Yellow Crookneck Squash (2026)
Heirloom summer squash; buttery flavor.
Which zones grow Yellow Crookneck best?
Yellow Crookneck is a squash variety rated for zone 3 and warmer (frost-free). In colder zones, start seeds indoors earlier and use a longer-season plan; in very hot zones (9+), pick the cooler fall window. The ZIP tool below gives the exact answer for your neighborhood.
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Plan backwards — target a harvest date
Tell me when you want your first ripe squash and your ZIP; I'll reverse-calculate seed-start, transplant, and harvest dates for Yellow Crookneck.
Plan backwards — target a harvest date
Tell me when you want your first ripe fruit and your ZIP; I'll work out the transplant and seed-start dates for this exact variety.
Growing notes
- Maturity: about 53 days from transplant (longer from seed in cool springs).
- Habit: Bush or trailing habit — compact, container-friendly.
- Season fit: needs roughly 73 frost-free days; check with the ZIP tool above.
- Source data: compiled from public seed catalogs (Seed Savers Exchange). Days-to-maturity vary by climate.
Compare with similar varieties
How Yellow Crookneck stacks up against its closest relatives.
| Variety | Days | Type | Habit | Min zone |
|---|---|---|---|---|
| Yellow Crookneck (this) | 53 | summer | bush | 3+ |
| Black Beauty Zucchini | 50 | summer | bush | 3+ |
| Golden Zucchini | 52 | summer | bush | 3+ |
| Sugar Pie Pumpkin | 100 | winter | vining | 3+ |
| Howden Pumpkin | 110 | winter | vining | 3+ |
| Waltham Butternut | 100 | winter | vining | 3+ |
Similar varieties
Black Beauty Zucchini
50 days · summer · zone 3+
Golden Zucchini
52 days · summer · zone 3+
Sugar Pie Pumpkin
100 days · winter · zone 3+
Howden Pumpkin
110 days · winter · zone 3+
Waltham Butternut
100 days · winter · zone 3+
Data: USDA 2023 Plant Hardiness Zone Map (PRISM/OSU), NOAA 1991-2020 frost normals, and public seed catalog listings. Always confirm with the seed packet.