Comparison: Best Gro Sure Plant Food Liquid (Updated | Nov 11th)
We’ve all been there: watering faithfully, giving plenty of light, yet our green friends still look a bit under the weather. That’s why we put the best Gro-Sure liquid feeds to the test. From vibrant blooms to lush foliage, we’re breaking down what really works, so you can skip the guesswork and watch your plants thrive with confidence.
- Best for indoor boost pack: Miracle-Gro Indoor Plant Food
- Best for versatile concentrate: Dyna-Gro Grow 32 oz. Concentrated Liquid Plant Food
- Best for balanced 20-20-20: EZ-GRO 20 20 20 All Purpose Fertilizer – All Purpose Liquid Plant Food – Lawn
- Best for organic kelp blend: Espoma Organic Grow! Liquid Concentrate Plant Food – All Purpose Fertilizer for Indoor & Outdoor Plants. for Organic Gardening. 16oz Bottle Pack of one
- Best for feed-while-water: Miracle-GRO 1001502 Liquid All Purpose Plant Food Concentrate
- Best for root-strength formula: Schultz SPF45170 Purpose Liquid Plant Food 10-15-10
- Best for high-concentrate indoor: Liquid Indoor Plant Food
- Best for 50-gallon value: Purived 16oz All-Purpose Liquid Plant Fertilizer – Makes 50 Gallons
Product Comparison: Best Gro Sure Plant Food Liquid
Miracle-Gro Indoor Plant Food, Liquid Plant Food for Houseplants, Snake Plants, Peace Lilies, Flowers, Vegetables, Herbs and More, 8 oz., 2-Pack

- Miracle-Gro Indoor Plant Food is formulated with nutrients your indoor plants need to flourish
- This liquid plant food feeds plants instantly
- Where to use: Use with all indoor container plants including houseplants, snake plants, croton, peace lilies, flowers, vegetables, and more
- How to use: Apply this houseplant food directly to the soil using 1 pump for small pots and 2 for large pots, or mix 4 pumps of plant food with 1 quart of water and water as usual
- What’s included: This bundle comes with two 8 oz. bottles of Miracle-Gro Indoor Plant Food
Dyna-Gro Grow 32 oz. Concentrated Liquid Plant Food

- Sold on Amazon
EZ-GRO 20 20 20 All Purpose Fertilizer – All Purpose Liquid Plant Food – Lawn, Flowers, Herbs, Vegetables – Best Way to Grow Healthy Plants – Garden-Growing Miracle Nutrients – 1 Qt / 32 fl oz

- Balanced Nutrition for All Plants: Looking for a one-size-fits-all fertilizer? Our 20-20-20 formula gives your plants exactly what they need! Whether you’re growing flowers, herbs, vegetables, or even a lush lawn, this balanced blend ensures your plants grow stronger, healthier, and more vibrant.
- Fast-Acting Liquid Formula: Feed your plants quickly and easily! This liquid lawn fertilizer is designed to be absorbed fast, delivering nutrients straight to the roots. Just mix with water and apply, it’s perfect for gardeners who want visible results, whether indoors or outdoors.
- Perfect for All Garden Types: From your backyard vegetable patch to houseplants and even lawns, this all-purpose fertilizer has you covered. Its 20-20-20 fertilizer formula works for any plant, providing essential nutrients to boost growth and flowering. Simple to use, and powerful enough to support everything in your garden.
- Strengthens Root and Leaf Development: This fertilizer isn’t just for showy flowers and fruits, it strengthens root systems and encourages leafy growth, too. The Nitrogen helps lush, green leaves flourish, while Phosphorus works on root health, ensuring your plants are strong from the ground up. Use it regularly for robust, healthy plants year-round!
- Our Story: Ray DeBruhl, an agronomist and horticulturalist, founded EZ-gro after developing the first scientific agronomic program and patented greenhouse system that revolutionized an industry. His groundbreaking work in fertilizers and water quality had a global impact. With referrals from a Fortune 500 company, he sold his systems in six countries. His expertise led to EZ-gro’s consumer hydroponic products, with flagship fertilizers that simplify growing and ensure success for home gardeners.
Espoma Organic Grow! Liquid Concentrate Plant Food – All Purpose Fertilizer for Indoor & Outdoor Plants. for Organic Gardening. 16oz Bottle Pack of one

- FOR USE ON: Use Espoma Organic Grow! for plants in the landscape or for containers both indoor and outdoor. Can be used for houseplants.
- CONTAINS: This liquid concentrate contains natural proteins that are enhanced with kelp extracts and humic acids. Fertilizer analysis is 2-2-2. No sludges or toxic ingredients.
- WHEN / HOW TO USE: Best to use Grow! every 2-4 weeks throughout the growing season. Simply mix with water as directed and water your plants.
- FOR ORGANIC GARDENING: Grow! is approved for organic gardening; It is a registered Organic Input Material meaning it meets all requirements for organic production.
- MADE IN THE USA: Product of the Espoma Company. The leader in natural organics since 1929.
Miracle-GRO 1001502 Liquid All Purpose Plant Food Concentrate, 12-4-8, 32-Ounce Bottle (2-Pack (32 Oz))

