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Will Dendrobium dragonfly be spring or autumn?

It needs to be vernalized. According to the report of Nongtong. com, Dendrobium nobile is tolerant to low temperature and needs a low-temperature vernalization period of about 10℃ to promote flower bud differentiation. Adequate low temperature treatment can improve the quality and quantity of flower bud differentiation, so Dendrobium nobile should be vernalized. Dendrobium dragonfly, with long and thick stems and large and thick petals, is very ornamental.