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Product Details
Product Details
Winter squash gives you the perfect reason to look forward to winter! The rich, sweet flavor of butternut quickly became a classic and has set a high bar. Roast, bake, or purée into a soup for classic winter fare. 4 to 5 fruits per plant; solid stems resist squash vine borers. Stores for months! 1970 All-America selections winner.
Your hardiness zone is
- Variety Info
- Sowing Info
- Growing Info
Variety Info
Days to Maturity: 100 days
Family: Cucurbitaceae
Type: Butternut Squash, Winter Squash (Learn more)
Native: Northern Columbia
Hardiness: Frost-sensitive annual
Exposure: Full sun
Plant Dimensions: 8' vines
Variety Info: 8"–12" long, 3–6 pounds, light tan skin with yellowish-orange flesh.
Attributes: Squash Vine Borer Resistant, Frost Sensitive
Sowing Info
When to Sow Outside: RECOMMENDED. 1 to 2 weeks after your average last frost date, and when soil temperature is 70°–85°F.
When to Start Inside: Not recommended except in very short growing seasons, 2 to 4 weeks before your average last frost date. Roots sensitive to disturbance; sow in 4" biodegradable pots that can be planted directly into the ground. Transplant when soil temperature is at least 60°F.
Sprouts in: 5–10 days
Plant Seeds (Depth): ½–1"
Space Seeds: 2–3 seeds per mound
Row Spacing: 6'–8'
Thinning: When 3" leaves, thin to 1–2 per mound
Growing Info
Harvesting: Harvest when the squash's rind is hard enough that you can't dent it with your fingernail and before first frost. Cut stem, (don't break it off) leaving 2" of stem attached, which keeps the squash whole, leaving no opening for infection. Though fruits are hard and may seem indestructible, treat them gently; bruising can spoil squash.
- Eliza S.Verified ReviewerRated 5 out of 5 starsOct 2, 2026Truly disease resistant!
It is October and these butternut squash plants are thriving! All my other pumpkins and curbits got mildew and disease but the Waltham butternut looks fresh and green. Ten squash and counting from a few plants. They will spread and climb to no limit!!!! 10/10
Which best describes you as a gardener? IntermediateEGEpic GardeningOct 5, 2026Hey Eliza,
We're so happy to hear that your Waltham Butternut Winter Squash Seeds are thriving and staying so healthy while your other plants dealt with mildew and disease! That's awesome that you're already counting ten squash and still going strong in October. Thanks so much for being part of the growing community! Keep on growing 🌻
- Bridget S.Rated 5 out of 5 starsNov 24, 20235 Stars
I planted 3 squash seeds. They went crazy, over the trellis, over the 6' garden fence, and well into the yard. I ended up harvesting 54 squash. :)
- Banks B.Rated 5 out of 5 starsNov 2, 20235 Stars
I’ve never been good at growing squash. I’ve tried over the past two years, and I haven’t been ever able to successfully even get a flower on my squash.This year was different though, when I tried to grow the butternut squash, it actually worked really well and a squash is developing on my plant.
- Rhonda G.MS, United StatesVerified BuyerRated 5 out of 5 starsNov 2, 2026Growing
Small squash on vines
Which best describes you as a gardener? IntermediateWho do you grow for? YourselfHow do you prefer to grow? Raised BedEGEpic GardeningNov 3, 2026Hey Rhonda,
Thanks so much for the 5-star review! We love hearing that your Waltham Butternut Winter Squash is growing well on the vines. That's awesome to hear, and we appreciate you taking the time to share how things are coming along in your garden.
Keep on growing 🌻
- Charlene D.TN, United StatesVerified BuyerRated 4 out of 5 starsNov 15, 2025My favorite winter squash
Was a very good germination rate and a great harvest this year can't wait to grow them next year
Which best describes you as a gardener? BeginnerWho do you grow for? YourselfHow do you prefer to grow? In Ground