- For Houseplants or In the Garden
- Shake bottle well before each use. Measure amount based on the area of use for in the garden or houseplants. See label for full product instructions.
- Feed While Watering
- Miracle-Gro makes it easy to feed while watering. Add Miracle-Gro Liquid All Purpose Plant Food to a watering can then apply by thoroughly soaking the soil around each plant.
- For Best Results – Apply every 7-14 days for spectacular results.
Schultz SPF45170 Purpose Liquid Plant Food 10-15-10, 8 oz. Universal

- Schultz SPF45170 Purpose Liquid Plant Food 10-15-10, 8 oz. Universal
Liquid Indoor Plant Food, All-Purpose Indoor Plant Fertilizer, Liquid Plant Food, Easy Peasy Plants House Plant Fertilizers 4-3-4 Plant Nutrients, House Plant Food | Lasts Same as 8 oz Bottle

- Indoor plant food specifically formulated for indoor potted plants. High concentrate plant fertilizer only take 1/2 teaspoon while watering your houseplants.
- Indoor plants especially house plants deserve plant food fertilizer that delivers nutrients that matter to the health of your plants. Our high concentrate 4-3-4 lasts much longer than other product
- We use the highest quality ingredients to produce this liquid fertilizer for indoor plants. This house plant fertilizer contains a balanced 4-3-4 nutrient blend.
- Easy to use 1 teaspoon of Easy Peasy Indoor Plant Food with a minimum of 2 cups of water will provide enough house plant fertilizer for many live houseplants
- REDUCE WASTE: Easy Peasy Plants Indoor Plant Food high concentrate indoor plant food provides indoor plant fertilizer for more houseplants than any other competitor
Purived 16oz All-Purpose Liquid Plant Fertilizer – Makes 50 Gallons, for Indoor Houseplants, All-Natural, Groundwater Safe, Made in USA

- Best value, one bottle makes 50 gallons of nutrient rich, odorless fertilizer that feeds instantly
- Easy to use & feeds instantly. Just mix a cap full of Purived Plant Food to 1 gallon of water & feed
- All-purpose, nutrient rich formula designed to feed indoor & outdoor potted plants
- Formulated for all types of feeding methods: soil drench, foliar feed, full & semi hydroponics
- Purived Plant Food has a 2 year shelf life
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
What should I look for in a liquid plant food for indoor houseplants?
Focus on the nutrient ratio (N-P-K) that matches your plant’s needs, the concentration level, and whether the formula is organic or synthetic. Look for easy‑mix instructions and dosage guidance, especially if you have a mix of small and large pots. Also consider any added ingredients like kelp or humic acids that can boost root health.
How does Miracle‑Gro Indoor Plant Food compare to the Espoma Organic Grow! concentrate?
Miracle‑Gro offers a synthetic blend with a higher nitrogen level, ideal for fast leaf growth, while Espoma provides a low‑grade 2‑2‑2 organic formula with kelp and humic acids for gentle, long‑term feeding. Miracle‑Gro’s 8 oz bottles come in a convenient pump system, whereas Espoma requires mixing with water every 2‑4 weeks. If you prefer organic gardening, Espoma is the better choice; for quick results, Miracle‑Gro may be more effective.
Is a higher N‑P‑K ratio always better for houseplants?
Not necessarily; a high nitrogen (N) level promotes foliage but can lead to weak roots if overused. Balanced ratios like 4‑3‑4 (found in Easy Peasy Indoor Plant Food) or 20‑20‑20 (EZ‑GRO) support overall plant health, while lower ratios such as 2‑2‑2 (Espoma) are gentler for sensitive indoor species. Choose a ratio that matches the growth stage and type of plant you’re feeding.
Which product gives the best value per ounce for feeding both indoor and outdoor plants?
Purived’s 16 oz bottle makes up to 50 gallons of fertilizer, delivering a very low cost per gallon compared with most other brands. Schultz’s 8 oz 10‑15‑10 formula is also economical, but it does not stretch as far as Purived’s concentrate. For gardeners who need large volumes for multiple containers, Purived provides the best bang for the buck.
Can I use the same liquid fertilizer for both houseplants and a small garden?
Yes, many of the listed products, such as EZ‑GRO 20‑20‑20 and Miracle‑Gro All‑Purpose Concentrate, are formulated for universal use on indoor and outdoor plants. However, be mindful of the recommended dilution rates; garden applications often require a weaker solution to avoid fertilizer burn on larger soil volumes. Always follow the label instructions for each environment.
What are the benefits of a high‑concentration formula like Easy Peasy’s 4‑3‑4 blend?
High‑concentration formulas let you use less product per watering, reducing waste and storage space. They also provide a longer shelf life because fewer nutrients are exposed to air and moisture. Just be careful to dilute correctly, as over‑concentration can scorch delicate houseplant roots.
How often should I apply liquid plant food to my indoor plants?
Most manufacturers recommend feeding every 7‑14 days for optimal growth, as seen with Miracle‑Gro All‑Purpose and Dyna‑Gro Grow. Organic options like Espoma suggest a 2‑4 week interval, which is gentler and reduces the risk of nutrient buildup. Adjust frequency based on plant response and the specific fertilizer’s guidelines.
Is there a noticeable performance difference between synthetic and organic liquid fertilizers?
Synthetic fertilizers, such as Miracle‑Gro and EZ‑GRO, typically deliver rapid visible growth due to readily available nutrients. Organic options like Espoma release nutrients more slowly, supporting soil health and beneficial microbes over time. Your choice should depend on whether you prioritize quick results or long‑term soil sustainability.
