Edible plant · Growing guide
Blue Hubbard Squash
Cucurbita maxima 'Blue Hubbard' · Cucurbit family
Blue Hubbard Squash is a vine edible plant grown for winter squash, trap crop, and large-space crop. Use this guide to match its light, water, soil, space, seasonal care, and safety needs.
- Reliable light
- Full sun
- Water pattern
- Consistent
- Mature size
- 24 × 144 in
- Final spacing
- 60 in
- Season
- warm
01 · Light & site
Give it the light its growth depends on.
Full sun, with roughly 6 to 8 hours of useful light. Warm soil and frost-free conditions
02 · Water & soil
Keep roots supplied without trapping water.
Keep the active root zone evenly moist while preserving drainage.
- Soil
- Loose, organic garden soil
- Drainage
- Moist but drained
- pH
- Species-dependent, commonly mildly acidic to neutral
03 · Spacing & roots
Make room for the mature plant.
Space plants about 60 inches apart. Expect a mature plant around 24 inches tall by 144 inches wide.
A concentrated crown supports a wide above-ground vine; avoid disturbing feeder roots.
04 · Start
Begin with the method that protects establishment.
Start indoors or use a transplant where the season is short; move outside only after suitable warmth.
05 · Care
Support healthy growth through the season.
Support is usually unnecessary. Large ground footprint; a trellis must be engineered for heavy fruit.
- Upkeep
- High
- Feeding
- High
- Watch for
- Squash bugs, Cucumber beetles, Squash vine borer
06 · Flower or harvest
Harvest and maturity
100 to 120 days. Use the seed packet or plant label for cultivar-specific timing and harvest cues, then adjust for temperature, light, and the stage you intend to pick.
07 · Safety
Know the cautions before you place or use it.
- Confirm cultivar, regional timing, and toxicity or food-use details with local extension guidance.
- Keep unknown plant parts away from children and pets.
08 · Sources
Check the evidence behind the guide.
Guide record: July 20, 2026. Region, cultivar, regulations, and current product labels can change the right decision.
Working checklist