Classification
Product TypeRaw Material
Product FormFresh
Industry PositionPrimary Agricultural Product
Raw Material
Commodity GroupLeafy vegetable
Scientific NameLactuca sativa L.
PerishabilityHigh
Growing Conditions- Cool-season crop; quality and yield are sensitive to heat stress (e.g., bolting and physiological disorders)
- Often produced under irrigated horticulture systems with tight harvest scheduling to meet freshness requirements
Main VarietiesHead lettuce (Crisphead/Iceberg)
Consumption Forms- Fresh whole-head for retail and foodservice
- Fresh-cut shredded lettuce for salads and sandwich applications (processed downstream)
Grading Factors- Head size/weight and compactness
- Freedom from decay, browning, and physiological disorders (e.g., tipburn)
- External damage (bruising, insect damage) and cleanliness
Market
Fresh iceberg lettuce (a head/cabbage lettuce type) is a highly perishable leafy vegetable traded mainly through regional, short-haul supply chains that can maintain strict cold-chain continuity. Production is widespread in temperate and irrigated horticulture regions, with large overall lettuce output reported in FAOSTAT under the broader category "lettuce and chicory." In trade statistics for head/cabbage lettuce (HS 070511), European intra-regional trade is prominent, with Spain often cited among the leading exporters, alongside North American and other suppliers. Demand is strongly tied to retail salad use and foodservice (including quick-service restaurants), while food-safety events and weather/water shocks can rapidly disrupt availability and pricing.
Market GrowthMixed (medium-term outlook)stable overall leafy-vegetable demand with shifting mix across lettuce types and strong foodservice linkage
Major Producing Countries- 중국Major producer in FAOSTAT reporting for the broader category "lettuce and chicory" (not iceberg-specific).
- 미국Major producer in FAOSTAT reporting for "lettuce and chicory"; significant commercial head-lettuce production.
- 인도Large producer in FAOSTAT reporting for "lettuce and chicory" (category includes multiple lettuce types).
- 스페인Important producer and key supplier to European markets.
- 이탈리아Significant producer within the European horticulture market.
- 멕시코Important producer and cross-border supplier into North American markets.
Major Exporting Countries- 스페인Prominent exporter for HS 070511 head/cabbage lettuce trade flows, especially into European markets.
- 미국Exports primarily within North America, with strong Canada-oriented flows.
- 네덜란드Key European trade hub with re-export and distribution roles for fresh vegetables.
- 멕시코Seasonal supplier into the United States and other nearby markets.
- 중국Exports mainly within Asia for HS 070511 head/cabbage lettuce where reported.
Major Importing Countries- 독일Large European import market for fresh vegetables, including head/cabbage lettuce in HS 070511 trade statistics.
- 영국Significant importer, including winter-season reliance on Mediterranean suppliers.
- 프랑스Major European destination market for traded fresh lettuce.
- 캐나다Major destination for US-origin head lettuce shipments within North America.
- 미국Imports seasonally from nearby suppliers (notably Mexico) when domestic supply is constrained.
Supply Calendar- United States (California, coastal production):May, Jun, Jul, Aug, Sep, OctTypical warm-season window for coastal production areas; timing varies by growing district and year.
- United States (Arizona/California desert production):Nov, Dec, Jan, Feb, Mar, AprTypical cool-season window for desert production supplying winter markets.
- Spain (Mediterranean production, e.g., Murcia/Almería):Nov, Dec, Jan, Feb, Mar, AprCommon winter-to-spring supply window into Northern European markets.
- Mexico (northwest production, e.g., Baja California and nearby regions):Nov, Dec, Jan, Feb, Mar, AprSeasonal counter-window supporting North American demand when northern regions are constrained.
- Netherlands/Belgium (Northern European seasonal supply):May, Jun, Jul, Aug, SepSeasonal regional supply and distribution activity; head-lettuce trade can include domestic production and re-exports.
