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Beans · Phaseolus vulgaris 'Cornelia'

Haricot Vert Cornelia

Haricot Vert Cornelia is a hybrid bean. Germination takes 7-10 days and fruit ripens from about day 50-55. Skin runs to dark green. Water need is 1-1.5 inches per week, consistent moisture essential. Suits zones 2-11. It will crop in a container. As a hybrid it will not breed true; saving seed from it is not worth the space.

Beans
50-55days to harvest
7-10days to germinate
Z2–11USDA zones
Moderatedifficulty
F1 hybridContainer friendly

Sowing

Direct sow in warm soil (65°F+) after all frost danger. Plant seeds 1 inch deep for best germination.

Cultivation

Sun
Full sun (6+ hours)
Water
1-1.5 inches per week, consistent moisture essential
Soil
Rich, well-drained soil high in organic matter
Soil pH
6.2-7.0
Spacing
3-4 inches
Season
Warm season

Appearance & flavour

Colour
Dark green
Size
4-5 inches long, very slender
Shape
Ultra-thin, straight, pencil-like pods
Flavour
Delicate, sweet, and crisp with refined, subtle flavor

In the kitchen

Gourmet preparations, light steaming, sautéing, French cuisine, elegant side dishes.

Pests, disease & resistance

Pests
Aphids, spider mites, bean beetles, thrips
Diseases
Bacterial blight, anthracnose, white mold, bean rust
Resistance
Moderate resistance to common bean mosaic and bacterial diseases

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
1——July – AugustSeptember – August
2——June – AugustSeptember
3——June – JulyAugust – October
4——June – JulyAugust – October
5——May – JuneAugust – September
6——May – JuneJuly – September
7——April – JuneJuly – August
8——April – MayJune – August
9——March – AprilMay – July
10——February – AprilMay – June
11——January – MarchApril – May
12——January – MarchApril – May
13——January – MarchApril – May

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

MarigoldRepels bean beetles, aphids, and nematodes while attracting beneficial insects
NasturtiumActs as trap crop for aphids and cucumber beetles, deters bean beetles
CarrotsLoosens soil for bean roots, doesn't compete for nutrients, beans provide nitrogen
RadishesBreaks up soil, repels bean beetles, quick harvest before beans need space
Summer SavoryImproves bean flavor, repels bean beetles and aphids
CornProvides natural trellis support, beans fix nitrogen for corn
LettuceShallow roots don't compete, beans provide shade and nitrogen
RosemaryRepels bean beetles, carrot flies, and cabbage moths

Avoid

OnionsInhibits bean growth and nitrogen fixation through root secretions
SunflowersAllelopathic compounds inhibit bean germination and growth
FennelInhibits growth of most garden plants including beans through allelopathy

Nutrition (per 100 g)

Protein (g)
1.97
Fat (g)
0.275
Carbohydrate (g)
7.41
Fibre (g)
3.01
Vitamin K (µg)
43.9
Vitamin B6 (mg)
0.121
Calcium (mg)
40
Iron (mg)
0.652
Magnesium (mg)
28.2
Phosphorus (mg)
41.2
Potassium (mg)
290
Zinc (mg)
0.35
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Where to buy seed and equipment

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Growing it? There is a full cultivation guide at the beans growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

DarkGrow forum

Grown Haricot Vert Cornelia?

Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.

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Similar varieties

Other beans with a comparable time to harvest, so a season that suits Haricot Vert Cornelia suits these too.

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