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These formulas are the magic touch you’re gonna wanna enhance your houseplants.

Three of the best indoor plant fertilizers on table next to plant and watering pot

Credit:Better Homes & Gardens

Fertilizers provide different amounts of essential macronutrients to your plants.

Fertilizers are available as liquid, granule, or slow-release formulaseach bang out has advantages and disadvantages.

We also included both organic and synthetic options.

Bloom City CleanKelp Fertilizer Supplement

Credit: Amazon

It has a strong seaweed smell that shoppers may not like.

Plus, its much harder to burn your plants with an organic fertilizer.

Bloom Citys fertilizer is made with a blend of seven species of organic seaweed and kelp.

Bloom City CleanKelp Plant Fertilizer on table in between plant and watering can

Credit: Better Homes & Gardens / Eric Brockob

Its processed for extract the fibrous pulp that can create a brackish appearance.

Its not made with organic ingredients, so its not suitable for organic gardeners.

TheMiracle-Gro Water-Soluble All-Purpose Plant Foodis both budget-friendly and effective.

spoon filled with Bloom City CleanKelp Plant Fertilizer on table

You should plan to apply every one to two weeksduring the growing season.

Be sure to follow the instructions carefully to avoid applying too much and burning your plants.

This formula is relatively potent, providing 24% nitrogen, 8% phosphorus, and 16% potassium.

Bloom City CleanKelp Plant Fertilizer on table in between plant and watering can

This is a good amount more than a number of other fertilizers designed for houseplants.

This means they willeventually deplete the soils quality.

People who prefer to use organic fertilizers for indoor plants will want to avoid this option.

spoon filled with Bloom City CleanKelp Plant Fertilizer on table

When we tested this fertilizer on our own indoor plants, we appreciated how easy it was to use.

We mixed a tablespoon of the blue granules with a gallon of water and fertilized our plants.

Its nutrient-rich and works for outdoor plants as well, which means its easy to over-fertilize.

Miracle-Gro Water Soluble All Purpose Plant Food, 8 oz.

Credit: Amazon

The best fertilizer for indoor plants provides nutrients for your plants and is low-maintenance for you.

Walliser recommends only applying organic granular fertilizer once or twice from March to September.

This will help your plant absorb the most nutrients during the growing season and prevent over-fertilizing.

box of Miracle-Gro Water-Soluble All-Purpose Plant Food with spoon filled with product on table decorated with a plant and watering can

Credit: Better Homes & Gardens / Eric Brockob

Four pounds of this fertilizer will cover over 200 square feet.

Its concentrated and must be added to water before use.

Many fertilizers are made for both indoor and outdoor plants.

Miracle-Gro Water-Soluble All-Purpose Plant Food in spoon on table

TheEasy Peasy All Purpose Indoor Plant Foodis made specially for indoor plants to give you peace of mind.

A proper formula can make all the difference for your indoor plants and ensure their health isnt negatively impacted.

Easy Peasy comes in a concentrated 8-ounce bottle and will need to be combined with water before use.

box of Miracle-Gro Water-Soluble All-Purpose Plant Food with spoon filled with product on table decorated with a plant and watering can

Its recommended to use 1 teaspoon of solution with at least 2 cups of water.

When using this amount, you could get up to 12 gallons of food for your indoor plants.

Keep this in mind when watering.

Miracle-Gro Water-Soluble All-Purpose Plant Food in spoon on table

Its made of synthetic ingredients rather than organic.

Dont want to mess with fertilizing your houseplants very often?

In that case, a great option for yourindoor plantsmay be a slow-release fertilizer.

Amazon Burpee All Purpose Granular Plant Food

Credit: Amazon

Osmocotes Smart-Release Plant Foodkeeps working for up to four months after you apply it.

Keep in mind that it is a synthetic product and not suitable for organic gardening.

Its easy to overfeed with granule fertilizers, so follow the instructions carefully.

Amazon Easy Peasy All Purpose Indoor Plant Food

Credit: Amazon

It contains 4% nitrogen, 6% phosphorus, and 5% potassium.

Youll need to reapply them every two to three weeks.

These capsules can be used on flowering bulbs, houseplants, annual flowers, andflowering shrubs.

Osmocote Smart-Release Plant Food Outdoor & Indoor Plus

Credit: Amazon

Be sure to follow the instructions carefully to ensure you dont accidentally over-feed your plants.

It has a strong lingering smell after applying.

The product instructions recommend that you apply this fertilizer every four to six weeks.

Dr. Earth All-Purpose Fertilizer

Credit: Amazon

Like most fertilizers, Jobes Organic Granular Plant Food has a strong smell.

Pots deeper than four inches will require more pellets.

Cacti and succulentsare optimal for anyone with a bad track record of keeping plants alive.

EarthPods Organic Flower Food Fertilizer Spikes

Credit: Amazon

It serves as a nutrient booster and gently feeds your cacti and succulents over nine months.

To apply, sprinkle pellets onto the soils surface.

For best results, lightly mix the top layer of soil over the fertilizer.

Jobe’s Organics Granular Plant Food for Herbs

Credit: Amazon

For larger cacti, this can get pricey.

Liquid fertilizers are diluted with water and applied through a watering can.

No matter what form you choose, we recommend shopping for organic fertilizers over those with synthetic ingredients.

Amazon The Grow Co Succulent & Cacti Plant Food

Credit: Amazon

Plus, liquid fertilizers are available for plant use very quickly.

Granule fertilizers are sprinkled on top of the soil and then mixed into the soil with water.

Slow-release fertilizers inject nutrients into the potting soil over an extended period of time.

However, other types of fertilizers don’t need to be applied as frequently.

Thats why fertilizer is so important to an indoor plants overall health.

On the other hand, foliage plants, cacti, and succulents will not need as much fertilizer.

Once you bring your new indoor plant home, a quick online search will show that specific plants needs.

Your Questions, Answered

How much fertilizer do you need for a whole growing season?

The amount of fertilizer needed depends on the bang out of plant.

Plants with flowers or fruits require more nutrients and may need new fertilizer every time you water.

Some plants, including foliage and cacti, can go several months without new fertilizer.

Indoor plants growing season is from early spring to late summer.

Generally speaking, an 8-ounce fertilizer will last you one season.

What can you expect to pay for fertilizer for indoor plants?

The fertilizers on our list range in price from $6 to $40.

Less expensive fertilizers are typically made from synthetic ingredients rather than organic ones.

Over time, this can impact your plants soil quality.

If you prefer organic or nutrient-dense fertilizers, expect to pay more.

Plus, fertilizers stored in cool, dry places can last up to 10 years.