Oconee Pecan

Oconee pecan was developed from a controlled cross of Schley x Barton by the USDA pecan breeding program and chosen for release in 1989. The Schley parentage — one of the most historically important southeastern selections, a seedling from Jackson County, Mississippi planted around 1881 — contributed large nut size and high kernel percentage; the Barton parentage added disease tolerance characteristics suited to humid growing conditions. Oconee’s name follows the USDA program’s convention of naming pecan releases after geographic and cultural references meaningful to the Southeast, in this case the Oconee River of Georgia — though unlike many USDA releases named for Native American nations, Oconee takes its name from a river whose own name derives from a Native American word. The cultivar produces approximately 48 nuts per pound with a kernel percentage around 53 percent and excellent shelling quality — a high proportion of intact halves. Trial data from Georgia, Mississippi, and Texas place it among the higher-yielding selections in humid environments. Extension publications note it requires a consistent spray program to manage scab susceptibility, but its kernel quality rewards attentive management. UGA and cooperating state programs have included it in recommended cultivar lists.

Oconee thrives in deep, well-drained loam or sandy loam soils with pH between 5.5 and 7.0 — the same alluvial profile the species colonizes naturally along river bottoms. Full sun is non-negotiable: pecans compete aggressively for light, and shaded branches simply do not produce. Space trees 40 to 60 feet apart to allow for mature canopy spread, and plan for eventual removal of every other tree once crowding begins. Zinc deficiency is the most common limiting nutrient in pecan orchards; apply foliar zinc sulfate at budbreak and again in early summer every season without exception — rosette (mouse-ear) disorder follows quickly without it. Oconee rates as moderate in growth and benefits from a balanced fertility program anchored in soil testing. Because scab pressure is real, airflow management through selective canopy thinning and avoiding overhead irrigation reduces disease load organically. Expect the first meaningful harvest five to seven years after planting, with full production ramping through years ten to fifteen.

USDA Hardiness Zone: 7-9
AHS Heat Zone: 6-9
Chill Hours: 300-950
Sun Requirements: Full Sun
Soil pH: 5.5-7.0
Soil Type: Deep, fertile sandy loam to clay loam; native to bottomland alluvial soils
Soil Drainage: Well-drained to moderately well-drained
Water Requirements: Medium
Drought Tolerance: Moderate
Plant Spacing: 40-60 ft apart
Container Suitability: No

Oconee grows into a large, spreading deciduous tree that can reach 60 to 100 feet tall with a broad, rounded crown at maturity — scale accordingly when siting. Its growth rate is moderate for the species, which means it rewards patience but is not the slowest-developing pecan available. The compound pinnate foliage, typical of Juglandaceae, turns golden yellow in autumn before drop, making this an attractive shade tree even in non-production years. The large canopy intercepts significant rainfall and provides dense summer shade — useful in food forest design as a canopy anchor, though that same shade suppresses understory planting directly beneath it. Oconee is classified low for both salt and wind tolerance, so avoid exposed ridge-top sites and coastal locations with salt-laden wind. Wildlife finds the tree irresistible: squirrels, wild turkeys, white-tailed deer, woodpeckers, and songbirds all exploit the nut drop, which can reduce your harvest if populations are high. Plan your harvest timing accordingly.

Mature Height: 75-100 ft tall
Mature Spread: 40-75 ft wide
Growth Habit: Upright, spreading canopy
Growth Rate: Moderate
Foliage Type: Deciduous
Food Forest Layer: Canopy
Permaculture Role: Canopy/overstory tree; nut crop; wildlife habitat; mast provider; shade
Fall Foliage Color: Yellow
Attracts Wildlife: Squirrels, white-tailed deer, wild turkey, crows, woodpeckers, songbirds, opossums, raccoons
Life Span: 100+ years

Oconee is a Type I (protandrous) pecan, meaning it sheds pollen before its own female flowers are receptive. In the current pecan pollination chart, its pollen-shed window is Apr 21 - Apr 27 and its receptive window is Apr 26 - Apr 29. Reliable crops need a compatible cross-pollinizer whose pollen shed overlaps that receptive window. Best matches from the current article matrix: Cape Fear (Type I), Desirable (Type I), Schley (Type II). Pecans are wind-pollinated; plant compatible varieties in the same yard, food forest, or orchard block with open airflow rather than relying on an unknown tree several properties away.

