Cherry Seeds for Planting (Prunus avium/Prunus cerasus) Planting Instructions Best Planting Time: Outdoors: Fall (for natural cold stratification) or early spring after last frost Indoors: Start 12-14 weeks before last frost date Planting Steps: Soil: Well-draining, fertile loam (pH 6.0-7.5) Depth: Plant 1 inch (2.5 cm) deep Spacing: Allow 20-25 feet between future trees Light: Full sun (minimum 6 hours daily) Moisture: Keep soil consistently moist but not waterlogged Germination & Early Care: Germination time: 4-12 weeks (may require multiple cold cycles) Transplant seedlings when 12-18 inches tall Protect young trees from rodents and harsh winds Growth & Care Watering: Young trees: 1-2 inches weekly Mature trees: Deep watering every 2-3 weeks in dry periods Fertilizing: Apply balanced fertilizer in early spring Use low-nitrogen formula after first year Pruning: Train to central leader system in early years Prune in late winter to maintain shape and airflow Pollination: Most sweet cherries need cross-pollination (plant 2+ compatible varieties) Sour cherries are often self-fertile Fruit Production Time to first fruit: 4-7 years from seed Harvest season: Early to mid-summer Yield: Mature trees produce 30-50 lbs annually Climate Requirements: USDA Zones: 4-8 (varies by variety) Chill hours required: 700-1,400 hours below 7°C (45°F) Note: Seed-grown trees may produce fruit different from parent. For consistent quality, consider grafted varieties.