Straightneck Yellow Summer Squash
Straightneck Yellow Summer Squash is a hybrid squash variety (Cucurbita pepo 'Early Yellow Summer Crookneck' (straightneck variety)). Harvest begins around day 50-55; seed germinates in 7-10 days. Set plants 36-48 inches apart. Grow in soil pH 6.0-7.5, zones 3-11, full sun (6+ hours). Plants reach 1-3 feet. It will crop in a container. Hybrid seed does not come true, so it has to be bought fresh each season rather than saved.

Sowing
Direct sow after soil reaches 65°F and danger of frost has passed. Plant seeds 1 inch deep.
Cultivation
- Sun
- Full sun (6+ hours)
- Water
- 1-2 inches per week, consistent moisture
- Soil
- Well-drained, fertile soil rich in organic matter
- Soil pH
- 6.0-7.5
- Spacing
- 36-48 inches
- Height
- 1-3 feet
- Season
- Warm season
Appearance & flavour
- Colour
- Bright golden yellow
- Size
- 6-8 inches long, 2-3 inches diameter
- Shape
- Straight, cylindrical with slightly tapered ends
- Flavour
- Mild, slightly sweet, tender texture with subtle squash flavor
In the kitchen
Sautéing, grilling, baking, casseroles, soups, quick breads, fritters
Pests, disease & resistance
- Pests
- Squash bugs, cucumber beetles, aphids, squash vine borers
- Diseases
- Powdery mildew, downy mildew, bacterial wilt
- Resistance
- Moderate resistance to common squash diseases
Planting calendar by USDA zone
| Zone | Start indoors | Transplant | Direct sow | Harvest |
|---|---|---|---|---|
| 1 | — | — | July – August | September – August |
| 2 | — | — | June – August | September |
| 3 | — | — | June – July | August – October |
| 4 | — | — | June – July | August – October |
| 5 | — | — | May – June | August – September |
| 6 | — | — | May – June | July – September |
| 7 | — | — | April – June | July – August |
| 8 | — | — | April – May | June – August |
| 9 | — | — | March – April | May – July |
| 10 | — | — | February – April | May – June |
| 11 | — | — | January – March | April – May |
| 12 | — | — | January – March | April – May |
| 13 | — | — | January – March | April – May |
Companion planting
8 beneficial pairings indexed for this variety, 3 to avoid.
Avoid
Nutrition (per 100 g)
- Calories (per 100 g)
- 26
- Protein (g)
- 0.52
- Fat (g)
- 0.2
- Carbohydrate (g)
- 5.64
- Sugars (g)
- 3.54
- Vitamin C (mg)
- 4.5
- Vitamin E (mg)
- 0
- Vitamin B6 (mg)
- 0.058
- Folate (µg)
- 22
- Calcium (mg)
- 9
- Iron (mg)
- 0.17
- Magnesium (mg)
- 10
- Phosphorus (mg)
- 12
- Potassium (mg)
- 205
- Zinc (mg)
- 0.07
Where to buy seed and equipment
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Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.
Grown Straightneck Yellow Summer Squash?
Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.
Similar varieties
Other squash with a comparable time to harvest, so a season that suits Straightneck Yellow Summer Squash suits these too.
- Yellow Crookneck Summer Squash 50 days
- Yellow Pattypan Squash (Sunburst) 50 days
- Zucchini Eight Ball 50 days
- Yellow Scallop Pattypan 50 days
- Zucchini Dark Green 50 days
- Zucchini Green Machine 50 days