Comparison: Best Miracle Gro Concentrated Plant Food (Updated | Nov 11th)
But with so many options on the shelf, which formula really delivers the best results? We’ve tested the top contenders to find out which Miracle-Gro concentrate gives your garden the most bang for your buck—because great plants shouldn’t be left to chance.
- Best for feed-while-watering: Miracle-GRO 1001502 Liquid All Purpose Plant Food Concentrate
- Best for indoor boost pack: Miracle-Gro Indoor Plant Food
- Best for root-growth starter: Miracle-Gro Quick Start Planting and Transplant Starting Solution
- Best for refill-ready packs: 4 Pack Liquafeed Refills All Purpose Fertilizer
- Best for high-coverage formula: Miracle-Gro Water Soluble All Purpose Plant Food
- Best for gentle-burn safe: Miracle-Gro Water Soluble All Purpose Plant Food
- Best for budget liquid alternative: M’iracle~GRO Liquid All Purpose Plant Food Concentrate
- Best for organic dual pack: Miracle-Gro Organic Plant Food
- Best for feeder kit combo: Miracle-Gro LiquaFeed All Purpose Plant Food Advance Starter Kit
- Best for pure organic liquid: Miracle-Gro Organic Plant Food
Product Comparison: Best Miracle Gro Concentrated Plant Food
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.
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
Miracle-Gro Quick Start Planting and Transplant Starting Solution, For Flower and Vegetable Plants, Concentrate Mix with Water, 48 oz.
- Miracle-Gro Quick Start Planting & Transplant Starting Solution gives transplants the nutrients they need to thrive
- This plant starting solution improves root growth for faster blooms (vs unfed plants)
- Use this liquid plant food with seedlings, flowers, vegetables, trees, and other plants when planting or transplanting
- Apply this liquid concentrate by filling the cap to the 1st line and mixing with 1 gallon of water; pour solution around new plantings and repeat application in 7 days
- This 48 oz. bottle of Miracle-Gro Quick Start Planting & Transplant Starting Solution covers approximately 150 sq. ft. of planting area
4 Pack Liquafeed Refills All Purpose Fertilizer
- For all outdoor flowers, vegetables, trees, shrubs and lawns
- No-mess concentrate automatically mixes plant food with water at the correct level
- For use with Miracle-Gro LIQUAFEED garden feeder (sold separately)
- 4 pack
- 567 g (1.25 lb) each
Miracle-Gro Water Soluble All Purpose Plant Food, For All Indoor or Outdoor Plants, Roses, Flowers, Vegetables, Houseplants, Trees, and Shrubs, 1.5 lbs
- Feeds all plants: Miracle-Gro Water Soluble All Purpose Plant Food feeds all outdoor, in-ground and indoor plants, including roses, flowers, houseplants, vegetables, and trees
- Promotes growth: This all-purpose plant food grows bigger, more beautiful plants (vs unfed plants) and starts working instantly to promote quick, beautiful results
- NPK: 24-8-16 plant fertilizer contains Nitrogen (N), Phosphorus (P) and Potassium (K) which are key nutrients plants need to thrive
- Application: For indoor plants, mix 1/2 tsp per gallon of water in a watering can; For outdoor plants, mix 1-1/2 tbsp per 1-1/2 gallon of water. Use with the Miracle-Gro Garden Feeder or any watering can
- Coverage: One 1.5 lb. container of Miracle-Gro Water Soluble All Purpose Plant Food feeds approximately 600 sq. ft. of garden area
Miracle-Gro Water Soluble All Purpose Plant Food, Fertilizer for Indoor or Outdoor Flowers, Vegetables or Trees, 3 lbs.
- Full of essential nutrients, it instantly feeds to grow bigger, more beautiful plants versus unfed plants
- Feed every 1-2 weeks
- Use with the Miracle-Gro Garden Feeder or any watering can
- For all flowers, vegetables, trees, shrubs and houseplants
- Safe for all plants, guaranteed not to burn when used as directed
M’iracle~GRO Liquid All Purpose Plant Food Concentrate, Feeds All Indoor & Outdoor Plants – 32 oz (Pack of 1)
- Instantly feeds all types of plants for fast, visible results
- Easy-to-use liquid concentrate—just mix with water in a watering can
- Suitable for all plant types: flowers, vegetables, herbs, shrubs, trees, and houseplants
- For in-ground use: mix capful to 1st line with 2 gallons of water to feed 20 sq. ft.; apply every 7–14 days
- For container plants: mix 1 teaspoon per gallon of water and apply every 2 weeks
Miracle-Gro Organic Plant Food, 32 oz. (2-Pack)
- Miracle-Gro Organic Plant Food is made from plants for all plants for Successful Organic Gardening Made Attainable
- Made from 94% plant-based fertilizer ingredients, this organic gardening product feeds plants instantly for healthier, more resilient plants (vs unfed plants, when used as directed)
- Use with all plant types, including indoor or outdoor container plants and in-ground plants in gardens
- To apply this liquid plant food, dilute with water per label directions and soak the soil around each plant; reapplications may be made to outdoor garden plants every 7-14 days or every 2 weeks to indoor plants
- This bundle includes two 32 oz. containers of Miracle-Gro Organic Plant Food
Miracle-Gro LiquaFeed All Purpose Plant Food Advance Starter Kit, For Flowers, Vegetables, Trees and Shrubs, One 16 oz. Plant Food and One Feeder
- Grow plants twice as big compared to unfed plants with the Miracle-Gro LiquaFeed All Purpose Plant Food Advance Starter Kit
- With this plant food and garden feeder set, feeding is as easy as watering!
