Birdhouse Gourd in Zone 4a & 4b
Lagenaria siceraria
When to plant birdhouse gourd in zone 4b
Zones 4a and 4b share the same average frost dates in our data, so this page covers both.
Method: Direct sow: Direct-sow outside. Birdhouse Gourd doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | May 29–Jun 5 |
| Estimated harvest | Sep 1–Sep 8 (~95 days after direct-sowing) |
Spacing: about 10 square feet per plant (square-foot-gardening spacing). Mature height: 8-15 ft.
Birdhouse gourd is the one crop in this list you plant for what is left after the season ends. The fruit is inedible at maturity; you cure the shell, drill it, and hang it.
How birdhouse gourd fits zone 4's season
Zone 4b's frost-free window runs about 128 days, from May 15 to September 20. Birdhouse Gourd needs about 95 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Birdhouse Gourd.
Where to buy birdhouse gourd seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing birdhouse gourd" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 4b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Birdhouse Gourd in USDA zone 4b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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