盛夏气温很高,我国大多数地方都接近或超过35℃,烈日曝晒,加之空气干燥,不耐高温的花卉生理活动会受到阻碍或破坏。为了适应自然,避免高温对自身的危害,一些花卉如瓜叶菊、三色堇、香豌豆、羽衣甘蓝等便以种子越夏;另一些花卉如石蒜、香雪兰、花毛茛、风信子等就将叶片全部脱掉,以地下球根休眠度夏;还有一些花卉如金边瑞香、令箭荷花、倒挂金钟、蟹爪兰、仙人指等则以植株整体休眠越夏。对于以种子、球根越夏的花卉,我们只要将种子、球根置 Summer temperatures are high, most parts of our country are close to or over 35 ℃, sun exposure, combined with air-dried, heat-resistant flower physiological activities will be hindered or destroyed. In order to adapt to the nature and avoid the danger of high temperature to itself, some flowers such as cineraria, pansy, sweet pea, kale and more will be more summer seed; other flowers such as Lycoris, Fragrant buttercup, ranunculus, hyacinth and so on Will take off all the leaves to the underground bulb dormancy summer; there are some flowers such as Phnom Penh Ruixiang, so Arrows lotus, fuchsia, Shchu Lan, immortal means that the whole plant dormant summer. For the seeds, the summer flower bulb, we just seed, bulb set