秘鲁白花水仙（Ismene Festalis） - 秘鲁水仙吧

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原产秘鲁的白花秘鲁水仙，被称为秘鲁水仙花的伊斯美妮，冬季气候合适可常绿，夏季7-9月间开花，花巨型洁白，花型优美如舞蹈的肢体，花冠具有原始花型的特点，有淡香，管理粗放。
This plant with its exquisite bloom is a bulb, and like most bulbs it hates pots. It will bloom in a pot if the bulb is large enough, but the bulbs will shrink in pots like most bulbs do, even when planted in huge pots. It also has contractile roots and will pull itself down into the soil to 18 inches deep, since it doesn't grow until the soil warms up it may not emerge until August the following year, and here where it rains nonstop Fall thru Spring, a very wet year can rot the bulbs. It is best grown in a very well drained, hot location or lifted every fall and replanted when the soil warms up. It can also be grown in large pots, the leaves are attractive also. The blooms only last about 1 week, but hold in a cooler for cut flowers very well, opening quickly after warming.
- Needs large (in fact huge) space - won' t flower in small pots.
- Flowering lasts very short, for about a week.
- Foliage is huge and flowers are few.
- When overcrowded it won' t flower.
-When divided it won' t flower until the following year.
- Uprooted bulbs won' t flower until the following year.
此种秘鲁水仙较耐寒，冬季置于室内向阳处可常绿，但仍接近休眠。因休眠后叶片不美观，建议12月起应停水，置于室内冷处，直至叶片全部枯萎，是否起球看情况，一般2年起次球。
此类水仙需大盆栽植，不然不喜开花，于夏季可耐受高温和午后阳光，保证水肥即可。
于上海一般3月萌动，4月中下旬发芽，球根可稍许深埋，但由于球体会长很大，一般可至篮球大小，盆栽的话量盆而行，地载的话20cm左右深即可。
此种水仙在温暖季节生长迅速，可开花不断（2-3周），但每朵花至多3天。
此类水仙向阳性较强。