Berza
Brassica oleracea var. viridis
De un vistazo
Una verdura de hoja con hojas grandes y verde oscuro. Muy nutritiva y resistente al frío.
Calendario de plantación y cosecha
Etapas de crecimiento
De la semilla a la cosecha
Germinación de las semillas
Las semillas germinan en 5-10 días en un suelo húmedo y bien drenado. La plántula emerge con dos cotiledones redondeados que se parecen muy poco al follaje maduro.
💡 Consejo de cuidado
Mantenga el suelo constantemente húmedo, pero no encharcado, durante la germinación. Una capa ligera de vermiculita ayuda a conservar la humedad y permite el paso de la luz.
Collard seedling developing its first true leaf with the characteristic smooth, broad shape
Calendario de cuidado mensual
Qué hacer cada mes para tu Berza
Mayo
Mes actualPlants enter rapid growth as days lengthen and temperatures warm. Side-dress with nitrogen-rich fertilizer or compost tea. Monitor for cabbage loopers and aphids; apply Bt or insecticidal soap at first sign. Harvest outer leaves as they reach full size.
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Datos fascinantes sobre Berza
Collard greens are one of the oldest members of the cabbage family, with evidence of cultivation dating back over 2,000 years to ancient Greece, where they were valued both as food and medicine — Hippocrates reportedly prescribed them for digestive ailments.
Elija un lugar con sol pleno o semisombra y suelo bien drenado con pH 6,0-7,5. Enmiende con compost abundante antes de plantar, ya que la berza es una planta muy exigente en nutrientes.
Siembre semillas a 1 cm de profundidad y 30-45 cm de separación en primavera o finales de verano. También puede trasplantar plántulas de 4-6 semanas. Las heladas leves mejoran notablemente el sabor dulce de las hojas.
Riegue de forma regular y profunda. Abone con fertilizante nitrogenado cada 3-4 semanas durante el crecimiento. Retire hojas amarillas para estimular nueva producción.
Collard plants can grow 2-3 feet tall and produce continuously for 6 months or more
Collard greens (Brassica oleracea var. viridis) are among the most ancient cultivated forms of the cabbage family, likely originating in the eastern Mediterranean region over 2,000 years ago. Unlike heading cabbages, collards retain the loose-leaf growth habit of the wild ancestor plant. Ancient Greeks and Romans cultivated various forms of non-heading brassicas, and the plant gradually spread across Europe through trade and migration. The name 'collard' is a corruption of the Anglo-Saxon word 'colewort,' meaning simply 'cabbage plant.'
Collard greens arrived in the American South during the colonial era, brought by English and Scottish settlers in the 1600s. The plant found ideal growing conditions in the warm, humid Southern climate and quickly became a garden staple. Enslaved Africans, who had deep traditions of cooking leafy greens in their homeland, adopted collards and transformed them through slow-braising techniques with smoked pork and spices. This cooking tradition became a cornerstone of African American cuisine and, more broadly, of Southern soul food — the slow-cooked pot of collard greens served with cornbread remains one of the most culturally resonant dishes in American food history.
Collard greens hold particular significance as a symbol of African American resilience and cultural continuity. They are traditionally served on New Year's Day throughout the South, where the green leaves are said to represent money and good fortune for the coming year. Today, collards are gaining renewed popularity beyond the South as a nutritional powerhouse, with their exceptional calcium, vitamin K, and fiber content attracting health-conscious consumers worldwide. They are grown commercially across the southeastern United States, with Georgia, South Carolina, and Alabama leading production, and are increasingly popular in farmers markets and CSA boxes nationwide.
Siembre directamente en primavera o a finales de verano, o trasplante plántulas de 4-6 semanas. En climas cálidos, siembre en otoño para cosechar en invierno y primavera.
Requiere suelo profundo y fértil con pH 6,0-7,5, enriquecido con abundante compost y estiércol maduro. Abone mensualmente con fertilizante rico en nitrógeno.
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15°C – 24°C
59°F – 75°F
Collards are uniquely versatile among brassicas, tolerating both frost down to -10°C (15°F) and summer heat up to 35°C (95°F). The ideal growing range for the tenderest, best-flavored leaves is 15-24°C (60-75°F). Unlike most brassicas, collards rarely bolt in summer heat, making them a reliable producer through the warmest months. Frost exposure below 0°C (32°F) actually improves flavor by triggering sugar production, so the best-tasting collards come from cool to cold weather.
Problemas comunes que afectan a Berza y cómo prevenirlos y tratarlos de forma orgánica.
El calor extremo del verano puede provocar el espigado y hojas amargas. La falta de nitrógeno causa amarillamiento. Las heladas intensas pueden dañar las plantas jóvenes.
- 1Collards are the most heat-tolerant brassica, but flavor is best in cool weather. For the sweetest leaves, time your main planting so the harvest window falls after the first autumn frosts, when cold triggers natural sugar production in the leaves.
