- Name: Early Prolific Straightneck Squash - Other Common Names: Prolific Straightneck Squash - Scientific Name: Cucurbita Pepo - Color: Yellow - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost - Harvest: 50 Days - Hardiness Zone: Annual - Plant Height: 24 - 36" - Plant Spacing: 2 - 3 Plants Per Hill With Hills Spaced 8 - 10' - Light Requirements: Sun - Soil & Water Preferences: Average - Quantity: 50 Seeds - Other: Prolific Straightneck Is An Heirloom Summer Bush Squash. This Aas Winner Is A Very Popular Variety That Is Indeed Both Early & Prolific! Also, Straightnecked! They Have A Wonderful ‘Squash’ Flavor That Is Buttery & Nutty. The Fruit Can Grow To 12 – 14”, But Are Best Harvested At 8 – 9”. While The First Fruits Are Ready In Just 50 Days, The Plants Will Continue To Produce Throughout The Season.