Cucamelon in Zone 5a & 5b
Melothria scabra
When to plant cucamelon in zone 5b
Zones 5a and 5b share the same average frost dates in our data, so this page covers both.
Method: Start indoors: Start indoors from seed, then transplant outside. Cucamelon needs a head start most zones can't give it by direct-sowing alone.
| Start indoors | Apr 12–Apr 19 |
|---|---|
| Direct sow / transplant outside | May 24–May 31 |
| Estimated harvest | Aug 2–Aug 9 (~70 days after transplanting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 8-13.5 ft.
Cucamelon is one of the few crops here where the fruit is a novelty and the plant is not. It grows like a small, determined cucumber and it climbs hard.
How cucamelon fits zone 5's season
Zone 5b's frost-free window runs about 148 days, from May 10 to October 5. Cucamelon needs about 70 days from transplant to first harvest.
Good companions
No standout companions recorded yet for Cucamelon.
Where to buy cucamelon seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing cucamelon" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 5b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Cucamelon in USDA zone 5b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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