dahlia,a linda flor
Autor: Cleyton Castro | Publicado: 2011-11-05T08:52:00-07:00

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É originária do México, onde é muito popular. Os índios daquela
região foram os primeiros a cultivar dálias, ainda no período do império Asteca.
Por volta do final do século XVIII, o diretor do Jardim Botânico de Madri
encantou-se com a flor, durante uma visita ao México. Foi o suficiente para que
a dália atravessasse o oceano e chegasse à Europa,
onde se adaptou muito bem ao clima temperado.

Foi o botânico sueco A. Dahl, responsável pela expansão das dálias pela
região nórdica da Europa, que inspirou o nome da flor. Os holandeses
e os franceses
foram os maiores incentivadores do cultivo e da produção de inúmeras espécies
híbridas de dálias. Foi a imigração holandesa que contribuiu muito para a
propagação desta flor no Brasil.

Hoje, graças ao surgimento de vários híbridos, podemos encontrar
diversos tipos de dálias, o que resulta numa grande variedade de formas
(pompom, bola, decorativa, etc.) e cores (branca, alaranjada, vermelha,
amarela, pink). São mais de três mil variedades resultantes de cruzamentos com
outras espécies, como os crisântemos, por exemplo.

Reprodução: por meio de sementes, estaquia das
     pontas dos ramos ou divisão das raízes tuberosas; sendo que esta última
     permite a propagação de um exemplar com características idênticas às da
     planta-mãe.
Substrato ideal para o plantio: 2 partes de
     terra comum, 2 partes de terra vegetal e 1 parte de areia
Clima ideal: ameno
Luminosidade: Em locais de clima frio, precisa
     de no mínimo 4 horas de sol pleno; já em clima quente, recomenda-se o
     cultivo à meia-sombra
Regas: manter o solo sempre úmido, sem
     encharcar
Floração: produz flores isoladas na
     primavera e no verão, em várias cores
Cuidados: necessita de proteção contra ventos
     e adubação orgânica a cada três meses


Fonte:wikipedia.