Squash - Kabocha Sweet Mama - Japanese Pumpkin

Product Information

Seed Count: ~10 seeds
Botanical Name: Cucurbita maxima
Plant Type: Hybrid winter squash
Growth Habit: Vining (trellising recommended)
Sun Exposure: Full sun
Frost Hardy: No

Kabocha Squash Seeds for Sweet, Compact Winter Squash

Kabocha squash is a compact, drum-shaped winter squash with dark green skin and dense, sweet flesh prized for roasting, soups, and curries. Producing high yields of 2–3 lb fruits, this variety combines excellent flavour with manageable size, making it a favourite for home gardeners with limited space. Its rich texture and long storage life make it a versatile staple crop for fall and winter cooking. As a trusted Canadian seed shop, quality is always our top priority. Explore our seed collections to find carefully selected vegetable varieties for your garden.

A High-Yield Winter Squash with Excellent Storage

This kabocha variety grows on vigorous vines and benefits from trellising to support the developing fruits. Once harvested, squash can be stored for up to four months under proper conditions, allowing you to enjoy homegrown produce long after the growing season ends.

Japanese Squash Seeds for Traditional and Modern Gardens

Kabocha is widely known as a classic variety grown from Japanese squash seeds, valued for its sweet, chestnut-like flavour and compact winter squash size. Originating from Japanese breeding, this squash is a staple in traditional cuisine and performs exceptionally well in cooler climates. As Japanese squash seeds, kabocha benefits from warm soil, full sun, and careful transplanting, producing reliable harvests of richly flavoured fruits ideal for roasting, soups, and long-term storage.

Growing Details

Days to Maturity: ~75 days
Seed Depth: 3.5–4 cm (1½ inches)
Plant Spacing: 90 cm (3 feet) apart
Starting Method: Start indoors in peat pots 4 weeks before last frost
Transplanting: Transplant outdoors once all risk of frost has passed
Soil Temperature: Warm soil required for planting

FAQs

How do I grow kabocha squash from seed?

In order to grow kabocha squash from seed, you need to start seeds indoors in peat pots several weeks before the last frost and transplant carefully once soil has warmed. Avoid disturbing roots during transplanting.

Does kabocha squash need trellising?

Yes, due to its vining growth habit and heavy fruits, trellising is recommended to support healthy development and save space.

How long can kabocha squash be stored?

When cured and stored properly, kabocha squash can be kept for up to four months.