Bloom Season: Early
Bloom Window: Pollen shed: Apr 21 - Apr 27; receptive: Apr 26 - Apr 29
Pollination Requirements: Cross-pollination required; Type I (protandrous): sheds pollen first, then becomes receptive later; needs a compatible cross-pollinizer whose pollen shed overlaps its receptive window
Pollination Mechanism: Wind-pollinated
Flower Color: Yellow-green (catkins); insignificant

Oconee produces medium to large nuts averaging approximately 48 nuts per pound with a notable 53 percent kernel percentage — meaning more than half the nut's weight is usable meat, which is high for a commercially available cultivar. The kernels are golden to amber, with the clean, buttery flavor typical of improved USDA selections. Oconee performs well fresh and stores acceptably under refrigeration or freezing for extended pantry life. The nuts crack cleanly, making in-shell hand-cracking practical for home use, and the kernel percentage makes them efficient for commercial or market-garden shelling. Peak flavor is best in the first few weeks after harvest in autumn; long-term storage is best achieved by freezing shelled kernels in airtight bags. Culinary applications span raw snacking, baking, confectionery, and savory cooking, and the high fat content gives the kernel a satisfying richness characteristic of well-grown improved pecan cultivars.

Ripening Season: Late
Harvest Window: Early Oct - Late Oct
Fruit Weight: 48 nuts per pound, 53% kernel
Flavor: Sweet, rich pecan flavor
Fruit Color: Tan to brown shell; golden kernel
Fruit Texture: Smooth, buttery kernel; thin shell
Bearing Habit: Annual bearing; low alternate bearing tendency
Years to Bear: 5-7 years
Storage Life: 9 months refrigerated; 2 years frozen
Culinary Uses: Raw snacking, baking, pies, candies, confections, salads, cooking

Pecan scab (Venturia effusa) is Oconee's most significant vulnerability, rated Moderately Susceptible — the pathogen thrives on warm, wet spring weather, and in humid Southeastern and mid-South climates this means scab can devastate unmanaged orchards. Organic management centers on airflow: prune to open the canopy center, eliminate standing water beneath trees, and never use overhead irrigation. Downy spot (Mycosphaerella caryigena), vein spot (Gnomonia nerviseda), zonate leaf spot (Cristulariella moricola), and powdery mildew (Microsphaera penicillata) have not been formally rated for Oconee in available trial data, but cultural practices that address scab — open canopy, dry foliage, good soil drainage — reduce pressure from all foliar diseases simultaneously. For pests, pecan weevil (Curculio caryae) is managed by applying Surround WP kaolin clay as a physical barrier during nut development; pecan nut casebearer (Acrobasis nuxvorella) responds to pheromone trap monitoring combined with timed Bt or spinosad applications; hickory shuckworm (Cydia caryana) is reduced through strict orchard sanitation and Bt applications; black pecan aphid (Melanocallis caryaefoliae) is suppressed by reflective mulch and lacewing releases. Foliar zinc remains essential regardless of pest pressure.

Pecan Scab: Moderately Susceptible
Downy Spot: Moderately Resistant
Vein Spot: Moderately Resistant
Zonate Leaf Spot: Moderately Susceptible
Powdery Mildew: Moderately Susceptible
Pecan Weevil: Moderately Susceptible
Pecan Nut Casebearer: Moderately Susceptible
Hickory Shuckworm: Moderately Susceptible
Black Pecan Aphid: Susceptible

• Zinc every season: Foliar zinc sulfate at budbreak and early summer — skipping one season invites rosette disorder.
• Scab airflow: Thin the canopy center annually; switch to drip irrigation to keep foliage dry.
• Type II within 150 ft: Elliot, Kanza, or Lakota — pecan is wind-pollinated and distance matters.
• Beat the wildlife: Harvest at husk split; squirrels work the crop before full drop.
• Space 40-60 ft: Crowded canopies drive disease and cut kernel fill.

Our 365-Day Plant Guarantee: We ensure that our plants are delivered to you alive and healthy. If your plant does not survive its first year, you're eligible for store credit under these conditions:

1. Your location falls within the appropriate USDA hardiness zone for the plant variety (refer to our hardiness zone map).
2. You maintain the roots' moisture and plant within three days of delivery, following the instructions in our Planting Guide.

If you're concerned about your plant's health, please consult our guide, How to Tell if Your Tree is Dead or Dormant. Remember, our plants are shipped in a dormant state and may leaf out at different times based on their species. To check for plant vital