harvesting to delay flowering: once culantro sends up a central flower stalk, leaf production declines and the flavor intensifies to the point of being harsh raw. Cut the flower stalk when it appears; this delays bolting and extends productive leaf harvest by several weeks.

Water: consistent moisture; culantro doesn’t tolerate drought as well as cilantro. In containers or raised beds, where soil dries faster, check moisture regularly.

What goes wrong

Slow germination: the most common frustration. Seeds germinate in 2-3 weeks at best; inexperienced growers assume failure and replant, creating overcrowded patches. Mark the rows and wait. Using fresh seed (culantro seed loses viability quickly) and pre-soaking overnight improves germination rate.

Bolting before adequate size: happens if plants are water-stressed or if days are very long. Keep plants well-watered; harvest outer leaves consistently; remove flower stalks promptly.

Caterpillar damage: culantro leaves are browsed by caterpillars, particularly in humid climates. Row cover or Bt spray (Bacillus thuringiensis var. kurstaki) for loopers and armyworms.

Overpowering flavor in raw preparations: culantro is 5-10x more pungent than cilantro. First-time cooks sometimes use it in the same volume as cilantro and find the result overwhelming. Use sparingly - 1-2 fresh leaves where a recipe calls for 1/4 cup of cilantro.

Harvest and use

Harvest individual outer leaves from the rosette as needed. Leave the central growing point intact to allow the plant to continue producing. Culantro wilts fairly quickly after harvest; use within 2-3 days, or wrap in a damp cloth and refrigerate.

Flavor intensity: adjust to taste. In cooking, the intensity mellows with heat - fresh raw culantro is more pungent than cooked culantro in a sofrito or sauce. For raw preparations (pho garnish, salsa), a single leaf per serving is often enough.

Core preparations:

• Puerto Rican sofrito: the flavor base for most Puerto Rican cooking - recao (culantro), ají dulce, onion, garlic, and culantro blended together and stored in the refrigerator. Used as the starting point for arroz con pollo, beans, stews, and countless other dishes. The recao is non-negotiable; cilantro is a substitute only if recao is unavailable.

• Pho garnish plate: in authentic Vietnamese pho, fresh ngò gai (culantro) appears on the herb plate alongside bean sprouts, basil, and lime. The leaves are torn and added to the hot soup at the table; they wilt slightly in the broth and release their aroma.

• Thai spicy salads and soups: pak chi farang is used in tom yum-style soups and spicy herb salads (larb) as part of the herb garnish. The long leaves are chiffonaded or torn.

• Green seasoning (Trinidad/Caribbean): culantro, parsley, onion, garlic, and Scotch bonnet pepper blended into a wet seasoning paste. Used to marinate chicken, fish, and meats throughout the eastern Caribbean. The chadon beni (culantro) is the herb that defines the flavor.

---

Related reading: Cilantro - summer-bolting counterpart; Epazote - another heat-tolerant Latin American herb