Heirloom Seeds
Chirimen Squash Seeds, Rare Japanese Kabocha Heirloom
Sold by Autumn Prairie Pumpkins · United States
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Chirimen is one of Japan's most prized traditional squash varieties, a deeply ribbed, warted kabocha-type that has been grown for centuries in Japanese gardens. The name means "crepe" in Japanese, a reference to the distinctive crinkled, textured skin that
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makes each fruit look like it was carved rather than grown. 🛡️ Vine borer resistance , the solid stems of Cucurbita moschata can offer some resistance to squash vine borers, but plants still need monitoring for damage. Cucurbita moschata varieties are generally less susceptible to squash vine borers than many other squash, but damage is still possible. Growing conditions and care matter. Why species predicts survival here. ✅ Germination Promise: if your seeds fail to germinate under proper growing conditions, contact us within one year and we will replace them or refund your purchase. See the details . What makes Chirimen worth growing in a Kansas garden: it is Cucurbita moschata, which means it carries natural resistance to squash vine borers, the pest that wipes out most pumpkins before they even set fruit. You get the beauty and sweetness of a Japanese kabocha, with the toughness of a moschata vine. About the Variety Dark green skin that ripens to rich bronze-orange as it matures Deeply ribbed and heavily warted exterior, each fruit looks genuinely one of a kind Dense, sweet orange flesh, dry texture, perfect for roasting, tempura, soups, and pies Fruits run 5–11 lbs each, with prolific vines producing 8 or more fruits per plant 100–120 days to maturity Excellent storage, keeps well into winter without refrigeration Growing Notes Direct sow after last frost, or start indoors 2–3 weeks early. Chirimen thrives in full sun with consistent moisture. As a Cucurbita moschata, it is highly resistant to squash vine borers and handles summer heat well. Harvest when skin hardens fully and stem begins to dry. Cure in a sunny spot for 10 days before storage. In Your Kitchen Chirimen's dense, dry flesh is the squash that cooks actually want. Roast it, steam it, use it in tempura or nimono. The flavor is deep, sweet, and slightly nutty, closer to a chestnut than a typical squash. It stores for months without losing quality. What You'll Receive Heirloom, open-pollinated, non-GMO Chirimen Squash seeds packed for 2026. From our small-batch seed inventory at Autumn Prairie Pumpkins, Newton, Kansas. Results depend on your soil, climate, and growing conditions. Not certified heirloom. Read the full Chirimen Squash Growing Guide → Compare your seed choices: Browse Cucurbita moschata pumpkin and squash seeds for more varieties, and check each listing for maturity, growing space and packet options.