By Nik Crawley, founder of GardenTrack · Updated July 23, 2026
✓ In your garden
Red Kuri is the Japanese squash that tastes like chestnuts — a smooth, teardrop, orange-red fruit (its name comes from 'kuri,' Japanese for chestnut) with dense, dry, sweet golden flesh that purées into the silkiest of soups. Its thin skin softens and turns edible once cooked, so there's no peeling. The honest trade-offs are two sides of that thin skin: it keeps only a few months rather than all winter, and its dry flesh is best blended into soup rather than cube-roasted.
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whole Red Kuri (Uchiki Kuri) squash — smooth, teardrop / onion-shaped fruits with matte red-orange skin and no ridges, tapering to a corky stem · Photo: Philafrenzy
(CC BY-SA 4.0, via Wikimedia Commons)
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Kuri / Hokkaido (C. maxima)Chestnut-sweet, dryEdible skin
“A teardrop Japanese Cucurbita maxima squash with dense, dry, chestnut-sweet flesh built for soup and purée — its thin skin turns edible once cooked, but that same thinness means it keeps only a few months, not all winter.”
Days to maturity~90–95 daysneeds a long, warm season
Shape / sizeteardrop orange, 2–7 lb'a small pumpkin without the ridges'
SpeciesCucurbita maxima (Hokkaido)the orange kuri type, related to kabocha
Storage~2–4 monthsthin skin — a fall/early-winter squash
Flavor for soupChestnut-sweet 5/5
Dense, dry, and sweet with a distinctly nutty, chestnut-like taste ('kuri' is Japanese for chestnut). The low-moisture golden flesh purées silky-smooth and gives soups and bisques body without watering them down — its signature strength.
Edible skin & sizeNo-peel, single-meal 4/5
The thin skin softens completely when cooked and can be eaten — no peeling — and at ~3–4 lb with a small seed cavity it's a single-meal squash with a high flesh-to-waste ratio.
StorageOnly a few months 2/5
The thin skin that makes it edible is the trade-off for keeping: realistically ~2–4 months cured, well short of a thick-shelled Hubbard. (Our DB previously tagged it 'long storage,' which oversells a thin-skinned squash — treat it as a fall/early-winter squash.)
Texture & pestsDry — and borer-prone 2/5
The dry, starchy flesh is a virtue in soup but can read mealy or cottony if you roast it in chunks expecting a moist, custardy squash — it's a soup/purée squash first. And as a Cucurbita maxima it's a preferred squash-vine-borer host (butternut resists; Red Kuri doesn't).
The best squash for a silky soup — you just blend it rather than cube-roast it, and eat it by early winter.
SweetNuttyChestnut-likeDry & dense
✓ Chestnut-sweet, silky in soup, no peeling~ Dry flesh — best blended, not cube-roasted✗ Not an all-winter keeper
Numbers from university growing guides. Ratings are our take, judged against all winter squash. Tap a meter to see why.
Growing basics — shared by every winter squash
Red Kuri Squash grows like any other winter squash. The full picture — how deep to plant, spacing, feeding, pests, harvest — lives on the Winter Squash page so it's maintained in one place.
Cube-roasted as a moist sideDry flesh — can turn mealy; blend instead.Skip it
Our take, from how it grows and cooks — kitchens vary.
What Red Kuri Squash is known for
We hold one description of this variety and no record of who made it, so it is not printed here.
An unattributed claim about a plant is a claim we would be making ourselves, and we would rather
show you the gap than fill it.
Greenhouse or cover on: your start slides ~4 weeks earlier and your harvest stretches ~3 weeks later (shown striped).
Planting seeds straight in the ground only works where the season's long and warm — most gardeners start seeds indoors or buy young plants, or you'd pick your first tomato right as frost hits.
Comfortable — first ripe fruit lands around late Jul, well before your typical frost (~late Oct).
Plant seeds outside
early May – early May
Growing
early May – late Jul
Picking
late Jul – mid Aug
Typical dates for zone 6b — set your zone or ZIP above for yours.
Growing Red Kuri Squash — the things that trip people up
Grow it for soup. Red Kuri's dense, dry, chestnut-sweet flesh purées silky and thickens a bisque without watering it down — that's its signature. Roasted in chunks it can read starchy or mealy, so blend, mash, or bake it rather than expecting a moist, custardy squash.
Don't peel it — cook first. The thin skin is hard raw and not worth fighting, but it softens completely and becomes edible once cooked, so roast halves or wedges skin-on. That same thin skin is why it's only a 2–4 month keeper; eat it through fall and early winter.
Mind the borer. As a Cucurbita maxima, Red Kuri is a preferred squash-vine-borer host (a butternut is the resistant swap) — use row cover until flowering and scout the stem base. Set your zone on the [winter squash page](/plants/squash-winter/) for your dates.
From university growing guides (see Sources).
Where Red Kuri comes from
Red Kuri is a Japanese Hokkaido-group winter squash (Cucurbita maxima), developed on the northern island of Hokkaido in the early 20th century. It's known in Japan as 'Uchiki Kuri,' in France as 'potimarron,' and in the UK and Europe as 'onion squash' or '(orange) Hokkaido.' The name comes from the Japanese 'kuri,' meaning chestnut — for its nutty, dense flesh.
One honest labeling note: seed catalogs (and GardenTrack's own database) sometimes file Red Kuri under 'kabocha.' It's the same species and the same Japanese Hokkaido family, but Red Kuri is the orange kuri type — related to, but visually distinct from, the flatter green-skinned squash usually sold as kabocha.
