Port (adulte) - Rasbak / Wikimedia Commons - CC BY-SA 3.0
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Haricot commun
Phaseolus vulgaris
Un légume annuel de saison chaude de la famille des Fabacées (fixateur d'azote), produisant des gousses vertes comestibles (haricots verts), des haricots à écosser ou des haricots secs selon le cultivar et la date de récolte. Deux types de port : les haricots nains (compacts, 1-2 ft) et les haricots à rames (vignes grimpantes jusqu'à 8 ft). NC State Extension souligne explicitement le rôle d'amélioration du sol par fixation d'azote — les haricots constituent une culture de rotation fondamentale.
Edible
Light
Full sun
Water
Moderate water
Mature size
12-96" tall · 6" apart
Hardy in zones
Annual; NC State profile lists 2a-11b context
AHS heat range
4-11
Plant range authored in AHS heat-zone terms.
Native in Illinois
No
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A documented larval host for the Skipper butterflies — caterpillars feed on its foliage before becoming the next generation.
Cold hardiness
Future
This plant is grown as an annual; hardiness zones don't apply.
Heat tolerance
Future
Heat tolerance values are location-based too: heat days today are observed at this site, and the 2050 value projects this same location under a future climate.
Loading AHS heat-zone data for this location...
Sources & citations
Cite this page
For lesson plans, articles, or research that uses this page. To cite a single upstream fact instead, use its specific source listed below.
Plotwright. (2026, May 17). Haricot commun (Phaseolus vulgaris). Retrieved 2026, June 14, from https://plotwright.garden/plants/phaseolus-vulgaris
Sources for every fact
Every fact on this page traces to a source. 18 fields cited - 18 source-backed.
NC State Extension Gardener Plant Toolbox
University extension service
Backs 17 fields
Identity
Summary
Plant type
Light
Moisture
Hardiness
Heat zone
Size
Spacing
Habit
Design roles
Seasonal interest
Growth stages
Lifecycle
Regional guidance
Success tips
Designer notes