What Are The Best Granular Indoor Plant Fertilizers in 2025

A granular plant fertilizer with 15 essential nutrients

Osmocote Smart-Release Plant Food Plus is a granular fertilizer that is formulated with 15 essential nutrients. The fertilizer is coated with a semi-permeable resin that allows nutrients to be released slowly into the soil for up to 6 months. The product is suitable for both indoor and outdoor plants and is easy to apply. No need for frequent applications, this product ensures your plants get the nutrients they need over time.

Organic granular fertilizer with Biozome for all indoor plants.

Jobe's Organics 09524 is an all-purpose granular plant food containing Biozome, a proprietary blend of microorganisms that improves long-term soil quality and promotes plant growth. The 4-pound bag is resealable for easy storage. This fertilizer is organic and omri listed, meaning it's safe to use around pets and children. It provides your indoor plants with the essential nutrients they need to grow strong and healthy.

A fast-acting, eco-friendly granular fertilizer

Jobe's Organics Granular Fertilizer is a 100% organic and eco-friendly product that is perfect for all indoor plants. It is a fast-acting fertilizer that enriches the soil with a unique blend of beneficial microorganisms, enhancing nutrient availability and promoting root growth. This product is free from harsh chemicals and is OMRI listed for organic use. It's an ideal choice for those seeking to care for their plants and the environment at the same time.

An 8-pound container of slow-release granular plant food.

Osmocote Smart-Release Plant Food Plus is a granular fertilizer that feeds your indoor plants for up to 6 months with just one application. It has a balanced formula that provides all the essential nutrients your plants need. It's easy to use - just sprinkle it on the soil and water as usual. The granules are coated with a unique resin that controls nutrient release, providing your plants with a steady supply of food. It comes in an 8-pound container, so it's perfect for those with a lot of indoor plants.

Easy-to-use indoor plant food spikes

Miracle-Gro Indoor Plant Food Spikes provide a continuous supply of nutrients to your indoor plants for up to 2 months. These easy-to-use spikes are simply inserted into the potting mix, and they slowly release a balanced feeding of micronutrients. This product is ideal for all indoor plants, including edibles. It is an excellent choice for those who want a simple and effective way to nourish their plants.

30 fertilizer spikes for indoor palm plants with a slow-release formula.

Jobe's 05101 Fern & Palm Fertilizer Spikes are a pack of 30 spikes of granular indoor plant fertilizer. They are specifically formulated for all indoor palm plants, providing them with the nutrients they need for optimal growth. The spikes have a slow-release formula that feeds the plants for a long period of time. They are easy to use, just insert them into the soil and they'll slowly release nutrients over time. This product is perfect for those who have indoor palm plants and want to keep them healthy and thriving.