SproutSmart
SproutSmart™ Intelligent Garden Sowing

Orange Hokkaido

Squash
Zone 3b Save Garden

Planting Schedule

Add Orange Hokkaido to your garden to build a schedule and get reminders.
Botanical illustration of Orange Hokkaido
90d to harvest

Sink your spoon into the sunlit sweetness of Orange Hokkaido—an heirloom-style Kuri squash with a vivid orange shell and a velvety, fine-grained interior that turns silky when roasted. The flesh is rich and aromatic, offering a comforting sweetness and a tender bite that shines in autumn mashes and smooth purees, as well as hearty baked dishes. Grow it for a long, satisfying season: sturdy vines, reliable set, and fruit that stores beautifully for weeks of golden harvest.

Crop Dates

MilestoneDate
Start IndoorsMay 5th
Last FrostMay 19th
Transplant / Sow OutdoorsMay 19th
Harvest BeginsAug 17th
Harvest EndsSep 21st

Crop Details

TraitValue
Days to Maturity90
Sun RequirementsFull SunFull sun
Growth HabitVine
Support NeededTrellis
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)65
Min Night Temp (°F)55
Harden Off (days)10

Today's Conditions

Outdoor planting for Orange Hokkaido in Zone 3b typically begins around 2026-05-19. Wait until soil reaches at least 65°F before transplanting Orange Hokkaido.

Garden Alerts

In Zone 3b, the average last spring frost is around May 19. Watch soil temperature before transplanting Orange Hokkaido.

Recommended Companions

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Alaska Nasturtium Nasturtium
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Honey Pearl Corn
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Moonsong Deep Orange Marigold
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Frequently Asked Questions

What pest or disease most commonly affects Cucurbita maxima (Orange Hokkaido), and how can I control it?
Look for powdery mildew on leaves as the vines age; it often shows as a white dusting and can reduce fruit size. Improve airflow by spacing plants well and removing only heavily diseased leaves, then start treating early with a labeled fungicide for squash/powdery mildew. Also avoid wetting foliage when watering—use a soaker hose or water at the soil line.
How often should I water Orange Hokkaido (Cucurbita maxima) during the main growing phase?
During vine growth and until the fruits are well formed, water deeply about 1–2 times per week so the soil moisture reaches several inches down. Let the top 1–2 inches of soil dry slightly between waterings to prevent stress and reduce disease pressure, especially once leaves begin to canopy. When fruits are sizing, keep moisture steady—irregular watering can lead to poor development and sunken or misshapen squash.
Botanical illustration of Orange Hokkaido

Sink your spoon into the sunlit sweetness of Orange Hokkaido—an heirloom-style Kuri squash with a vivid orange shell and a velvety, fine-grained interior that turns silky when roasted. The flesh is rich and aromatic, offering a comforting sweetness and a tender bite that shines in autumn mashes and smooth purees, as well as hearty baked dishes. Grow it for a long, satisfying season: sturdy vines, reliable set, and fruit that stores beautifully for weeks of golden harvest.

Today's Conditions

Outdoor planting for Orange Hokkaido in Zone 3b typically begins around 2026-05-19. Wait until soil reaches at least 65°F before transplanting Orange Hokkaido.

Garden Alerts

In Zone 3b, the average last spring frost is around May 19. Watch soil temperature before transplanting Orange Hokkaido.

Sowing Tips

Transplant Conditions

Wait until soil reaches 65°F and nights stay above 55°F before moving outdoors. Harden off for 10 days first.

Direct Sow Preferred

Sensitive roots — does not transplant well. If starting indoors, use biodegradable pots and disturb roots as little as possible when moving outdoors.

Expert Note

For Kuri (Cucurbita maxima), use raised mounds and wait for warm soil to speed rooting—consistent moisture early reduces split fruit later.