{"id":4211,"date":"2026-02-16T11:39:03","date_gmt":"2026-02-16T10:39:03","guid":{"rendered":"https:\/\/entresemillas.com\/blog\/?p=4211"},"modified":"2026-02-16T11:48:57","modified_gmt":"2026-02-16T10:48:57","slug":"como-sembrar-semillas-de-cebolla-guia-completa-de-cultivo","status":"publish","type":"post","link":"https:\/\/entresemillas.com\/blog\/como-sembrar-semillas-de-cebolla-guia-completa-de-cultivo\/","title":{"rendered":"C\u00f3mo sembrar semillas de cebolla: gu\u00eda completa de cultivo"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">La cebolla (<em>Allium cepa<\/em>) es uno de los cultivos m\u00e1s fundamentales del huerto. Discreta en apariencia, pero imprescindible en la cocina, su cultivo requiere algo de paciencia, aunque a cambio ofrece una excelente conservaci\u00f3n y una gran satisfacci\u00f3n al cosechar. No es una planta complicada, pero s\u00ed agradece que se respeten bien sus tiempos y necesidades.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">&#x1f331; Siembra de semillas de cebolla<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La cebolla suele sembrarse a partir de semilla en <strong>semillero<\/strong>, ya que su crecimiento inicial es lento y delicado. Aunque tambi\u00e9n puede cultivarse mediante bulbillos, la siembra por semilla permite mayor variedad y un mejor control del cultivo desde el inicio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las semillas son peque\u00f1as y necesitan un entorno estable, con buena luz y humedad controlada.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">&#x1f33f; Siembra en semillero<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Es la forma m\u00e1s habitual y recomendable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El semillero debe prepararse con un sustrato fino, ligero y bien drenado. No conviene usar sustratos demasiado ricos en nutrientes en esta fase; la cebolla prefiere un inicio m\u00e1s moderado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La siembra se realiza superficialmente, a unos 0,5\u20131 cm de profundidad. Basta con cubrir ligeramente las semillas con sustrato tamizado y regar con suavidad, preferiblemente mediante pulverizaci\u00f3n para no desplazarlas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La germinaci\u00f3n es lenta en comparaci\u00f3n con otros cultivos, pero constante si las condiciones son correctas.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/semillero-cebollas.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"706\" src=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/semillero-cebollas-1024x706.jpg\" alt=\"bandeja de semillero de cebollas\" class=\"wp-image-4214\" srcset=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/semillero-cebollas-1024x706.jpg 1024w, https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/semillero-cebollas-300x207.jpg 300w, https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/semillero-cebollas-768x530.jpg 768w, https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/semillero-cebollas.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\"><em><sup>Dwight Sipler (CC BY 2.0)<\/sup><\/em><\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">&#x1f321;&#xfe0f; Germinaci\u00f3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La cebolla germina mejor con temperaturas suaves.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Temperatura m\u00ednima: alrededor de 8\u201310 \u00b0C<\/li>\n\n\n\n<li>\u00d3ptimo: entre 15 y 20 \u00b0C<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">El tiempo de germinaci\u00f3n suele situarse entre 10 y 20 d\u00edas. Durante este periodo es fundamental mantener el sustrato h\u00famedo pero nunca encharcado. El exceso de agua provoca f\u00e1cilmente pudriciones o pl\u00e1ntulas d\u00e9biles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Una vez nacidas, las pl\u00e1ntulas necesitan buena luz para no espigarse.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">&#x1f5d3;&#xfe0f; Cu\u00e1ndo plantar<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La cebolla es un cultivo muy ligado al calendario y a la duraci\u00f3n del d\u00eda. Existen variedades de d\u00eda corto, intermedio y largo, lo que determina la \u00e9poca de siembra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En general, la siembra se realiza:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A finales de invierno o comienzos de primavera en climas fr\u00edos.<\/li>\n\n\n\n<li>En oto\u00f1o en climas suaves, para cosechar a finales de primavera o comienzos de verano.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Es importante respetar la \u00e9poca adecuada para cada variedad, ya que de ello depende la correcta formaci\u00f3n del bulbo.