Classification
Product TypeRaw Material
Product FormDried
Industry PositionPrimary Agricultural Product
Raw Material
Commodity GroupTree nuts
Scientific NameCarya illinoinensis
PerishabilityMedium
Growing Conditions- Deciduous orchard tree crop typically grown in warm-temperate to subtropical zones with sufficient winter chilling and a long frost-free season.
- Irrigation management is a key production factor in many commercial regions during nut development and filling.
Main VarietiesPawnee, Desirable, Stuart, Wichita, Western Schley
Consumption Forms- Dried in-shell pecans
- Shelled kernels (halves and pieces) for retail and industrial use
- Roasted/seasoned kernel products
Grading Factors- Kernel moisture content
- Kernel size/count (halves vs pieces; size classifications)
- Color classification and uniformity (for graded kernels)
- Defects/damage and foreign material tolerances
Planting to HarvestTypically crops lightly after ~5 years, with full commercial capacity around ~10 years in commercial plantings (site- and management-dependent).
Market
Pecan nuts (Carya illinoinensis)—including named cultivars such as Pawnee—are globally traded primarily as dried in-shell nuts and shelled kernels, with quality and defect tolerances governed by formal standards (e.g., UNECE and USDA grades). Global production is highly concentrated in North America, with Mexico and the United States leading and South Africa a significant Southern Hemisphere producer. Because pecans can be dried and stored, trade is less constrained by immediate perishability than fresh produce, but quality retention depends on moisture control and cool storage. Market access and pricing can be disrupted by food-safety compliance (notably aflatoxins) and by trade remedies, including China’s anti-dumping investigation into U.S. and Mexican pecan imports initiated in 2025.
Major Producing Countries- 멕시코Leading global producer in 2022/23 (UNECE-reported estimate: 44% of global crop, kernel basis).
- 미국Leading global producer in 2022/23 (UNECE-reported estimate: 40% of global crop, kernel basis).
- 남아프리카Significant producer in 2022/23 (UNECE-reported estimate: ~10% of global crop, kernel basis) and an important Southern Hemisphere supplier.
- 호주Smaller producer with harvest concentrated in late autumn/early winter (May–June) in key producing areas.
Major Exporting Countries- 미국Established exporter with documented exports and long-standing foreign market development activity.
- 멕시코Major exporter; Mexican government communications describe peak production in Oct–Dec supporting export availability.
- 남아프리카Export-oriented Southern Hemisphere supplier; SAPPA materials describe an April–July harvest window supporting counter-seasonal shipments.
Major Importing Countries- 중국Key destination market; China’s MOFCOM initiated an anti-dumping investigation in 2025 into pecan imports originating from Mexico and the United States.
- 미국Major destination for Mexican pecans (listed among Mexico’s export destinations in government communications).
- 홍콩Historically a major export market for U.S. pecans per USDA communications.
- 캐나다Listed among Mexico’s export destinations in government communications.
Supply Calendar- United States:Oct, Nov, DecMain harvest occurs in fall; product is typically dried and stored for year-round shipment with cool storage recommended for quality retention.
- Mexico:Oct, Nov, DecMexican government communications describe October–December as the months of highest production.
- South Africa:Apr, May, Jun, JulSAPPA seasonal guide indicates harvest begins in April and can continue through July, providing a Southern Hemisphere counter-seasonal window.
- Australia (Northern New South Wales / Gwydir Valley):May, JunIndustry profile describes harvest in May–June in key irrigated production areas.
Specification
Major VarietiesPawnee, Desirable, Stuart, Wichita, Western Schley
Physical Attributes- Traded as in-shell nuts or as shelled kernels (halves and pieces).
- Kernel color and absence of damage/defects are key commercial quality attributes in graded trade.
Compositional Metrics- Moisture content limits are explicitly referenced in U.S. grade standards for shelled pecans (e.g., not more than 4.5% unless otherwise specified).
- Post-harvest drying guidance commonly targets ~4% kernel moisture prior to storage.
Grades- USDA grades for shelled pecans (e.g., U.S. Extra Fancy, U.S. Fancy, and U.S. Standard).
