Hyacinth Bean Vine in Zone 11a & 11b
Lablab purpureus
When to plant hyacinth bean vine in zone 11b
Zones 11a and 11b share the same average frost dates in our data, so this page covers both.
Method: Direct sow: Direct-sow outside. Hyacinth Bean Vine doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | Jan 22–Jan 29 |
| Estimated bloom | Apr 22–Apr 29 (~90 days after direct-sowing) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 6-12 ft.
Hyacinth bean is a climbing vine, not a bush, and it needs to be treated that way from the start: this is a vigorous twiner that reaches 6-12 feet in a season and will look for the nearest support to grab onto, so a sturdy trellis has to be in place before or at planting, not added later as an afterthought.
How hyacinth bean vine fits zone 11's season
Zone 11b is frost-free in this dataset, so frost is not what limits the calendar here. What you can plant, and when, comes down to summer heat and daylength instead.
Good companions
No standout companions recorded yet for Hyacinth Bean Vine.
Where to buy hyacinth bean vine seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing hyacinth bean vine" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 11b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Hyacinth Bean Vine in USDA zone 11b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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