Comparison: Best Miracle Gro Liquid Plant Food Directions (Updated | Nov 11th)
We’ve tested the most popular Miracle-Gro liquid formulas, followed the directions to the letter, and seen what actually works in real gardens and pots. Whether you’re growing tomatoes, houseplants, or a blooming balcony oasis, we’ll help you feed your plants the right way—without the guesswork.
Miracle-Gro Tropical Houseplant Food – Liquid Fertilizer for Tropical Houseplants
Tropical Leaf Thrive
- Best for indoor boost pack: Miracle-Gro Indoor Plant Food
- Best for plant-based power: Miracle-Gro Organic Plant Food
- Best for versatile liquid feed: Miracle-GRO 1001502 Liquid All Purpose Plant Food Concentrate
- Best for organic duo deal: Miracle-Gro Organic Plant Food
- Best for mess-free concentrate: 4 Pack Liquafeed Refills All Purpose Fertilizer
- Best for pre-measured simplicity: Miracle-Gro Pour & Feed Singles Ready-To-Use Liquid Plant Food – Pre-Measured Liquid Plant Fertilizer for Potted Plants
- Best for quick-feed powder: Miracle-Gro Water Soluble All Purpose Plant Food
- Best for broad spectrum boost: Miracle-Gro Water Soluble All Purpose Plant Food
- Best for tropical leaf thrive: Miracle-Gro Tropical Houseplant Food – Liquid Fertilizer for Tropical Houseplants
- Best for starter kit convenience: Miracle-Gro LiquaFeed All Purpose Plant Food Advance Starter Kit
Product Comparison: Best Miracle Gro Liquid Plant Food Directions
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 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
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 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
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 Pour & Feed Singles Ready-To-Use Liquid Plant Food – Pre-Measured Liquid Plant Fertilizer for Potted Plants, 2 oz. Singles
- Easy to use! No mixing, no measuring and no storage required
- Use each pre-measured single to feed every 10-14 days
- Designed to feed your 12 to 18-inch pot
- Makes feeding your plants easy!
- For use on different potted plant types
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
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 Tropical Houseplant Food – Liquid Fertilizer for Tropical Houseplants, 8 fl. oz., 2-Pack
- Feed your tropical plants with Miracle-Gro Tropical Houseplant Food to promote lush foliage
- Formulated with micronutrients including magnesium, manganese, copper, iron, and zinc
- Starts feeding instantly
- Apply once per week while watering during the spring and summer months
- Safe for all tropical plants, including spider plants, ZZ plants, snake plants, croton, pothos, monstera, fiddle-leaf figs, and more
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
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 key differences between the indoor‑specific Miracle‑Gro Liquid Plant Food and the all‑purpose liquid concentrates?
The indoor‑specific product is pre‑diluted and delivered in small 8 oz bottles, using a pump‑per‑pot method for precise feeding of houseplants. All‑purpose concentrates, like the 12‑4‑8 formula, require dilution in a watering can and are sold in larger 32 oz containers, making them more economical for garden use. Choose the indoor version for convenience and small‑pot accuracy, and the concentrate for larger outdoor beds or multiple containers.
Is the organic Miracle‑Gro Plant Food worth the higher price compared to the conventional liquid formulas?
The organic line is made from 94 % plant‑based ingredients and is marketed for environmentally‑friendly gardening, which can justify a premium for eco‑conscious shoppers. Performance‑wise, it feeds instantly and supports resilient growth, similar to conventional formulas, but you’ll need to dilute more water to create the same nutrient strength. If you value organic certification and reduced synthetic chemicals, the extra cost may be worthwhile.
How do the pre‑measured Pour & Feed singles compare to the pump bottles in terms of ease of use and waste?
Pour & Feed singles are ready‑to‑use packets that eliminate mixing and measuring, ideal for quick, repeat feeding of 12‑18 inch pots every 10‑14 days. Pump bottles require you to measure pumps per pot size, which offers more flexibility for varying pot volumes but involves a small learning curve. Both reduce storage space, but the singles generate more packaging waste than the reusable pump bottles.
Can I use the same Miracle‑Gro product for both indoor houseplants and outdoor garden beds?
While many Miracle‑Gro formulas are labeled for all plant types, the indoor‑specific liquid food is optimized for container soils and smaller pots, making it less cost‑effective for large garden beds. All‑purpose concentrates and the LiquaFeed system are designed for both indoor and outdoor use, allowing you to dilute to the appropriate strength for each setting. For the best value, match the product’s intended application size with your planting needs.
What should I look for in the NPK ratio when choosing a Miracle‑Gro fertilizer?
NPK ratios indicate the balance of nitrogen (growth), phosphorus (root development), and potassium (overall health). The 12‑4‑8 concentrate provides a higher nitrogen level for leafy growth, suitable for foliage plants, while the 24‑8‑16 formula offers a broader nutrient mix ideal for fruiting or flowering plants. Select a ratio that aligns with your plant’s growth stage and desired outcome.
Is the LiquaFeed feeder system more cost‑effective than buying liquid fertilizer bottles separately?
The LiquaFeed starter kit includes a hose‑attached feeder and a 16 oz bottle that feeds up to 400 sq ft, reducing the need for manual mixing and minimizing fertilizer waste. When compared to buying pre‑diluted bottles, the feeder’s concentrate typically offers a lower cost per square foot of coverage. However, you’ll need to purchase compatible LiquaFeed bottles for refills, so consider long‑term availability.
How often should I reapply Miracle‑Gro liquid foods for indoor versus outdoor plants?
Indoor plants generally benefit from feeding every 7‑14 days, using the pump or pre‑measured singles, to maintain steady nutrient levels in confined soil. Outdoor garden plants can be re‑applied every 2‑3 weeks, depending on weather and growth speed, especially when using diluted concentrates. Adjust frequency based on visible plant health and follow label recommendations for each specific product.