花几次可以翻译为“how many times”,一年可以翻译为“a year”,所以整个句子翻译为: "How many times does the Dutch narcissus bloom in a year?"

How many times do Dutch daffodils bloom in a year?

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How many times do Dutch daffodils bloom in a year?

Dutch daffodils can only bloom once a year. Under normal conditions, their flowering period is from March to April each year, and each flowering can last about 20 days. If the breeding environment is relatively suitable, their flowering period may also last for a month or even longer. Before blooming, it is recommended to keep it in a low temperature environment of about 10-15℃ for a period of time, which can help it bloom more smoothly.

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