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Item Number: SNV8156

Butternut Winter Squash Seeds (Organic)

Sweet flavor, creamy texture.

$3.99
/Pack
Seed Package Size:
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Description

Growing Zones: Adaptable to various zones, generally USDA zones 3-11. Chill Requirements: Typically doesn’t require specific chill hours for fruiting. Bloom Time: Late spring to early summer. Harvesting Dates: Harvest in late summer to fall when the squash has matured and the skin has hardened. Looks: Butternut squash has a creamy-tan outer skin and a bulbous base that tapers to a narrower neck. Personality: Known for its sweet and nutty flavor, it's versatile in culinary use and stores well. Facts of Note: Pollinator: Winter butternut squash plants have separate male and female flowers; while they don't require a separate pollinator, bees or other pollinators aid in fruit development.

Variety Details

  • Plant type: Tender Annual
  • Growth habit: Vining
  • Crop category: Squash
  • Kitchen profile: Squash Variety: Butternut Winter Squash (Cucurbita moschata) thrives in northern regions, producing uniform, buff-colored fruit with dry, fine-grained flesh and a sweet squash flavor.
  • Recorded feature: Open-Pollinated
  • Product format: Seed packet with a separately listed bulk option

Sowing & Growing

  • Ideal Soil Temperatures: Soil temperatures around 70°F (21°C) promote good growth.
  • Planting Depths: Plant seeds about 1 inch deep in mounds or rows.
  • Germination Periods: Seeds germinate in 5-10 days under optimal conditions.
  • Height at Maturity: Vines can spread up to 10-15 feet.
  • Days to Maturity: Approximately 75-100 days from planting to harvest.
  • Spacing After Thinning: Plant seeds or seedlings 18-24 inches apart to allow ample space for vine growth.
  • Planting Depth and Timing: Start seeds indoors 3-4 weeks pre-frost or sow directly once soil temperatures reach 70°F.

Sow Butternut Winter Squash after the soil has warmed and frost danger has passed, or transplant established seedlings without disturbing their roots more than necessary. Preserve the recorded spacing because broad leaves and vines can occupy more room than young plants suggest. Check soil moisture at root depth and direct water toward the soil. Once fruit develops, inspect plants frequently and harvest at the stage appropriate to summer or winter squash. Use clean cuts to avoid damaging stems.

Before sowing Butternut Winter Squash, review the packet alongside the current product details and note any range in temperature, germination, or maturity. Ranges reflect biological and seasonal variation rather than a fixed promise. Label each planting with its date and location, then compare emergence, growth, and harvest with local weather. This record is useful for succession plantings and for deciding whether the crop fits better into an earlier or later seasonal window.

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Seed Pack Free Shipping

Spend $30 or more on qualifying seed packs and receive free USPS shipping. This offer applies to orders containing only seed packs or other free-shipping items and requires an address that receives USPS delivery.

Seed-pack-only orders below $30 qualify for $5 flat-rate shipping. These offers are available within the contiguous 48 states.

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Shipping Information

Ships from Northern CA.

Shipping Weight: 0.01 lb

Dimensions: 4.5"L x 3.25"W x 0.1"H

Features

  • Open-Pollinated

Characteristics

Organic Status: Certified Organic Product
USDA Growing Zone: 3 - 9
Approximate Harvest Time : Early Fall
Approximate Harvest Time : Late Fall
Approximate Harvest Time : Late Summer
Growth Habit : Vining
Life Cycle : Tender Annual
Plant Family : Curcubitaceae (Curcubits)
Planting Time : Summer
Seed Unit Sizes : Bulk
Seed Unit Sizes : Seed Pack
Soil pH : 6.1 - 6.5
Soil pH : 6.6 - 7.0
Starting Location : Direct Sow
Starting Location : Start Indoors & Transplant
Sun Requirements : Full Sun
Organic Certifier: USDA

Planting & Care

Soil & Water: Provide squash plants with deep mounds of organic matter, rich soil, and heavy, even water. All squash are extremely frost sensitive, so use mulch to heat soils in early spring and row covers to protect from frost at both ends of the growing cycle, especially in short growing seasons.

Planting & Growing: Start seeds indoors 3-4 weeks before the last frost, or sow seed directly once soils are at least 70°F.

Harvesting & Storage: Harvest when stems begin to shrivel or you can no longer pierce the skin with a thumbnail, but be sure to harvest before the first hard frost. Cut squash from the vine leaving 2"-3" of stem attached. Allow to cure in the sun for 10 days to finish hardening the skins. Store in cool, dry conditions.

Useful Information

Guarantee

Peaceful Valley Farm & Garden Supply brand vegetable seeds are guaranteed to germinate. Once the seeds have sprouted, please understand that Peaceful Valley cannot be held responsible for the many uncontrollable growing and climatic conditions that must be met to ensure the success of your crop(s).

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