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Winter Squash Seeds, Sibley or Pikes Peak
Description
(Cucurbita maxima). This variety produces oblong, teardrop-shaped, slate-blue colored fruit that weigh 9 lbs each. It has thick orange flesh that is sweet and tasty. An excellent keeper, this variety was popular in Missouri and Iowa back to at least the 1840s, believed to be of Native American origin, possibly from Mexico; it was introduced commercially by Hiram Sibley & Co. of New York in 1887.
- 110 days to maturity
- 6-8 hours of sun
- Sprouts in 5-10 days
- Seed Depth: 1/2-1”
- Plant Spacing: 18-36"
- Ideal Temperature: 70-95 F
- Frost Hardy: No
Growing Tips, Tricks and FAQs
Growing Tips
The Sibley or Pike's Peak squash is a hardy and productive variety, known for its excellent storage qualities. It prefers rich, well-drained soil with good fertility, and full sun is essential for optimal growth. Ensure consistent watering, especially during dry periods, to support healthy vines and fruit development. Given its vining nature, allow plenty of space for spreading.
When to Grow
Start seeds indoors 3-4 weeks before the last frost, or direct sow outdoors once the soil has warmed to at least 70 F, usually in late spring. The Sibley squash needs a long growing season of 110 days, so it's best suited for areas with warm summers. Check local frost dates to determine the best time to plant for you.
How to Sow and Plant
Plant seeds about 1/2-1 inch deep, either directly in the garden or in pots if starting indoors. Space the plants 18-36 inches apart to accommodate their growth. If transplanting, harden off seedlings before moving them outdoors to reduce transplant shock, and be careful not to disturb the roots in the process.
How to Grow
Maintain consistent moisture throughout the growing season, particularly during flowering and fruit set. Mulching can help retain soil moisture and suppress weeds. Regular feeding with a balanced fertilizer can enhance growth and yield. Monitor for common squash pests and use organic controls as needed.
How to Save
- There are four different species of squash: Cucurbita maxima, C. pepo, C. moschata, and C. mixta. They will not cross pollinate with each other, so it is possible to grow one of each species for seed saving without worrying about cross pollination.
- If you are planning to grow several varieties of more than one species, you can bag the blossoms and hand pollinate to avoid crossing.
- Whether it is a summer or winter squash, you must let the fruit completely mature before extracting the seeds, and cure for at least two weeks.
- Scoop the seeds, place them in a bucket, and add just enough water to cover. Let sit at room temperature to ferment for two days before rinsing off the pulp.
- Lay seeds out to dry on newspaper or paper plates.
- Stored in a cool, dry place, seeds will remain viable for up to four years.
FAQ
How long does it take for Sibley squash to mature?
Sibley squash usually matures in about 110 days from planting, depending on conditions.
How large do Sibley squash fruits grow?
These fruits typically weigh around 9 pounds, with some reaching larger sizes under ideal conditions.
Is Sibley squash suitable for long-term storage?
Yes, Sibley squash is renowned for its excellent storage qualities, often lasting 6 months or more in proper conditions.
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