Fertilizing plants indoors is an important aspect of houseplant care, and there are many natural fertilizers that you can try before applying chemical fertilizers to your plants. One of the most readily available natural plant fertilizers is coffee grounds. But can it be used for all plants ?! How to use it ?! Join us in this article to learn how to use and the problems and benefits of coffee grounds for plants. , And tell you, can coffee be used to strengthen plants? Or not
Can coffee be used to fertilize houseplants?
Yes, coffee grounds are one of the most effective natural fertilizers for houseplants, but it is best to mix them with compost first. If you use coffee grounds directly on plant soils, it can cause excessive moisture retention, overgrowth of fungi and even impaired plant growth. Coffee grounds are a source of many nutrients that indoor plants can use effectively, and fertilizer is very cost-effective.
Why should we use coffee grounds ?!
Coffee grounds are an unusable but very useful and nutritious substance for plants in many kitchens that are unfortunately discarded. This free natural fertilizer is easily available and has a lot of nitrogen, which is one of the most important nutrients for healthy plant growth. Using coffee grounds is also a good way to reduce household waste.
Gardeners have been using coffee grounds to strengthen their reeds for many years, and it is clear that using them for houseplants will have good results.
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The best way to use coffee grounds is to fertilize plants
Although some people tend to add coffee grounds directly to the topsoil of their plants, this is not recommended as it can cause a lot of problems. However, there are three good ways to make the most of coffee grounds for houseplants, which we will discuss below.
Prepare compost using coffee grounds
The best way to use coffee grounds is to use them to make compost. To do this, collect all your coffee grounds and add it to the compost and set aside for a while to enrich your compost.
Most houseplants are native to the tropics, where they get most of their nourishment from rotting organic matter produced by massive plants around and above them.
Home compost largely restores this natural process and provides enough nutrients for houseplants to grow. The high amount of nitrogen in coffee grounds (NPK 2.1-0.3-0.3) is balanced by the other compounds in your compost.
How to use coffee compost
There are several ways you can use coffee grounds compost for your plant:
- When replacing the pot, use the prepared compost as plant soil
- Add a thin layer of it to the top of the soil
- Remove a few inches of topsoil and replace it with compost
Some people do not use home-made compost in their plants due to concerns about the odor produced by the compost, but do not worry because it is not a big deal and any odor produced will disappear very quickly and by adding compost to the soil Its smell can be prevented to a great extent.
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Problems with using coffee grounds for houseplants
- Maintain excessive moisture in the soil
Coffee grounds are extremely good at retaining moisture. Their organic nature and fine particles act like a sponge and retain soil moisture. This is a negative point for the plant, as the most common problem with most houseplants is over-watering. Adding coffee solution to the soil significantly increases the risk of over-watering houseplants, which can be catastrophic for your plants.
If you use coffee grounds directly or as compost in your plant soil, you can reduce the risk of over-irrigation by changing the soil composition you use. For example, by adding more coarse sand or perlite to the pot mixture and increasing drainage, the soil dries faster after irrigation, reducing the risk of heavy irrigation and root rot.
You can also use a porous pot or a smaller pot. Both of these changes lead to rapid drying of the soil and reduce the risk of over-irrigation.
- Enhances the growth of fungi
This can only happen if you add coffee grounds directly to the plant soil. Coffee grounds provide a breeding ground for fungal organisms.
This problem can be reduced by ensuring that the coffee grounds penetrate well into the soil and mix with it. Ideally, using coffee compost or adding coffee to the subsoil when changing pots reduces this risk.
- Absorbs pests in the soil
While some pests may not attack the plant with coffee, many pests and insects can be absorbed under the conditions that coffee grounds create in the soil of your houseplants. In this case, too, the use of coffee compost kills pests.