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">&#x1f331; Sustrato y preparaci\u00f3n del suelo<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La cebolla necesita un suelo bien trabajado, pero no excesivamente rico. Un exceso de nitr\u00f3geno provoca mucho crecimiento de hoja y bulbos poco consistentes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El suelo ideal es:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Suelto y profundo.<\/li>\n\n\n\n<li>Bien drenado.<\/li>\n\n\n\n<li>De fertilidad media, enriquecido con compost bien maduro.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Antes del trasplante conviene remover bien la tierra y eliminar terrones. Un suelo compacto dificulta la formaci\u00f3n del bulbo y favorece deformaciones.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">&#x2600;&#xfe0f; Ubicaci\u00f3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La cebolla necesita sol directo para desarrollarse correctamente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Debe cultivarse en una zona:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>De pleno sol.<\/li>\n\n\n\n<li>Bien aireada.<\/li>\n\n\n\n<li>Sin competencia cercana de plantas muy vigorosas.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">La falta de luz se traduce en bulbos peque\u00f1os y mal formados.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">&#x1f33f; Trasplante<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El trasplante desde semillero se realiza cuando las pl\u00e1ntulas alcanzan unos 12\u201315 cm de altura y tienen el grosor aproximado de un l\u00e1piz fino.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se plantan dejando el cuello justo a ras del suelo, sin enterrarlas en exceso. Un trasplante demasiado profundo puede retrasar o perjudicar la formaci\u00f3n del bulbo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El marco de plantaci\u00f3n suele ser amplio, permitiendo que cada cebolla tenga espacio suficiente para engordar sin competencia.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">&#x1f33c; Floraci\u00f3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La cebolla es una planta bianual. En condiciones normales, el primer a\u00f1o se dedica a formar el bulbo y no florece.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La floraci\u00f3n aparece cuando la planta sufre estr\u00e9s o tras pasar un periodo prolongado de fr\u00edo, lo que provoca la subida a flor. Cuando esto ocurre, la cebolla deja de engordar y el bulbo pierde calidad.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por este motivo, es importante:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Elegir bien la \u00e9poca de siembra.<\/li>\n\n\n\n<li>Evitar cambios bruscos de temperatura.<\/li>\n\n\n\n<li>Mantener un crecimiento continuo y estable.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/flor-de-cebolla.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/flor-de-cebolla-1024x682.jpg\" alt=\"flor de cebolla\" class=\"wp-image-4218\" srcset=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/flor-de-cebolla-1024x682.jpg 1024w, https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/flor-de-cebolla-300x200.jpg 300w, https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/flor-de-cebolla-768x512.jpg 768w, https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/flor-de-cebolla.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">&#x2702;&#xfe0f; Mantenimiento del cultivo<\/h2>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile is-image-fill-element\" style=\"grid-template-columns:32% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"735\" src=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/cebolla-roja.jpg\" alt=\"cebolla roja\n\" class=\"wp-image-4217 size-full\" style=\"object-position:55% 47%\" srcset=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/cebolla-roja.jpg 500w, https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/cebolla-roja-204x300.jpg 204w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\">La cebolla requiere pocos cuidados, pero es sensible a la competencia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Durante los primeros meses es fundamental mantener el cultivo libre de malas hierbas, ya que la cebolla no compite bien. Las escardas deben ser superficiales para no da\u00f1ar las ra\u00edces.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No necesita poda ni aporcado. De hecho, conviene que parte del bulbo quede ligeramente visible a medida que engorda.<\/p>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">&#x1f4a7; Riego<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El riego debe ser regular pero moderado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Durante el crecimiento inicial y el engorde del bulbo, la cebolla agradece humedad constante, sin excesos. A medida que se acerca la cosecha, conviene reducir progresivamente el riego.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un exceso de agua en la fase final afecta negativamente a la conservaci\u00f3n del bulbo.