VegetableSquash
Triamble Squash
Triamble is an Australian heirloom winter squash that turns heads in both the garden and the kitchen. Its distinctive three-lobed shape, resembling a shamrock, is wrapped in blue-gray skin that deepens as it matures. The dense, sweet orange flesh inside makes it a standout for cooking and storage, easily keeping for many months after harvest. Growing on vigorous vines in 100-109 days, this annual thrives in zones 3-13 and produces hard rinds that protect the fruit through winter.
Photo © True Leaf Market
Growing Conditions
USDA Zone
3-13
Sunlight
Full Sun
Water
Moderate
Soil
Well-drained, Fertile Loam, Rich
Growth Stats
30 in
Height
TypeVining
Spacing
48
Plant Profile
Sunlight
Full Sun
Water
Moderate
Zones
3-13
Size
30in H x ?in W
Growth
—
Care
High
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Highlights
The Triamble's unusual beauty comes from its three-lobed form and blue-gray coloring, but the real draw is what lies beneath: dense, sweet orange flesh that cooks to a rich, creamy texture. Its vigorous vines and exceptionally hard rinds make it one of the finest keepers among winter squashes, often storing for many months in cool conditions. This heirloom excels equally as an edible crop and as a striking display piece.
Common Uses
Triamble is grown primarily for cooking and long-term storage. The dense, sweet orange flesh works beautifully in soups, roasted dishes, and purees. Its hard rind and excellent keeping quality make it popular among gardeners who want to preserve their harvest through winter months, either for personal use or for display and decoration.
Growing Timeline
No timeline data available yet for this variety.
Care Instructions
Direct Sow
Direct sow Triamble seeds into warm soil after all danger of frost has passed. Plant seeds at the spacing recommended for your garden layout, allowing 100-109 days for the fruit to reach full maturity.
Harvesting
Harvest Triamble when the stem connecting the fruit to the vine has hardened and turned woody, typically in 100-109 days. The skin should be fully colored in blue-gray tones and resistant to fingernail penetration. Cut the fruit from the vine using a sharp knife, leaving 2-3 inches of stem attached to extend storage life.
Pruning
No pruning is necessary for Triamble. As a vigorous vining variety, allow the plant to spread naturally across its allotted space. Remove only damaged or diseased foliage to maintain plant health.
Growing Calendar
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Companion Planting
Pests & Diseases
Ecology & Traits
Edible
Scientific Classification
Cucurbita maxima
Family
Cucurbitaceae
Genus
Cucurbita
Growth Habit
Vining
Native Status
L48 (I)PR (I)
History & Origin
“Triamble originated in Australia as an heirloom variety, carrying the genetics and growing wisdom of generations of growers who selected it for both its distinctive appearance and exceptional storage quality. The variety has been preserved and distributed through seed networks as an open-pollinated, non-GMO heirloom, allowing home gardeners to save seeds and continue the lineage themselves.”