The chestnut squash, built for soup
You can spot Red Kuri by its teardrop or onion shape — often described as 'a small pumpkin without the ridges' — in smooth, matte red-orange, usually 3–4 pounds with a small seed cavity and lots of flesh. But the reason to grow it is inside: dense, dry, golden flesh with a distinctly nutty, chestnut-like sweetness.
That dryness is the whole trick. The low-moisture flesh purées silky-smooth and gives soups and bisques real body without turning them watery — its signature use, and where it beats a moister butternut. The catch is the mirror image: eaten as roasted chunks, expecting something custardy, it can read starchy or mealy. It's a soup-and-purée squash first, so blend it, mash it, or bake it rather than simply cubing and roasting.
Edible skin, but only a few months' keeping
Red Kuri's thin skin is a real convenience: it softens completely when cooked, so you eat it — no peeling. Roast halves or wedges skin-on and it disappears into the flesh. (Raw, the rind is hard and not worth fighting to peel, so cook first, then the skin is soft.)
That thin skin is also the honest limit on storage. Realistic keeping is roughly 2 to 4 months cured — well short of a thick-skinned Hubbard's five or six — so it's a fall and early-winter squash, not an all-winter keeper. Our database previously tagged it 'long storage,' which oversells a thin-skinned squash; treat it as one to enjoy before your butternuts and hubbards. The thin skin also bruises and nicks easily, and any wound shortens storage further, so handle it gently and never carry it by the stem.
Growing Red Kuri
Give it full sun (8–10 hours is ideal) and rich, well-drained soil with compost worked in. Direct-sow after all frost once the soil hits 65–70°F, or start 2–4 weeks early indoors. Give the long vines room — about 3–4 feet between plants and 6–8 feet between rows — and expect only around 2–3 fruits per plant, so it's a space investment. Water deeply and consistently, easing off as the fruit matures.
Because it's a Cucurbita maxima, scout early and often for squash vine borer and squash bugs — floating row cover until flowering helps a lot. Harvest when the skin is fully red-orange, hard enough to resist a fingernail, and the stem has begun to dry and cork; cut with 2–3 inches of stem. Cure about 10 days at 80–85°F to harden the skin, then store single-layer at 50–55°F away from ripening fruit, and plan to eat it within a few months.
What goes wrong — and the fixes
Squash vine borer is the main risk — as a Cucurbita maxima, Red Kuri is a preferred host (butternut resists; this doesn't). Row-cover until flowering and watch the stem base; squash bugs feed heavily on maxima squash too.
Storage rot from the thin skin: nicks, bruises, or skipping the cure lead to early spoilage, so handle it gently, never carry it by the stem, and cure it before storing. Expect only 2–4 months regardless.
Poor fruit set follows few bees or extreme heat, and powdery mildew is common on the sprawling late-season foliage. And if the cooked flesh reads mealy, that's the dry texture — blend it into soup rather than cube-roasting it.
In the kitchen
Silky puréed soup and bisque is the headline use — the dry flesh thickens without turning watery, and the chestnut sweetness carries a bowl beautifully. Beyond that, mash or purée it as a side, fold it into risotto and pasta, or roast halves and wedges with the edible skin on. It bakes in place of pumpkin purée for pie, muffins, and quick breads, and holds its shape in curries, stews, and tagines.
It even tempuras and stuffs-and-bakes whole, and the seeds clean up and roast like pumpkin seeds. The one thing to keep in mind is its dry texture: it rewards being blended, mashed, or baked more than simply cubed and roasted, where it can turn mealy.
Red Kuri Squash winter squash at a glance
Red Kuri Squash Winter Squash — at a glance
Type
Kabocha
Grows as
Bush (determinate)
Days to ripe
92 days after you plant it outside
Color
Orange
Extra fields from seed-catalog listings and university growing guides. Days to ripe and disease resistance shift with your climate and seed source — double-check with your local extension office before you buy.
Watch: growing Red Kuri Squash
Red Kuri Squash: Growing, Vine Borers, Squash Bugs · Gardens AllWhen To Harvest Red Kuri Squash · HOSS
Embedded from their creators on YouTube — full credit and views go to the channel.
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Common questions about Red Kuri Squash
Do you peel Red Kuri squash?
No — the thin skin softens completely when cooked and is eaten. Roast halves or wedges skin-on, or cook it before adding to soup, and the skin disappears into the flesh. Raw, the rind is hard and not worth fighting to peel, so the trick is simply to cook it first; then there's nothing to remove.
How long does Red Kuri squash store?
Only about 2 to 4 months, even cured — the thin skin that makes it edible is the trade-off for keeping. That's well short of a thick-shelled Hubbard's 5–6 months, so treat Red Kuri as a fall and early-winter squash and eat it before your longer-keeping butternuts and hubbards. Handle it gently, since nicks shorten storage further.
Why is my Red Kuri squash dry or mealy?
Because it's naturally dense and dry — that's the point of it, but only if you use it right. The dry flesh purées silky and thickens soup without watering it down, which is its signature. Roasted in chunks expecting a moist, custardy squash, though, it can read starchy or mealy. Blend it, mash it, or bake it rather than cube-roasting.
Is Red Kuri the same as kabocha?
They're close cousins, not the same. Both are Cucurbita maxima Japanese Hokkaido-group squash, but Red Kuri is the orange, teardrop 'kuri' type, while 'kabocha' usually refers to the flatter, green-skinned squash. Catalogs (and our own database) sometimes file Red Kuri under 'kabocha,' but visually and by name it's the orange Hokkaido / potimarron.
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