- Use this all-purpose plant food in in-ground gardens or outdoor containers and with most plant types, including flowers, vegetables, trees, and shrubs
- To apply, attach LiquaFeed Feeder to your garden hose and insert LiquaFeed Plant Food bottle
- This starter kit includes one Miracle-Gro Liquafeed Feeder and one 16 oz. bottle of Miracle-Gro LiquaFeed All Purpose Plant Food, which feeds up to 400 sq. ft. of garden
Miracle-Gro Organic Plant Food, Made from Plants for All Plants, Use with Indoor or Outdoor Container Plants and In-Ground Gardens, OMRI Listed, 32 oz.
- Miracle-Gro Organic Plant Food is made from plants for all plants for Successful Organic Gardening Made Attainable
- Made from 94% plant-based fertilizer ingredients, this organic gardening product feeds plants instantly for healthier, more resilient plants (vs unfed plants, when used as directed)
- Use with all plant types, including indoor or outdoor container plants and in-ground plants in gardens
- To apply this liquid plant food, dilute with water per label directions and soak the soil around each plant; reapplications may be made to outdoor garden plants every 7-14 days or every 2 weeks to indoor plants
- This 32 oz. container of Miracle-Gro Organic Plant Food makes up to 10.75 gallons of diluted plant food
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 are the main differences between Miracle‑Gro liquid concentrates and water‑soluble powders?
Liquid concentrates, like the 12‑4‑8 All Purpose Plant Food, are pre‑mixed formulas you add directly to a watering can, which makes dosing quick and reduces mess. Water‑soluble powders, such as the 24‑8‑16 All Purpose Plant Food, require you to measure and dissolve the powder in water, offering more precise control over nutrient strength. Generally, liquids are favored for indoor and container plants, while powders are popular for larger outdoor beds where bulk coverage is needed.
How do I decide between the indoor‑specific plant food and the all‑purpose formulas?
Indoor‑specific formulas, like the Miracle‑Gro Indoor Plant Food, are formulated with a balanced nutrient blend that supports foliage growth without over‑fertilizing houseplants. All‑purpose formulas contain higher nitrogen levels suitable for vigorous growth in garden beds, vegetables, and flowering plants. Choose the indoor version if you primarily fertilize houseplants, and the all‑purpose version for mixed indoor/outdoor use or larger garden projects.
Is the organic Miracle‑Gro plant food worth the extra cost compared to synthetic options?
The organic line is made from 94% plant‑based ingredients, providing a more environmentally friendly choice and often gentler feeding for sensitive plants. While the price per ounce is higher than synthetic concentrates, the organic formula can be used at the same application rates, delivering comparable coverage. If sustainability and reduced chemical input are priorities, the organic option offers good value despite the higher upfront cost.
Which product gives the best coverage for a medium‑size garden (around 500 sq ft)?
The Miracle‑Gro Water Soluble All Purpose Plant Food (1.5 lb) covers approximately 600 sq ft, making it the most efficient choice for a 500 sq ft garden. The LiquaFeed All Purpose Starter Kit feeds up to 400 sq ft, so you would need an additional bottle for full coverage. For the most cost‑effective coverage, the water‑soluble 24‑8‑16 formula provides the largest area per container.
How often should I apply the different Miracle‑Gro fertilizers for optimal growth?
Most liquid concentrates, including the All Purpose Plant Food, recommend feeding every 7–14 days for vigorous growth. Water‑soluble powders suggest a similar 1–2 week interval, but you can adjust to every 2 weeks for indoor plants to avoid over‑feeding. Consistent, regular applications aligned with the product’s schedule will yield the healthiest, most robust plants.
Can I use the Quick Start Planting & Transplant Solution as a regular fertilizer?
The Quick Start solution is designed for seedlings and transplants, providing a high concentration of nutrients to stimulate root development. While it can be used periodically throughout the growing season, it is not intended as a full‑time fertilizer for mature plants. For ongoing feeding, switch to an all‑purpose or indoor‑specific formula after the initial establishment period.
What are the benefits of using the LiquaFeed system compared to manual mixing?
LiquaFeed integrates the fertilizer into a garden feeder that attaches to a hose, delivering the exact nutrient‑to‑water ratio automatically, which eliminates guesswork and reduces waste. Manual mixing, as required by liquid concentrates, can lead to inconsistent concentrations if not measured precisely. The feeder system saves time and ensures consistent feeding, especially for larger gardens.
Is there a noticeable performance difference between the 12‑4‑8 and 24‑8‑16 NPK ratios?
The 12‑4‑8 formula provides a balanced nutrient mix ideal for general foliage and root health, suitable for most houseplants and light garden use. The 24‑8‑16 formula contains higher nitrogen, promoting rapid leaf growth and larger blooms, which benefits heavy‑feeding crops and flowering beds. Choose the lower NPK ratio for steady, all‑round growth, and the higher ratio when you want a boost in vegetative or flowering performance.