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Squash · Cucurbita pepo 'Yellow Straightneck'

Yellow Straightneck Zucchini

Yellow Straightneck Zucchini is a hybrid squash. Germination takes 7-10 days and fruit ripens from about day 48-55. Skin runs to bright golden yellow. Water need is 1-2 inches per week, consistent moisture. Suits zones 3-11. It will crop in a container. As a hybrid it will not breed true; saving seed from it is not worth the space.

Squash
48-55days to harvest
7-10days to germinate
Z3–11USDA zones
Easydifficulty
F1 hybridContainer friendly

Sowing

Direct sow after last frost when soil is 60°F+. Plant seeds 1 inch deep.

Cultivation

Sun
Full sun (6+ hours)
Water
1-2 inches per week, consistent moisture
Soil
Well-drained, fertile soil with compost
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 when harvested young
Shape
Straight cylindrical with slight taper
Flavour
Mild, tender, slightly nutty when young

In the kitchen

Grilling, sautéing, baking, bread, fritters, stir-fries

Pests, disease & resistance

Pests
Squash bugs, cucumber beetles, aphids
Diseases
Powdery mildew, bacterial wilt, mosaic virus
Resistance
Moderate resistance to common viruses

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
1——July – AugustSeptember – August
2——June – AugustSeptember
3——June – JulyAugust – October
4——June – JulyAugust – October
5——May – JuneAugust – September
6——May – JuneJuly – September
7——April – JuneJuly – August
8——April – MayJune – August
9——March – AprilMay – July
10——February – AprilMay – June
11——January – MarchApril – May
12——January – MarchApril – May
13——January – MarchApril – May

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

NasturtiumsActs as trap crop for squash bugs and cucumber beetles, repels aphids
MarigoldsDeters squash bugs, cucumber beetles, and nematodes with natural compounds
RadishesRepels squash vine borers and cucumber beetles, planted early as companion
BeansFix nitrogen in soil to benefit heavy-feeding squash plants
CornProvides natural trellis and shade, part of Three Sisters planting method
CatnipStrongly repels squash bugs, cucumber beetles, and flea beetles
OreganoRepels cucumber beetles and provides general pest deterrent properties
DillAttracts beneficial insects like parasitic wasps that control squash pests

Avoid

PotatoesCompete for space and nutrients, both are heavy feeders requiring similar soil resources
MelonsAttract same pests like cucumber beetles and squash bugs, increasing pest pressure
PumpkinsCross-pollination risk and competition for space, nutrients, and water

Nutrition (per 100 g)

Calories (per 100 g)
21
Protein (g)
2.71
Fat (g)
0.4
Carbohydrate (g)
3.11
Fibre (g)
1.1
Vitamin A (µg)
25
Vitamin C (mg)
34.1
Vitamin B6 (mg)
0.142
Folate (µg)
20
Calcium (mg)
21
Iron (mg)
0.79
Magnesium (mg)
33
Phosphorus (mg)
93
Potassium (mg)
459
Zinc (mg)
0.83
Selenium (µg)
0.3
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Where to buy seed and equipment

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Growing it? There is a full cultivation guide at the squash growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

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Other squash with a comparable time to harvest, so a season that suits Yellow Straightneck Zucchini suits these too.

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