- 2Harvest using the 'cut and come again' method — always pick outer leaves first while leaving the central growing point and at least 5-6 inner leaves intact. This allows the plant to continue generating new leaves from the center for months of continuous production.
- 3Remove the thick central rib from mature collard leaves before cooking for more even texture. Stack leaves, roll them into a tight cigar shape, and slice crosswise into thin ribbons (chiffonade) for the fastest, most even cooking.
- 4Collards are heavy feeders that benefit from nitrogen-rich amendments every 4-6 weeks. Side-dress with compost, blood meal, or fish emulsion to sustain the rapid leaf production needed for regular harvesting.
- 5For grain-free wraps, blanch whole leaves in boiling water for 30 seconds to soften them, then immediately plunge into ice water. Shave the thick center rib flat with a paring knife so the leaf rolls without cracking. These prepped leaves keep refrigerated for 3-4 days.
- 6In zones 7-11, plant collards in late summer for a fall and winter harvest that extends through spring. Overwintered collards produce the sweetest, most tender leaves of the entire year thanks to months of cold exposure.
- 7Interplant collards with onions, garlic, or aromatic herbs like thyme and rosemary to help mask the brassica scent from cabbage moths and other pests. Floating row covers installed at transplanting provide the most reliable pest protection.
- 8Collards can tolerate partial shade (4-6 hours of sun), though full sun produces the sturdiest plants and the largest leaves. In hot southern gardens, afternoon shade actually benefits collards by reducing heat stress and improving leaf tenderness.
Coseche las hojas exteriores más grandes de abajo hacia arriba cuando alcancen 20-25 cm. Deje las hojas centrales para continuar la producción. La cosecha puede durar toda la temporada.
A generous harvest of outer leaves picked at the ideal 10-12 inch size
Conserve en bolsa de plástico en el refrigerador hasta 1 semana. Blanquee y congele para conservación a largo plazo. También puede saltear y congelar.
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Información nutricional
Por porción de 100g
32
Calorías
Beneficios para la salud
- One of the richest plant sources of calcium, providing 232mg per cooked cup (18% DV) — more than many dairy products, making collards essential for bone health in plant-based diets
- Exceptionally high in vitamin K, with a single cooked cup providing over 800% of the daily value, critical for blood clotting and calcium metabolism in bones
- Outstanding source of vitamin A as beta-carotene, providing 100% of the daily value per 100g raw, supporting eye health, immune function, and skin integrity
- Rich in folate (B9), providing 44mcg per cup raw (11% DV), essential for DNA synthesis and particularly important during pregnancy
- Contains sulforaphane and other glucosinolates — sulfur-containing compounds studied extensively for their potential cancer-preventive properties, especially in cruciferous vegetables
- Good source of manganese, vitamin B6, and iron, supporting energy metabolism, red blood cell formation, and nervous system health
💰 ¿Por qué cultivar tus propios?
A packet of collard green seeds costs $2-4 and can produce 50+ plants. Fresh organic collard greens sell for $3-5 per bunch at grocery stores and farmers markets. A single plant producing 30-50 leaves over the season replaces 5-8 store-bought bunches worth $15-40. Growing just 4-6 plants from a single seed packet can save $60-200 per season on fresh greens alone, with virtually zero waste since you harvest only what you need each week.
Recetas rápidas
Recetas sencillas con Berza frescos
Southern-Style Braised Collard Greens
90 minThe quintessential Southern preparation — collard leaves slowly simmered with smoked ham hock until silky tender, developing deep, savory flavor. The resulting pot liquor is rich in nutrients and traditionally sopped up with cornbread.
Collard Green Wraps with Hummus and Vegetables
15 minLarge collard leaves blanched briefly and used as grain-free wraps filled with creamy hummus, fresh vegetables, and your choice of protein. A light, nutritious lunch that showcases collard leaves' natural flexibility and mild flavor.
Garlic-Sauteed Collard Greens with Lemon
15 minA quick weeknight side dish — collard ribbons sauteed with garlic and finished with bright lemon juice. This method produces tender greens with a slight bite in a fraction of the time needed for traditional braising.
Blanched collard leaves make sturdy, nutritious wraps as a grain-free tortilla alternative
Calculadora de Rendimiento y Espaciado
Vea cuántas plantas de Berza caben en su cama de jardín basándose en el espaciado recomendado de 45cm.
4
Berza plantas en una cama de 4×4 ft
2 columnas × 2 filas a 45cm de espaciado
Variedades populares
Algunas de las variedades de berza más populares para jardineros caseros, cada una con características únicas.
Georgia Southern
Variedad tradicional tolerante al calor con hojas grandes de sabor suave. Madura en 75 días.
Vates
Muy resistente al frío y al calor, hojas azul-verdosas de textura lisa. Madura en 75 días.
Champion
Hojas grandes y tiernas con producción abundante. Tolerante a múltiples condiciones climáticas.
Tradicional en la cocina sureña americana, guisada lentamente con tocino o jamón. También excelente al vapor, salteada con ajo o en sopas y guisos.
¿Cuándo debo plantar Berza?
