Tromboncino Rampicante Climbing Zucchini Seeds
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"Grow the rare Tromboncino Rampicante climbing summer squash with this 25-seed pack from Thresh Seed Company! This heirloom, non-GMO vining zucchini variety produces long, tender fruits perfect for grilling, baking, sautéing, and fresh salads. Easy-to-grow in home gardens, raised beds, or trellises, Tromboncino thrives outdoors and offers a bountiful harvest for both beginner and experienced gardeners. Enjoy nutrient-rich, flavorful squash straight from your garden."





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Features
Life Cycle
Annual
Planting Season
Spring/Summer
Growth Habit
Climbing Vine
Flavor Profile
Sweet, Tender, Mild
Plant Characteristics
Vigorous, High-Yielding Vines
Use
Grilling, Roasting, Sautéing, Fresh Eating
Growing Conditions
Fertile, Well-Drained Soil, Full Sun
Harvest Advantages
Long Harvest Period, Large Fruits
Plant Resistance
Disease-Tolerant
About Tromboncino Rampicante Climbing Zucchini Seeds
Cucurbita moschata
Seed Names
Tromboncino, Rampicante, Climbing Zucchini
Seed Type
Heirloom, Non-GMO
Tromboncino Rampicante Climbing Zucchini is a unique heirloom zucchini known for its long, trombone-shaped fruits that can grow up to 3–4 feet when allowed to climb. Its tender, mild-flavored flesh is perfect for grilling, roasting, and fresh eating. Vigorous climbing vines make it ideal for trellises or fences, providing abundant harvests over an extended season.
Planting Information
Light Requirement
Full Sun
Planting Depth
½–1 inch
Sowing Method
Direct sow / Indoor seed-starting
Plant Spacing
36–48 inches
Days to Maturity
70–90 days
Soil Preparation
Direct sow after last frost / Start indoors 2–4 weeks early
Hardiness Zones
3–10
Water Needs
Moderate, Even Moisture
Planting Season
Spring/Summer after frost
Coverage
Seed Count
Recommended Coverage
100
up to 50–60 sq.ft
500
up to 250–300 sq.ft
1000
up to 500–600 sq.ft