Chicago Warted Hubbard Winter Squash Seeds for Hearty Winter Meals

Chicago Warted Hubbard Squash Seeds produce one of the most well-known heirloom winter squash varieties, valued for its rugged, bumpy skin and rich, dense flesh. This traditional winter squash features a deep orange interior that delivers hearty flavor, making it a favorite for soups, baking, and long-term storage. The vigorous vines yield large fruits and thrive in sunny, warm garden spaces.

A perfect choice for home gardeners seeking a dependable, long-keeping winter squash with robust flavor and impressive yields.

Features

• Produces large heirloom winter squash with distinct warted skin
• Non-GMO, open-pollinated, heirloom seed variety
• Ideal for long storage and hearty winter dishes
• Vigorous, high-yielding vines suitable for spacious gardens
• Dense, rich flesh perfect for cooking and baking
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Specifications

• Botanical Name: Cucurbita maxima
• Common Name (U.S.): Winter Squash / Hubbard Squash
• Variety: Chicago Warted Hubbard
• Seed Type: Heirloom, open-pollinated, Non-GMO
• Season: Warm season; harvested for winter use
• Zones: USDA Zones 3–11
• Plant Type: Annual vining squash
• Fruit Characteristics: Large, warted skin; orange flesh; rich flavor
• Fruit Size: 10–20+ lbs depending on growing conditions
• Maturity: 90–110 days
• Light Requirements: Full sun
• Soil Requirements: Fertile, well-drained soil; pH 6.0–7.0
• Watering: Deep, consistent watering
• Sowing Depth: 1 inch
• Spacing: 36–48 inches
• Germination: 7–12 days
• Temperature Range: 70–95°F
• Storage Notes: Excellent long-keeping variety when cured properly
• Important Notes: Requires ample space; mulch helps retain moisture and reduce weeds.

Planting Guide

• Direct sow outdoors after frost when soil temperatures exceed 65°F.
• Plant seeds 1 inch deep in nutrient-rich, well-draining soil.
• Space vines 36–48 inches apart to support large fruit development.
• Water deeply and consistently, focusing on the root zone.
• Apply mulch to keep soil cool and promote even moisture.
• Allow fruits to mature fully on the vine until skins harden.
• Cure squash in a warm, dry place for 7–10 days before winter storage.
• Store in a cool, well-ventilated space for extended shelf life.