Winter Squash
Cucurbita maximafam. Cucurbitaceae
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Pl. 2382 — Cucurbita maxima
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IOverview
Overview
Winter Squash (Cucurbita maxima) is a vine and forb/herb native to the northeastern and northwestern regions of Argentina and Bolivia. This annual plant thrives in full or partial sun with moist soil, adapting well to light, medium, and heavy clay soils. Known for its edible parts—flowers, fruit, leaves, and seeds—it has been cultivated for its culinary value. Winter Squash can grow up to 0.6 meters tall and spread out to 1 meter wide, making it a distinctive feature in gardens and fields with its sprawling habit.
Quick answers
What is Winter Squash?
Winter Squash (Cucurbita maxima) is a vine and forb/herb native to the northeastern and northwestern regions of Argentina and Bolivia. This annual plant thrives in full or partial sun with moist soil, adapting well to light, medium, and heavy clay soils.
Growingconditions · propagation · uses
VCultivation
Cultivation
Winter Squash (Cucurbita maxima) thrives in full to partial sun and requires moist soil that can be light (sandy), medium, or heavy (clay). It is hardy in zones 2-11, making it suitable for temperate regions. The plant grows as a vine up to 0.6 meters tall with a spread of 1 meter. For best results, ensure the soil remains consistently moist and provide ample sunlight. Propagation can be done through seed. Harvest flowers, fruits, leaves, and seeds for culinary use.
Light
Full sun, Partial sun/shade
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
2-11
Life cycle
Annual
Habit
Vine, Forb/herb
Mature size
0.6 m × 1 m
For first-time growers
How to grow Winter Squash for the first time
8steps
Start with simple soil and basic care for a successful winter squash harvest.
- 1
What you'll need
Seeds, garden space or containers, compost, mulch.
- 2
Best time to plant
Plant after the last frost in spring when soil is warm.
- 3
Soil and container prep
Choose a sunny spot with well-draining soil. Amend with compost if needed.
- 4
Sowing or transplanting
Direct sow seeds 1 inch deep, 3-4 feet apart in rows 6-8 feet apart. Or start indoors and transplant after danger of frost passes.
- 5
First two weeks
Keep soil consistently moist. Mulch to retain moisture and suppress weeds.
- 6
Ongoing care
Water regularly, especially during fruiting. Fertilize once a month with compost tea. Support vines if needed.
- 7
Harvest or pruning
Prune occasionally to remove dead leaves and promote air circulation. Harvest when fruits are fully colored and firm.
- 8
Common mistakes
Overwatering, not providing enough support for vines, neglecting to prune, planting too close together, waiting too long to harvest.
VIEdible & utility
Edible & utility
Edible parts:FlowersFruitLeavesSeed
Edible uses: Oil
Other uses:Cosmeticoil
Contextrange · companions · related
VIIDistribution
3 native · 27 introduced
Distribution
3 native · 27 introducedDistribution across4 continents· 3 native· 27 introduced
Asia4 regions
introduced (4)BangladeshChinaIndiaLaos
Americas3 regions
native (1)Bolivia
introduced (2)Dominican RepublicHaiti
Africa8 regions
introduced (8)BeninCabo VerdeCameroonChadComorosCôte d'IvoireGambiaGuinea
Oceania1 region
introduced (1)Nauru
Broader regions
native:Argentina Northwest, Argentina Northeast
introduced:Caroline Is., Cook Is., East Himalaya, Gulf of Guinea Is., Maine, Marianas, Marshall Is., Massachusetts, Michigan, New York, New Zealand North
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family (Cucurbitaceae), common use cases, and growing requirements.
same family · Cucurbitaceae
Botanical relatives — often share phytochemistry + growing needs.
XI
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Companion planting
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