Grown Hubbard Blue Squash?

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Hubbard Blue Squash — Squash | DarkGrow Seed Bank

Name: Hubbard Blue Squash
Brand: DarkGrow Seed Bank

100-120days to harvest

7-14days to germinate

Z3–11USDA zones

Moderatedifficulty

Heirloom

Sowing

Direct sow after soil reaches 65°F, or start indoors 2-3 weeks before last frost. Needs long growing season.

Cultivation

Sun: Full sun (6+ hours)
Water: 1-2 inches per week, reduce watering as fruits mature
Soil: Rich, well-drained soil with high organic matter content
Soil pH: 6.0-7.0
Spacing: 72-96 inches (vines spread 10-15 feet)
Season: Warm season

Appearance & flavour

Colour: Blue-gray exterior with bright orange interior flesh
Size: 15-40+ pounds
Shape: Large, round to teardrop-shaped with bumpy, warted skin
Flavour: Sweet, nutty, and rich with fine, smooth texture

In the kitchen

Roasting, baking, soups, pies, purees. Excellent for long-term storage and winter cooking.

Pests, disease & resistance

Pests: Squash bugs, cucumber beetles, squash vine borers
Diseases: Powdery mildew, bacterial wilt, black rot in storage
Resistance: Good natural resistance to storage rots when properly cured

Planting calendar by USDA zone

Zone	Start indoors	Transplant	Direct sow	Harvest
3	—	—	June – July	October
4	—	—	June – July	October
5	—	—	May – June	October
6	—	—	May – June	September – November
7	—	—	April – June	September – October
8	—	—	April – May	August – October
9	—	—	March – April	July – September
10	—	—	February – April	July – August
11	—	—	January – March	June – July
12	—	—	January – March	June – July
13	—	—	January – March	June – July

Companion planting

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

NasturtiumsTrap crop for squash bugs and cucumber beetles, repels aphids

MarigoldsRepel cucumber beetles, squash bugs, and nematodes with their strong scent

RadishesDeter squash vine borers and cucumber beetles, mature quickly without competing

CornProvides natural trellis support and shade, part of Three Sisters planting

BeansFix nitrogen in soil for heavy-feeding squash, traditional Three Sisters companion

CatnipStrongly repels squash bugs, cucumber beetles, and other squash pests

OreganoRepels cucumber beetles and provides ground cover to retain soil moisture

SunflowersAttract beneficial insects and pollinators while providing windbreak protection

Avoid

PotatoesCompete for space and nutrients, both are heavy feeders with similar root zones

FennelAllelopathic effects inhibit squash growth and development

Aromatic herbs (mint family)Strong oils can inhibit squash germination and early growth

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

← PreviousBlack Beauty Zucchini Next →Pattypan Squash (Sunburst)

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.

Sowing

Cultivation

Appearance & flavour

In the kitchen

Pests, disease & resistance

Planting calendar by USDA zone

Companion planting

Avoid

Nutrition (per 100 g)

Where to buy seed and equipment

Grown Hubbard Blue Squash?

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