草坪施肥指南：四季养护健康绿茵的季节性建议

A lawn that is full of grass doesn’t just happen. One of the most important things you can do for your lawn is to fertilize it correctly. But knowing when to fertilize is just as important as knowing what fertilizer to use. Applying at the wrong time can hurt grass, waste nutrients, and even hurt it for a long time. Depending on the type of grass and the season, this guide will show you the best times to fertilize your lawn all year long.

为什么施肥时间如此重要？

We all know that fertilizing lawns at the wrong time, like too early, too late, or during a heat wave, will burn the roots, which will make the lawn get sick and waste our money. Especially for 有机肥, it is a kind of slow-release nutrient, so this makes timing even more important: you need to match the time with the needs of the plants. So fertilizer timing matters because:

• 在活跃生长期间施肥有助于草更好地吸收养分。
• 如果施肥时间错误，营养物质就会流失，植物就会生长不良，甚至会生病。
• 肥料的有效性受到全年温度、阳光和雨水变化的影响。

春季何时给草坪施肥

人们常在春季首次考虑给草坪施肥。但时机至关重要：

• Early Spring (too soon): Fertilizing right after winter dormancy may make plants grow weakly and shallowly.
• Late Spring (best): It is the best time to fertilize your lawn. You should do it after the grass has started to grow and you’ve mowed it at least two or three times. This makes sure that the lawn is ready to take in nutrients so it can grow steadily.

春季施肥能让草坪在冬眠后焕发活力，并为应对夏季高温做好准备。

夏季何时给草坪施肥

夏季因酷热难耐，养护草坪往往相当困难：

• 为保持植物的色泽与生长力，初夏时节应适量施肥。
• Don’t use too much in the hottest part of summer, as this can burn grass and spread disease.
• Use fertilizers that release nutrients slowly so your lawn doesn’t get shocked.

夏季是暖季型草生长最旺盛的时期，因此此时施肥尤为有效。

秋季何时给草坪施肥

许多人认为秋季是施肥的最佳时机：

• 草利用养分来增强根系、储存能量，并修复夏季造成的损伤。
• 秋季给草坪施肥有助于它安然过冬，并在春季迅速恢复生机。
• 在预计初霜来临前6至8周将肥料撒在地面上。

秋季施肥对冷季型草坪草效果最佳，但也能帮助暖季型草坪草在休眠前长出更健壮的根系。

冬季是否需要施肥？

Because grass is dormant and can’t take in nutrients, winter fertilization isn’t needed in many places. But in warmer places where grass stays green all year, a light winter feeding may help keep the color and strength.

Don’t fertilize lawns that are frozen or covered in snow because the nutrients will wash away and pollute waterways.

我们应该多久给草坪施肥一次？

We should fertilize our lawn 2 to 4 times a year, depending on the types of grass, the soil, and the weather in your area. A good schedule for cool-season grasses is in the spring, late summer, and fall. For warm-season grasses, it’s in late spring, mid-summer, and early fall. The best way to find out exactly how often and what kind of fertilizer your lawn needs is to test the soil.

实用的施肥技巧

• 施肥应在雨前还是雨后？——最佳时机是土壤微湿时，随后轻浇一轮水。避开暴雨预报，以免养分被冲刷流失。
• 早晨还是傍晚？——早晨施用最佳；此时草叶沾满露水，且受热应激较小。
• 新播的草籽？使用富含磷的起始肥料，促进根系生长。
• 速效型还是缓释型？——缓释型能持续供养，而速效型见效快但可能需要更频繁地施用。

常见错误

• 过量施肥会伤害根系并灼伤草坪。
• Wrong timing—fertilizing grass that isn’t growing wastes money and hurts the health of the soil.
• Not testing your soil—You might be adding nutrients that aren’t needed if you don’t know what your soil is like.
• Not watering correctly—water is needed for fertilizer to get through the soil and to the roots.

关于草坪施肥的常见问题解答

问题 1：施肥前我应该修剪草坪吗？
是的，施肥前修剪草坪可以让养分更有效地到达土壤。

问题2：我可以在同一天施肥和浇水吗？
是的，事实上施肥后浇水有助于养分渗入土壤。

问题 3：如果施肥过于频繁会发生什么？
过度施肥会导致过度生长、养分流失和长期土壤不平衡。

Q4：秋季施肥比春季更重要吗？
是的，秋季施肥可以强化根部，提高冬季存活率，并支持早春生长。

Q5. 冬天可以施肥吗？
冷季：仅当土壤≥10°C时；暖季：休眠，因此不行。

Q6. 一年使用有机物几次？
冷季：3；暖季：4。过度施用会增加茅草，但不会增加颜色。

Q7. 草循环能代替喂食吗？
每年回收的剪报可提供约 1 磅 N/1,000 平方英尺——足以省去一次夏季轻度施肥。

Q8. Will organic fertilizer green-up fast?
Expect 7–14 days vs. 3–5 days for synthetics, but color lasts 6–8 weeks without surge growth.

总结

保持草坪全年健康翠绿的秘诀在于掌握施肥时机。最佳施肥时间取决于草种类型和当地气候。通常而言：

• If you want to help plants grow, you’d better fertilize them in late spring.
• 如有需要，夏季请轻施肥。
• 秋季需大量施肥以促进根系生长。

只要遵循季节性养护指南并避免常见错误，您的草坪就能获得所需养分，长期保持美丽强健的状态。