Planta Berza en Marzo, Abril, Julio, Agosto. Toma aproximadamente 60 días para madurar, con cosecha típicamente en Junio, Julio, Agosto, Octubre, Noviembre, Diciembre.
¿Cuáles son buenas plantas acompañantes para Berza?
Berza crece bien junto a Cebolla, Ajo, Remolacha. El cultivo acompañante puede mejorar el crecimiento, sabor y control natural de plagas.
¿En qué zonas de rusticidad puede crecer Berza?
Berza prospera en zonas de rusticidad USDA 3 a 11. Con protección de invernadero, puede cultivarse en zonas 1 a 12.
¿Cuánto sol necesita Berza?
Berza requiere Sol completo (6-8h+). Esto significa al menos 6-8 horas de luz solar directa diaria.
¿A qué distancia debo espaciar Berza?
Espacia las plantas de Berza a 45cm (18 pulgadas) para crecimiento óptimo y circulación de aire.
¿Qué plagas y enfermedades afectan a Berza?
Los problemas comunes incluyen Gusano de la col, Mosca de la col, Mildiu. La prevención a través de buenas prácticas de jardinería como rotación de cultivos, espaciado adecuado y cultivo acompañante es el mejor enfoque. Consulta la sección de plagas y enfermedades para más detalles.
¿Cómo almaceno Berza después de la cosecha?
Conserve en bolsa de plástico en el refrigerador hasta 1 semana. Blanquee y congele para conservación a largo plazo. También puede saltear y congelar.
¿Cuáles son las mejores variedades de Berza para cultivar?
Las variedades populares incluyen Georgia Southern, Vates, Champion. Cada una tiene características únicas adaptadas a diferentes condiciones de cultivo y preferencias culinarias. Consulta la sección de variedades para descripciones detalladas.
¿Qué suelo necesita Berza?
Requiere suelo profundo y fértil con pH 6,0-7,5, enriquecido con abundante compost y estiércol maduro. Abone mensualmente con fertilizante rico en nitrógeno.
When should I harvest collard greens for the best flavor?
The best-flavored collard greens come after frost exposure, which triggers the plant to convert starches into sugars. For the sweetest leaves, wait to begin your main harvest until after the first autumn frosts. However, collards are productive in warm weather too — summer leaves have a stronger, more robust flavor that works well in cooked dishes. Always harvest leaves at 25-30 cm (10-12 inches) for optimal tenderness regardless of season.
Can collard greens survive winter, and will they regrow in spring?
Yes, in USDA zones 7-11, collards can survive winter and continue producing into the following spring. They tolerate temperatures down to about -10°C (15°F), especially with mulch protection around the roots. In zones 6 and colder, use row covers or cold frames to extend the season. The plants may look ragged after harsh cold, but they typically push new growth from the central stem as spring arrives. In their second year, collards will eventually bolt and set seed.
How do I prevent my collard greens from becoming tough and bitter?
Tough, bitter collard leaves usually result from water stress, excessive heat without shade, or harvesting leaves that are too old and large. Maintain consistent soil moisture of 2.5-4 cm (1-1.5 inches) per week, mulch heavily to keep roots cool, and harvest leaves at 25-30 cm before they become oversized. Regular nitrogen feeding also keeps new growth tender. If leaves are bitter despite good care, blanch them briefly in boiling salted water and discard the water before finishing your recipe.
Are collard green stems edible, or should I remove them?
The thick central stem (midrib) of mature collard leaves is edible but much tougher than the leaf blade and takes significantly longer to cook. Most cooks remove the stem by folding the leaf in half lengthwise and slicing along the rib. However, the stems are nutritious and can be used — dice them finely and add to soups, stews, or stir-fries 5-10 minutes before the leaves, or pickle them for a crunchy condiment. Young leaves from the center of the plant have thinner stems that cook tender along with the leaf.
How many collard green plants do I need for a family?
Four to six plants are sufficient for a family of four when harvested regularly throughout the season. Each plant produces 30-50 full-sized leaves over a 4-8 month production period. If you eat collards frequently or want extra for freezing, plant 8-10. Succession planting every 6-8 weeks extends the harvest season further and ensures you always have young, tender plants coming into production.
Can I grow collard greens in containers?
Yes, collards grow well in containers of at least 20 liters (5 gallons) per plant. Use rich potting mix amended with compost, place in full sun to partial shade, and keep the soil consistently moist — containers dry out faster than garden beds. Feed with liquid fertilizer every 2-3 weeks since nutrients leach from containers more quickly. Choose compact varieties like Vates or Flash for the best container performance. A single large container with one collard plant can produce for months on a patio or balcony.
¿Listo para cultivar Berza?
Añade Berza a tu plan de jardín y comienza a diseñar tu diseño perfecto.
Vladimir Kusnezow
Jardinero y desarrollador de software
Jardinero de zona 6b. Cultivo hortalizas y frutas en tierra e hidroponía desde hace 6 años. Creé PlotMyGarden para planificar mis propios jardines.
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