Zucchini Seeds - Black Beauty Summer Squash - Cucurbita pepo

3, 4, 5, 6, 7, 8, 9, 10, 11

USDA Zones 3-11 - Grows as a warm-season annual across all zones, with planting times adjusted based on local frost dates and soil temperature requirements for successful germination.

Best performance in Zones 4-10 where long, warm summers provide ideal growing conditions for maximum fruit production and extended harvest periods through early fall.

Northern zones (3-5) - Start seeds indoors 2-3 weeks before last frost or direct sow after soil reaches 65°F, using row covers or season extenders to maximize growing season in areas with shorter summers.

Hot climate zones (9-11) - Plant in early spring for summer harvest, or in late summer for fall production in desert regions where extreme summer heat may stress plants during peak temperatures.

Soil temperature critical - Requires warm soil of at least 60°F for germination across all zones, with optimal soil temperature of 65-75°F ensuring quick sprouting and strong plant establishment.

Growing season needs - Requires 90-120 frost-free days for full production potential, making it suitable for all zones when planted at appropriate times relative to local frost dates.

Learn more about USDA Hardiness Zones here

Direct sowing method - Plant seeds 1 inch deep in warm soil (65°F or higher) after all danger of frost has passed, spacing seeds 3-4 feet apart in rows or plant 2-3 seeds per hill spaced 4-6 feet apart.

Indoor starting option - Start seeds indoors 2-3 weeks before last frost date in biodegradable pots to minimize root disturbance, transplanting outdoors when soil is warm and plants have 2-3 true leaves.

Soil preparation - Choose a sunny location with well-draining, fertile soil enriched with compost or aged manure, ensuring pH between 6.0-7.0 and incorporating organic matter for optimal nutrient retention.

Planting depth and spacing - Sow seeds 1 inch deep with the pointed end down, thinning to strongest plant per location once seedlings are 3-4 inches tall if multiple seeds were planted per spot.

Watering and establishment - Water seeds gently but thoroughly after planting, maintaining consistent soil moisture throughout germination (5-10 days) and early growth, avoiding overhead watering once plants mature to prevent powdery mildew.

Mulching and maintenance - Apply 2-3 inches of organic mulch around plants once established to retain moisture, suppress weeds, and keep developing fruits clean, keeping mulch several inches away from plant stems.