百日草一年四季的养护方法和要点

植物图片 2019-09-11 13:23

百日草是一种中草药，有清热、解毒、利湿的功效，也可做观赏养殖。百日草观赏为主的话，在养护时就要做观赏的养护，从幼苗进入生长期就开始。百日草生长期养护要点有哪些，摘新、浇水、施肥、修剪和防虫，一样都不能拉下。

一、百日草生长期的养护

1、摘心

百日草通常在春天进入生长期，秋天气温适合生长也比较旺盛。刚进入生长期，幼苗要定植，定植后才好养护。待幼苗长到15厘米左右时，通常会长出好几片叶子，对底部的两对对叶进行摘心，促进其分枝长出腋芽。

2、浇水和施肥

百日草生长期白吃土壤湿润即可，不用过多浇水，夏天，需要多浇水;生长期施肥通常3次就可以了，薄肥为宜。苗期氯肥和钾混合为主;生长期快到花期时，磷肥为主。进入秋天，施一次氯、磷、钾复合肥，度过生长期准备入冬。

3、修剪和防虫

百日草的生长期，要注意修剪，尤其准备做切花养殖的，要剪掉过多的枝条，做盆栽观赏，剪掉不适合做造型的枝叶，防止营养流失。另外，生长季也是害虫多发期，要注意防虫防病。

二、百日草一年四季的养护

1、春天

春天是百日草的生长期，上面介绍的百日草生长期养护要点，大部分比较适用于春天。春天要保持土壤的湿润，勤施薄肥，注意摘心和打顶，让其在生长期多发新芽长新枝，花期时花蕾就多;保持充分的光照，残花及时修剪。

2、夏天

百日草不喜高温，夏天养护要特别注意，气温过高时，要移至散光或见光的位置，向四周喷水降温，保湿通风，减少浇水，同时，要停止施肥。八月以后待天气转凉，再慢慢移至室外阳光下，慢慢开始生在，正常养护。

3、秋天

百日草进入秋天，开始生长迅速，同时，大量开花;这时，要及时浇水和合理施肥，保证充分的光照和气温。秋末时，气温降低，将其移置阳光可以照射的阳台或室内，保证气温，花期会延长。

4、冬天

百日草正如其名字，只能养百日，取这样的名字可能就是由于只能活百日。秋天进入冬天时，随着气温的慢慢降低，百日草也慢慢会枯死。所以，冬天不用护理。

三、百日草养殖的注意事项

1、定型摘心

百日草养殖时，长到一定高度，叶子达到4对真叶时，就要开始修剪摘心，做定型处理。否则，植株侧枝太少，株型太高，不耐风吹，容易伏倒，开花也少，影响漂亮。

2、防病虫害

百日草最常见的白星病，黑斑病和花叶病，刚发病时，及时减掉患病部位，防止扩大，然后喷洒农药及时处理。平时养护保持通风，提高植株免疫力。

结语：百日草昙花一现，可以观赏可以入药，只有一百天左右的寿命，奉献自己的一生，喜欢的花友可以试试养殖。

专题： 百日草
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