Vegetable Marrow (Long Green Trailing)
Vegetable Marrow (Long Green Trailing) is a heirloom squash. Germination takes 7-10 days and fruit ripens from about day 60-80. Skin runs to dark green with lighter green stripes, cream-colored flesh. Water need is 2-3 inches per week, especially when fruits are developing. Suits zones 3-11.

Sowing
Direct sow after soil reaches 65°F and all frost danger has passed. Can start indoors 2-3 weeks early in short seasons.
Cultivation
- Sun
- Full sun (6+ hours)
- Water
- 2-3 inches per week, especially when fruits are developing
- Soil
- Rich, well-drained soil with high organic matter and compost
- Soil pH
- 6.0-7.5
- Spacing
- 60-72 inches (trailing vines spread 8-12 feet)
- Height
- 1-3 feet
- Season
- Warm season
Appearance & flavour
- Colour
- Dark green with lighter green stripes, cream-colored flesh
- Size
- 18-36 inches long, 10-20+ pounds when fully mature
- Shape
- Very long, cylindrical to club-shaped
- Flavour
- Mild, slightly sweet when young, becomes more neutral and meaty when mature
In the kitchen
Stuffing (traditional British preparation), soups, stews, fritters, can substitute for potatoes when mature
Pests, disease & resistance
- Pests
- Squash bugs, cucumber beetles, squash vine borers, slugs
- Diseases
- Powdery mildew, downy mildew, bacterial wilt, mosaic virus
- Resistance
- Moderate disease resistance, susceptible to powdery mildew in humid conditions
Planting calendar by USDA zone
| Zone | Start indoors | Transplant | Direct sow | Harvest |
|---|---|---|---|---|
| 2 | — | — | June – August | September |
| 3 | — | — | June – July | September – October |
| 4 | — | — | June – July | September – October |
| 5 | — | — | May – June | August – October |
| 6 | — | — | May – June | August – September |
| 7 | — | — | April – June | July – September |
| 8 | — | — | April – May | July – August |
| 9 | — | — | March – April | June – July |
| 10 | — | — | February – April | May – July |
| 11 | — | — | January – March | April – June |
| 12 | — | — | January – March | April – June |
| 13 | — | — | January – March | April – June |
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 Vegetable Marrow (Long Green Trailing)?
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 Vegetable Marrow (Long Green Trailing) suits these too.
- Tromboncino Squash 60 days
- Zucchini Rampicante 60 days
- Cocozelle Italian Heirloom Zucchini 55 days
- Costata Romanesco Zucchini 52 days
- Carmine Splendor 51 days
- Yellow Summer Squash (Early Prolific Straightneck) 50 days