- UNECE standards adopted for pecan kernels and in-shell pecans to facilitate international trade.
Packaging- In-shell pecans shipped in bulk sacks/super sacks or cartons for further processing and retail packing.
- Shelled kernels commonly packed as halves/pieces for industrial users and retail, with packaging designed to protect against moisture uptake and oxidation.
ProcessingTypical post-harvest sequence includes hulling (where applicable), drying, cleaning, shelling (for kernels), sizing/grading, and packaging.Quality preservation is strongly influenced by rapid drying and controlled storage temperature to reduce mold growth risk and lipid oxidation.
Supply Chain
Value Chain- Orchard harvest (mechanical shaking/sweeping) -> hulling/cleaning -> drying to low kernel moisture -> in-shell packing or shelling -> kernel sizing/grading -> packaging -> cool storage -> export distribution
Demand Drivers- Import demand in East Asia (including China/Hong Kong) and North America supported by established export programs and trade flows.
Temperature- Cool storage is recommended for quality retention; guidance indicates storage up to one year at about 32–34°F (0–1°C), with freezing recommended for longer storage.
Shelf Life- With proper drying and cool storage, pecans can be stored up to about one year; longer storage typically uses freezing to slow rancidity.
Risks
Food Safety HighAflatoxin contamination is a critical trade-disrupting risk for tree nuts: Codex provides a dedicated code of practice for prevention/reduction, and major importing markets (e.g., the EU) set enforceable maximum levels for mycotoxins including aflatoxins. Non-compliance can lead to border rejections, intensified controls, and reputational damage for origin suppliers.Apply Codex-aligned GAP/GMP (including timely harvest, rapid drying, moisture control, and hygienic storage), and implement robust sampling/testing and supplier quality assurance against importing-market maximum levels.
Trade Policy MediumTrade remedies can materially disrupt demand and pricing: China’s MOFCOM initiated an anti-dumping investigation in 2025 into pecan imports originating from Mexico and the United States, creating uncertainty around potential duties and market access conditions during the investigation period.Diversify destination markets, monitor case timelines and scope definitions, and maintain documentation/traceability to support compliance and stakeholder engagement during trade remedy proceedings.
Yield Variability MediumPecan is especially prone to alternate (biennial) bearing, creating large year-to-year swings in supply that can amplify price volatility and complicate contracting for kernel processors and exporters.Use crop-load management, nutrition and irrigation programs, and cultivar/orchard design strategies intended to reduce alternate bearing intensity and stabilize kernel fill and quality.
Quality Degradation MediumEven as a dried nut, pecan quality is vulnerable to moisture reabsorption, mold risk, and lipid oxidation (rancidity) if drying targets and cool-chain storage are not maintained, reducing usable shelf life for kernels and increasing claims/rejections.Dry to low kernel moisture, store cold (and freeze for long durations), and use packaging and handling practices that minimize humidity exposure and temperature abuse.
Sustainability- Irrigation dependence and water-stress exposure in major production zones where orchards require consistent water during nut development.
- Pest and disease management intensity (including fungicide programs referenced in producer guidance), with implications for input use and compliance.
FAQ
Which countries dominate global pecan production?Mexico and the United States are the leading global producers, with South Africa also a major producer; UNECE reported that in 2022/23 Mexico and the United States accounted for the largest shares of the estimated global crop (kernel basis), with South Africa in third place.
When are peak harvest months for key pecan origins?Peak harvest is typically October–December in the United States (fall harvest) and is also described as October–December for Mexico in Mexican government communications, while South Africa’s producer guidance indicates harvest begins in April and can continue through July; Australian industry profiles describe harvest in May–June in key producing areas.
What moisture and storage conditions are commonly referenced for trade-quality pecans?U.S. grade standards for shelled pecans reference a maximum kernel moisture of 4.5% (unless otherwise specified), and post-harvest guidance describes drying to about 4% kernel moisture and storing pecans in cool conditions (around 32–34°F / 0–1°C) for up to about one year, with freezing recommended for longer storage.