They are all winter growers. There are both autumn and spring flowering species.
它们均是冬季种植的球根植物，有春花型和秋花型两个主要类型。
Spring flowering bulbs have in common that they need to be planted some 3 ~ 4 weeks before the frost is in the ground.
春天开花的块茎有一个共性，种植它们要赶在地面出现霜冻前三到四个星期的时候。
If the ground hasn't frozen yet, plant spring-flowering bulbs such as crocus , daffodils, tulips and hyacinths as soon as possible to beat the odds.
如果泥土还未冻结，抓紧时机种下番红花，水仙，郁金香和风信花的球茎。
If the ground hasn't frozen yet, plant spring-flowering bulbs such as crocus , daffodils, tulips and hyacinths as soon as possible to beat the odds.
如果泥土还未冻结，抓紧时机种下番红花，水仙，郁金香和风信花的球茎。
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