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绿色菊花国内现有２０多个优良品种，都很名贵。但美中不足的是许多绿菊品种生长期不耐烈日酷暑，花期在强光直接照射下绿色变浅甚至暗淡褪色，如“绿牡丹”、“春水绿波”、“绿云”等。如何使在北方栽培的绿菊品种不褪色，应采取以下方法。一、应在高温时节遮阴养护。具体步
Green chrysanthemum more than 20 existing varieties of fine, are very expensive. The fly in the ointment is that many varieties of green chrysanthemums are not able to tolerate the intense heat during the growing season and the greenish plants are faded or dull when exposed to direct glare such as “Green Peony”, “Spring Green Wave” and “Green Cloud”. How to make green chrysanthemum varieties cultivated in the north do not fade, the following methods should be taken. First, shade maintenance should be hot season. Specific steps