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(Non-GMO, Heirloom)
Shop the highest quality Waltham Butternut Squash seeds for the variety that sets the standard for all winter squash. When it comes to a reliable, gourmet-quality harvest, Waltham is the "Prized Possession." This 1970 AAS winner is famous for its uniform, bell-shaped fruits and its vibrant orange, nutty-tasting flesh that is remarkably smooth. At The Seed Guy, we believe we aren't just selling seeds; we are selling the Saturday morning in the garden with the grandkids, the cozy smell of squash roasting in the oven on a chilly November day, and the pride of a harvest that lasts all winter long.
In the garden, Waltham Butternut is a vigorous vining plant that produces large, 4-to-5-pound squashes with a tough, tan skin that resists pests and ground rot. This variety is the premier choice for anyone who wants to "get your roast on"—offering a sweet, rich flavor that is perfect for creamy soups, ravioli, or simply roasted with a bit of maple syrup. It is a fantastic companion plant for corn and sunflowers, which provide a natural structure for the vines to wander. At The Seed Guy, our seeds are tested for elite germination, ensuring you get heavy yields of storage-ready squash that will keep your pantry full well into the new year.
Why choose heirloom Waltham Butternut Squash Seeds?
✅ 100% Non-GMO
✅ Open-pollinated
✅ The most popular winter squash in the world for flavor and reliability
✅ Exceptionally long shelf life—stores for 6 months or more
✅ Fine-grained, sweet orange flesh with a small seed cavity
✅ Naturally resistant to the Squash Vine Borer due to its solid stems
✅ High in beta-carotene and Vitamin A for a healthy family diet
✅ A dependable, award-winning heirloom that is a joy to grow and eat
Quick Growing Specifications:
Hardiness Zone: 3-12
Days to Maturity: 100-110 Days
Planting Depth: 1" Deep
Plant Spacing: 3-4' Apart
Germination: 7-10 Days
Waltham Butternut Squash Planting Instructions:
1. When to Plant: Butternut squash needs a long, warm season. Direct sow after the soil has warmed to 70°F. If you have a short season, start indoors in peat pots 3 weeks before the last frost.
2. Preparation: Give these vines plenty of room to run! They love fertile soil enriched with organic matter. Planting in "hills" helps with drainage and root warmth.
3. Sowing: Plant 3-4 seeds per hill, 1 inch deep. Space hills 4-6 feet apart. Once seedlings are established, thin to the two strongest plants per hill.
4. Care: Keep the area weed-free until the vines take over. Mulching helps conserve moisture. Do not harvest until the skin is hard enough that you can't dent it with a fingernail and the stem has turned brown and "corky."
5. Pests and Diseases: Because Butternuts have solid stems, they are much more resistant to borers than other squash. To prevent mildew, ensure the plants have full sun and good airflow.
Specific References