Squash
50-55days to harvest
7-10days to germinate
Z3–11USDA zones
Easydifficulty
F1 hybrid

Sowing

Direct sow after soil reaches 65°F and all frost danger has passed. Can start indoors 2-3 weeks before transplanting.

Cultivation

Sun
Full sun (6+ hours)
Water
1-2 inches per week, deep watering at soil level
Soil
Rich, well-drained loam with plenty of compost
Soil pH
6.0-7.0
Spacing
36-48 inches
Height
1-3 feet
Season
Warm season

Appearance & flavour

Colour
Dark green with light green striping
Size
6-8 inches long, 1.5-2 inches diameter
Shape
Cylindrical, straight, uniform
Flavour
Mild, tender, slightly sweet with delicate texture

In the kitchen

Fresh eating, grilling, sautéing, baking into breads and muffins, spiralizing into noodles, stuffing

Pests, disease & resistance

Pests
Squash bug, cucumber beetle, squash vine borer
Diseases
Downy mildew, bacterial wilt (resistant), powdery mildew (resistant)
Resistance
Excellent resistance to powdery mildew, bacterial wilt, and mosaic virus

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.

NasturtiumsRepel squash bugs, cucumber beetles, and aphids while attracting beneficial predatory insects
RadishesDeter squash vine borers and cucumber beetles, mature quickly without competing for space
MarigoldsRepel nematodes, squash bugs, and other harmful insects through natural compounds
BeansFix nitrogen in soil benefiting heavy-feeding zucchini, provide natural mulch with sprawling habit
CornProvides natural trellis support and shade, while zucchini leaves suppress weeds around corn base
CatnipStrongly repels squash bugs, cucumber beetles, and ants through potent essential oils
OreganoRepels aphids and provides ground cover, may enhance zucchini flavor when planted nearby
DillAttracts beneficial insects like parasitic wasps that control squash pests

Avoid

PotatoesCompete for similar nutrients and space, both are heavy feeders that can stunt each other's growth
FennelProduces allelopathic compounds that inhibit growth of zucchini and most other garden plants
PumpkinsCross-pollination concerns and competition for space, nutrients, and water as both are large cucurbits

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

Where to buy seed and equipment

Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you.

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.

DarkGrow forum

Grown Zucchini Green Machine?

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 Zucchini Green Machine suits these too.

Browse all 60 squash