Western Schley pecan tree with feathery green leaves and clusters of husks splitting to show slender nuts

Pecan ‘Western Schley’

Carya illinoinensis 'Western Schley'
Categories:
Fruit Trees  ·  
Nut Trees
Light
Full sun
Water
High water needs in Phoenix. Irrigate deeply across the expanding root zone, increasing frequency during extreme heat. Maintain consistent moisture during summer nut development without waterlogging; reduce watering after leaf drop.
Size
50-70 ft tall × 40-60 ft wide
Habit
Upright tree – single-trunk
Toxicity
Toxic — Pets
Description
A large, deciduous pecan cultivar widely grown in the Southwest, producing flavorful, thin-shelled nuts. Well suited to Phoenix heat when given ample irrigation and room to develop.
Bloom Time
Spring
Deciduous / Evergreen
Deciduous
Special Features
Edible
Growth Rate
Moderate to fast
Growth Habit
Upright tree – single-trunk
Mature Size
50-70 ft tall × 40-60 ft wide
Flower Color
Yellowish-green
Foliage Color
Green
Landscape Use
Desert / Xeriscape, Edible / Orchard
Garden Style
Desert / Xeriscape, Edible Garden
Soil
Alkaline Tolerant, Amended / Rich, Well-Drained
Companion Plants
Adequate spacing, Society garlic may be, Wichita pecan
Toxic — Pets
Nuts edible; moldy nuts and shucks toxic to dogs (tremorgenic mycotoxins).
Care Instructions

Light: Full sun; at least 8 hours of direct sunlight daily for good nut production.

Water: High water needs in Phoenix. Irrigate deeply across the expanding root zone, increasing frequency during extreme heat. Maintain consistent moisture during summer nut development without waterlogging; reduce watering after leaf drop.

Soil: Deep, fertile, well-drained soil; deep loam is ideal. Tolerates alkaline soil but may develop zinc or iron deficiencies. Avoid shallow soil, poor drainage, and salt accumulation.

Mature size: Typically 60–80 feet tall and 40–60 feet wide; potentially larger with age and favorable conditions.

Bloom: Inconspicuous flowers in spring, generally April–May; nuts typically mature in October–November in the Phoenix area.

Evergreen / deciduous: Deciduous.

Growth rate: Moderate to fast with adequate water and nutrition.