CASCADE walnut grafted - Juglans

🌰 Cascade Walnut Tree 

🔸 Full name

• Common name: Cascade Walnut Tree
• Botanical name: Juglans regia ‘Cascade’
• Family: Juglandaceae
• Type: Nut tree

🌳 General description

• Origin: American selection (Oregon State University, USA)
• Habit: Upright and broad, well-balanced
• Mature height: 8 to 12 m
• Width: 6 to 10 m
• Growth: Medium to fast
• Special feature: Semi-early variety, very productive and consistent, with easy-to-crack nuts.

🌰 Fruit

• Type: Large nuts
• Shell: Thin, smooth, light in color, breaks easily
• Kernel: Blonde, fleshy, well-filled
• Taste: Sweet, flavorful, very aromatic
• Kernel yield: Approximately 50 to 55%
• Harvest period: Late September to early October
• Storage: Excellent—several months in a dry, cool place
  

🌼 Flowering

• Flowering months: April to May
• Flowering type: Monoecious (male catkins and female flowers on the same tree)
• Pollination: Early to mid-season
• Sensitivity: Flowers may be susceptible to late frosts

🌾 Pollination

• Type: Partially self-fertile, but production is improved with another walnut tree that flowers at a different time.
• Good pollinators: Lara, Fernor, Franquette, Fernette or Manregion
• Compatible flowering: Medium to late

🌱 Cultivation and care

• Exposure: Full sun
• Soil: Deep, fertile, cool but well-drained (avoid heavy or waterlogged soils)
• pH: Neutral to slightly alkaline
• Watering: Necessary in the first few years, then unnecessary except during prolonged drought
• Pruning: Very light, in winter — remove dead wood and thin out the branches
• Fertilization: Compost or organic fertilizer in the fall every 2–3 years

🧊 Hardiness

• USDA hardiness zone: 5 to 9
• Minimum temperature tolerated: Approximately -25°C
  👉 Withstands winter cold well, but is susceptible to late spring frosts on young shoots.

🌿 Resistance and health

• Disease resistance: Good overall tolerance
• Possible sensitivities: Walnut blight (Xanthomonas arboricola), anthracnose (Gnomonia leptostyla)
• Preventive maintenance: Spray with Bordeaux mixture at bud break and leaf fall

💡 Advantages

✅ Very good, consistent yield
✅ High-quality nuts with excellent flavor
✅ Good resistance to cold and disease
✅ Suitable for family or professional orchard cultivation