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">&#x1f33c; Abonado<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La cebolla es m\u00e1s sobria de lo que parece y no agradece los excesos. Un abonado mal planteado suele traducirse en mucho follaje y bulbos poco consistentes o de mala conservaci\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Antes de la siembra o el trasplante es suficiente con incorporar compost bien maduro al suelo. No conviene usar esti\u00e9rcoles frescos ni abonos muy ricos en nitr\u00f3geno, ya que favorecen un crecimiento desequilibrado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Durante el cultivo, si el suelo es razonablemente f\u00e9rtil, no suele ser necesario abonar de nuevo. En suelos pobres, un aporte ligero a mitad del ciclo puede ayudar, siempre evitando excesos. Un crecimiento continuo y estable es mucho m\u00e1s importante que una fertilizaci\u00f3n abundante.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">&#x1f41b; Plagas y enfermedades habituales<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La cebolla es relativamente resistente, pero puede verse afectada por algunas plagas y enfermedades comunes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Entre las m\u00e1s habituales se encuentran la <strong>mosca de la cebolla<\/strong>, cuyas larvas da\u00f1an el bulbo, y los <strong>trips<\/strong>, que provocan hojas plateadas y debilitadas. Estos problemas aparecen con m\u00e1s frecuencia en climas secos y c\u00e1lidos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En cuanto a enfermedades, los hongos suelen aparecer cuando hay exceso de humedad, suelos mal drenados o riegos demasiado frecuentes. Una correcta rotaci\u00f3n de cultivos, buena ventilaci\u00f3n y riego moderado son las mejores medidas preventivas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mantener el cultivo limpio de restos vegetales y evitar el exceso de agua reduce notablemente los problemas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">&#x1f9c5; Cosecha<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La cebolla est\u00e1 lista para cosechar cuando las hojas comienzan a amarillear y a tumbarse de forma natural.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En ese momento:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Se extraen los bulbos con cuidado.<\/li>\n\n\n\n<li>Se dejan secar unos d\u00edas en un lugar aireado y protegido del sol directo.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Un buen secado es clave para una larga conservaci\u00f3n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/hans-onions-61262_1280.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/hans-onions-61262_1280-1024x768.jpg\" alt=\"secado de cebolla al sol\" class=\"wp-image-4216\" srcset=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/hans-onions-61262_1280-1024x768.jpg 1024w, https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/hans-onions-61262_1280-300x225.jpg 300w, https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/hans-onions-61262_1280-768x576.jpg 768w, https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/hans-onions-61262_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">&#x1f331; Tipos de variedades<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Existen muchas variedades de cebolla, adaptadas a distintas \u00e9pocas y usos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Podemos encontrar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cebollas tempranas, de consumo r\u00e1pido.<\/li>\n\n\n\n<li>Cebollas de d\u00eda largo, ideales para almacenamiento.<\/li>\n\n\n\n<li>Cebollas blancas, rojas y amarillas, con distintos sabores y usos culinarios.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Elegir la variedad adecuada seg\u00fan el clima y la \u00e9poca de siembra es fundamental para obtener buenos resultados.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/image-6.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/image-6-1024x682.png\" alt=\"cebollas secandose\" class=\"wp-image-4219\" srcset=\"https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/image-6-1024x682.png 1024w, https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/image-6-300x200.png 300w, https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/image-6-768x512.png 768w, https:\/\/entresemillas.com\/blog\/wp-content\/uploads\/2026\/02\/image-6.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">&#x1f331; D\u00f3nde comprar semillas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si quieres cultivar cebollas desde semilla y elegir la variedad que mejor se adapte a tu clima y calendario, en EntreSemillas encontrar\u00e1s una selecci\u00f3n cuidada de <a href=\"https:\/\/entresemillas.com\/49-cebollas\">semillas de cebolla<\/a> para distintos usos, \u00e9pocas de siembra y tipos de conservaci\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La cebolla (Allium cepa) es uno de los cultivos m\u00e1s fundamentales del huerto. 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