Guide botanique
Land Cress.
Barbarea verna
Prononciation bar-BARE-ee-uh VER-nuh
Aussi appelée American Cress, American Land-Cress, American Winter Cress, American Winter-Cress, American Wintercress, Belle Island Cress, Belle Isle cress, Common Wintercress

Land cress is a hardy biennial often grown as a peppery salad green. It produces rosettes of dark green, pinnately lobed leaves that taste similar to watercress. You will find it thrives in cooler weather and is quite easy to manage in a garden bed.
En un coup d'œil
- Niveau d'entretien
- Facile
- Type de plante
- Biennial herb
- Lumière
- Full sun to partial shade
- Lumière en intérieur
- Soleil direct
- Arrosage
- Tous les 2 à 4 jours
- Taille adulte
- 1 to 2 feet
- Croissance
- Rapide
- Rusticité
- USDA 5 à 9
- Floraison
- Mid to late spring
Entretien
Keep the soil consistently moist to prevent the leaves from becoming too spicy or tough. Watch for flea beetles which love to snack on the foliage. Harvest the outer leaves regularly to encourage new growth from the center.
- Arrosage
- Keep the soil damp but not waterlogged to ensure the best leaf flavor.
- Engrais
- Apply a balanced organic fertilizer once a month during the active growing season.
- Taille
- Regularly harvest outer leaves to keep the plant productive and prevent premature bolting.
- Rempotage
- Since it is typically grown as an annual or biennial, you will likely start fresh from seed each year.
- Sol
- Moist, fertile, well-draining soil
- pH du sol
- 6.0 to 7.0
- Température
- -15 à 30°C
- Humidité
- 40 à 70%
Sécurité
- Humains
- The plant is generally considered safe to eat in moderation, though it contains glucosinolates that may cause stomach upset if consumed in large quantities.
- Enfants
- There are no specific safety concerns for children, though standard supervision is advised to prevent ingestion of wild plants.
- Allergènes de contact
- Some individuals may experience mild skin irritation from the raw sap.
- Allergènes aéroportés
- The pollen can trigger mild symptoms in sensitive individuals during the peak flowering period.
- Comestibilité
- While the leaves are edible, they can become quite bitter and tough once the plant begins to flower.
Comment l'identifier
- Dark green pinnately lobed leaves
- Forms low growing basal rosettes
- Small yellow four petaled flowers
- Peppery scent when leaves crushed
- Hauteur
- 0,3 à 0,6m
- Envergure
- 0,2 à 0,4m
- Feuilles
- dark green, semi-evergreen
- Fleurs
- yellow, 0,5 à 1cm
- Fruits
- brown, Summer
Problèmes courants
- Flea beetles — Small jumping beetles that create tiny shot holes in the foliage.
- Downy mildew — Yellowing patches on leaves caused by high humidity and poor air circulation.
La cultiver
- Multiplication
- seed
- Quand planter
- spring, early autumn
Plant this in a dedicated cool season patch to avoid competition with summer vegetables that require different soil moisture levels.
Bonnes associations
Espèces similaires
- Barbarea vulgaris — It is a very close relative with similar growth habits and culinary uses.
Science
- Famille
- Brassicaceae
- Genre
- Barbarea
- Ordre
- Brassicales
- Classe
- Magnoliopsida
- Région d'origine
- Southern Europe and Western Asia.
- Préservation
- This species is considered naturalized in many areas and is not of conservation concern.
It thrives in damp, disturbed soils and colonizes open spaces quickly through prolific seed production.
- Intérêt pour la faune
- early season nectar source, larval host plant
- Pollinisateurs
- abeilles, papillons, coléoptères
- Utilisations
- culinary greens, early spring salad addition, pollinator garden filler
Au fil des saisons
Repères écologiques
- Salinité
- 2/9
- Réaction du sol
- 6/9
- Lumière
- 6/9
- Température
- 5/9
- Humidité
- 6/9
- Nutriments
- 5/9
Taxonomie vérifiée avec le GBIF.
Ce qu'on demande souvent
- Is this plant invasive?
- It can be aggressive in disturbed soils and may self seed freely in the garden.
- Can I eat the flowers?
- Yes, the flowers are edible and have a mild mustard flavor.
D'où vient le nom
The genus name Barbarea honors Saint Barbara, as the plant was traditionally harvested around her feast day in December. The species name verna means of the spring.
Bon à savoir
- It is a member of the mustard family.
- The leaves have a spicy, peppery flavor similar to watercress.
- It is a biennial that often acts as an annual in cultivation.
- It was historically used as a scurvy preventative by sailors.
Ta plante a mauvaise mine ?
Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.
Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.
