Fertilizer is basically a multivitamin for your plants. Fertilizer supplements the energy they get from the sun and soil, giving your plants everything they need to grow strong roots, lush leaves, and beautiful blooms.
Capped plants
If you are looking for the best fertilizer for your house or indoor plants, we are here to help. In this article, we introduce ten types of the best fertilizers for indoor plants.
What type of fertilizer is suitable for indoor plants or so-called greenhouses?
There are many different types of fertilizers to choose from, which is one of the reasons why finding the right fertilizer for houseplants can be so difficult. Here are a few different types to consider:
Liquid fertilizers
One of the best things about liquid fertilizer is that you have a lot of control over how much you use. You can stop fertilizing during dormant periods and be sure that no more fertilizer is released into the soil yet.
Granular fertilizers
Granules are a little tricky to use on indoor plants because they release all their nutrients at once when the plant is watered, so it’s impossible to tell how much the plants are getting. Follow the directions on the package very carefully so you don’t over or under feed your plant.
Slow release fertilizers
Slow fertilizers come in different forms including spikes, pods and capsules. They have a time-release coating that allows nutrients to slowly work their way into the soil.
This type of fertilizer works best in small pots because you don’t have to worry about nutrient distribution because there is less space to cover.
Type 10 of the best fertilizers for indoor plants
1) Yew plant food spike Miracle-Gro 300157
These plant food spikes from Miracle-Gro are ideal for all houseplants, including spider plants and ferns. Each spike is filled with the micronutrients your potted plants need, and you can add more spikes as larger plants need them.
One of the best things about this indoor plant fertilizer is how easy it is to use. All you have to do is poke a hole between the stem of the plant and the edge of the pot. Then push the spike into the soil until it is covered.
2) Miracle-Gro soluble in the water of all the nutrients of the target plants
Miracle-Gro is one of the most well-known fertilizer brands, so it’s no surprise to see another one of its products on our list. Instead of spikes, this product consists of water-soluble granules that you place in the soil.
This fertilizer is suitable for all plants, both indoors and outdoors, so it’s a good choice if you have a lot of potted plants and want to give your outdoor plants some love too.
3) Osmocote Smart-Release Plant Food Plus plus outdoors and indoors
Another option that is great for houseplants is this granular formula from Osmocote. As it is enriched with 11 essential nutrients, this fertilizer is very effective. You can use it on almost any plant in any growing condition, indoors or outdoors.
One of the best things about this product is that it will feed your plants for a full six months, so you don’t have to worry about reapplying after a few weeks.
4) EarthPods Premium indoor plant food
One of the most unique indoor plant fertilizers is EarthPods. This fertilizer is placed in easy-to-use capsules, each of which contains concentrated plant nutrients that stimulate root and stem growth, improve leaf color, and provide resistance to diseases.
A tube of this product contains 100 pre-measured pods – a 5-year supply for an individual household. Not only is the tube easy to maintain, but it’s 100% recyclable and 100% durable made in the USA.
5) Jobe’s Organics 09524 Purpose seed fertilizer
This is a great choice if you want renewable, stable and biodegradable organic fertilizers. It is licensed for organic gardening and improves soil conditions to help your plants thrive, resist disease, drought and insects.
Jobe Organics uses Biozome, a proprietary blend of fungi, healthy bacteria, and Archaea to help improve soil quality over the long term so your indoor plants can flourish. Mix this into the potting soil or add it to the existing plant line before planting.
6) Schultz all target plant food
This product is very easy to mix – just add seven drops to every liter of water before regular watering. You can feed your plants once or twice a month using 14 drops per liter of water.
You can add this product when planting, maintaining or when transplanting. This versatile formula is also great for a variety of plants. Whether you’re growing herbs or love orchids and cacti, this all-purpose formula is a great choice.
7) Food branches of 5001T Houseplant Plant
Another easy-to-use option are these plant-based food spikes from Jobes. They are formulated for all indoor plants and are precisely accessible to the roots for easy feeding, eg They have a continuous division.
Each spike is pre-measured and formulated to be placed directly into the soil. The size of the plant determines how many spikes are needed. For example, use two spikes for a four-inch pot. Use six for a 12-inch pot. Reapply every eight weeks for best results.
8) Kod JR Peters Jacks Classic
This water-soluble fertilizer is evenly balanced and helps your plants grow strong roots, stems and leaves. Classic Jack uses enhanced micronutrients that are effective at every stage of plant growth.
There are two ways to use this product. For regular, routine care, you can dissolve it in water or use it a few times a month as periodic food. If you intend to use this fertilizer for a long period of several months, it is better to use it alternately with normal water to prevent the increase of nitrogen or phosphorus in the soil.
9) Aquatic plant fertilizer
It is enough to use one teaspoon of this liquid in every two cups of water to give your plant the vitamins, nitrogen and phosphorus needed by your plant for better growth of roots, leaves and flowers.
10) Espoma INPF8 company, domestic organic plant foods
Another easy-to-use liquid fertilizer is this formula from Espoma. It is completely natural and organic and contains beneficial microbes to obtain the best results.
One of the things we love about this product is how easy it is to measure and mix. All you have to do is give the bottle a good shake and then turn it upside down to make sure the cap is secure. Then twist the bottle upright, open the lid and your pre-measured dose is ready to use.
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