Specification
Major VarietiesCrisphead (Iceberg)
Physical Attributes- Compact, dense head with crisp texture and pale-green interior leaves
- Prone to mechanical bruising and dehydration if not protected by packaging and high-humidity cold storage
Compositional Metrics- Very high water content; quality loss accelerates with temperature abuse (wilting, browning, decay)
- Physiological disorders (e.g., tipburn) can reduce commercial grade under heat or growth stress
Grades- UNECE Standard FFV-22 class/defect tolerance concepts commonly referenced for commercial quality control of lettuces in trade
- OECD Fruit and Vegetables Scheme explanatory brochure supports uniform interpretation of lettuce quality parameters
Packaging- Corrugated cartons or reusable plastic crates sized for whole heads, often with count-based packing
- Film-wrapped heads used in some markets to reduce moisture loss during distribution
ProcessingFrequently used as an input for fresh-cut shredded lettuce/salad blends, where washing/sanitation and cut-surface quality management become critical
Supply Chain
Value Chain- Harvest (often field-packed) -> rapid cooling -> cold storage -> refrigerated transport -> distribution center -> retail/foodservice
- Cooling and cold-chain management are central value-add steps because quality deteriorates quickly when temperatures rise
Demand Drivers- Foodservice demand (including quick-service restaurants) for burgers, sandwiches, and side salads
- Retail salad consumption and convenience-driven purchasing of bagged salads and pre-cut mixes (where iceberg may be blended with other lettuces)
Temperature- Requires near-freezing refrigerated handling (just above freezing) and high relative humidity to limit wilting and decay
- Ethylene exposure can contribute to quality defects in storage; segregation from high-ethylene produce is commonly used
Atmosphere Control- Modified-atmosphere packaging is commonly applied to fresh-cut lettuce products to slow respiration and quality loss
- For whole heads, atmosphere control is less standardized than for some fruits, but airflow and humidity control remain critical
Shelf Life- Short shelf life (weeks, not months) even under good cold-chain conditions; temperature abuse rapidly reduces sellable quality
Risks
Food Safety HighFresh leafy vegetables (including lettuce) have been associated with microbial hazards such as pathogenic E. coli and Salmonella; contamination events can trigger rapid recalls, buyer delistings, and border rejections, disrupting trade and tightening short-term supply.Implement and verify GAP/GHP programs (especially agricultural water, worker hygiene, and manure/soil amendment controls), maintain rigorous traceability/lot integrity, and align packinghouse sanitation and verification to destination-market requirements.
Climate MediumHeat waves, drought, and water-allocation constraints in major irrigated production basins can reduce yields and quality (e.g., bolting, tipburn) and create abrupt supply gaps that are difficult to bridge due to perishability.Diversify sourcing across multiple regions and seasons, monitor water policy and drought indicators, and use forward planning for counter-seasonal supply windows.
Logistics MediumBecause iceberg lettuce is highly perishable, cold-chain interruptions, port/transport delays, or inadequate rapid cooling can quickly convert product into unsellable shrink, making long-distance trade vulnerable.Use validated rapid-cooling practices, specify temperature/handling controls in contracts, and prioritize fast routes with real-time temperature monitoring.
Regulatory Compliance MediumDivergent pesticide MRLs and microbiological expectations across destination markets can lead to non-compliance findings and shipment rejections, especially for high-frequency, short-shelf-life consignments.Maintain destination-specific residue and food-safety compliance programs, including supplier approval, testing plans, and documentation readiness.
Sustainability- Water stewardship and irrigation reliance in key producing regions; drought and water-allocation constraints can tighten supply
- Nutrient runoff and soil/water impacts from intensive leafy-vegetable production systems
- Packaging waste and food loss/waste risks amplified by short shelf life and strict cosmetic/quality requirements
Labor & Social- Seasonal and migrant labor reliance in major horticulture regions, raising worker welfare and recruitment practice scrutiny
- Worker health and safety risks during harvest and packing (heat/cold exposure, repetitive work, sanitation practices)
FAQ
Which HS code is commonly used for global trade statistics on head/iceberg lettuce?HS 070511 is the standard 6-digit trade code for cabbage (head) lettuce (Lactuca sativa), fresh or chilled, and is commonly used in global trade databases to track head-lettuce flows.
Why is iceberg lettuce trade often concentrated within regions rather than shipped intercontinentally?Iceberg lettuce has a short shelf life and loses quality quickly if temperature control fails, so most trade relies on fast, refrigerated regional logistics and nearby counter-seasonal suppliers that can keep the cold chain intact.
What is the biggest global risk that can abruptly disrupt iceberg lettuce supply and trade?Food-safety contamination risk is the main deal-breaker because detection of pathogens linked to fresh leafy vegetables can trigger immediate recalls, buyer stops, and border rejections; mitigation focuses on water, worker hygiene, sanitation controls, and strong traceability.