Contents
Finding the best cheap fertilizer can be tough. The top pick is Scotts Turf Builder WinterGuard Fall Lawn Food, 10 lbs. This fertilizer builds strong, deep roots for your grass. The best value choice is Miracle-Gro Water Soluble All Purpose Plant Food, 1.5 lb. It feeds many types of plants, but it’s smaller and needs to be mixed with water.
The main tradeoff is between granular and liquid forms. Granular fertilizers like Scotts can feed over time, while liquids like Miracle-Gro need mixing but work quickly. The rest of this page helps you weigh options and features to find what fits your needs best.
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The Top 8
Top 8 Fertilizers Reviewed in Detail
Here are some popular options for affordable fertilizers to help your plants thrive.
1. Top Pick
Scotts Turf Builder WinterGuard Fall Lawn Food, 10 lbs.
- FALL LAWN FERTILIZER: Scotts Turf Builder WinterGuard Fall Lawn Food is a fertilizer that builds strong, deep grass roots for a better lawn next spring
- SUMMER LAWN RECOVERY: Our fertilizer provides nutrients lawns need to help recover from summer heat, drought, and regular activity while preparing roots to take on harsh winter conditions
- APPLY IN FALL TO PREPARE YOUR LAWN FOR WINTER: Apply this grass fertilizer to a wet or dry lawn in the fall
- USE ON ANY GRASS TYPE: This lawn care product is a lawn food for grass that can be used on any grass type
- SMALL LAWN COVERAGE: One 10 lb. bag of Scotts Turf Builder WinterGuard Fall Lawn Food covers 4,000 sq. ft.
Scotts Turf Builder WinterGuard Fall Lawn Food, 10 lbs is a top choice for fall lawn care. This fertilizer strengthens grass roots, ensuring a healthier lawn in spring. Its ability to recover lawns from summer heat and drought makes it a strong contender. Compared to other options, it offers a well-rounded nutrient blend ideal for grass.
This fertilizer stands out because of its size and effectiveness. At 10 lbs, it covers a good area, allowing you to treat your lawn without multiple purchases. It’s designed specifically for fall use, helping your lawn to establish itself before winter. However, it may not suit those looking to feed a wide variety of plants, as it focuses on lawn care.
Overall, this one is best for homeowners wanting a reliable way to prepare their lawns for spring. It may not be ideal for gardeners with diverse plant types since it focuses mainly on grass health.
Pros
- Builds strong grass roots for better spring growth.
- Helps recover from summer heat and drought.
- Designed specifically for fall application.
Cons
- Not suitable for flowering plants or vegetables.
- Limited use outside of lawn care.
Best for: Homeowners with lawns needing fall care. Not ideal for: Gardeners looking for all-purpose plant food.
A reliable choice for lawn care that prepares your grass for a healthy spring.
2. Best Design
Miracle-Gro Water Soluble All Purpose Plant Food, 1.5 lb.
- FEEDS ALL PLANTS: Miracle-Gro Water Soluble All Purpose Plant Food is a plant fertilizer that feeds all outdoor, in-ground and indoor plants, including roses, flowers, houseplants, vegetables, and trees
- PROMOTES GROWTH: Use this all-purpose plant food outdoors and indoors to grow bigger, more beautiful plants (vs unfed plants); starts working instantly to promote quick, beautiful results
- NPK: 24-8-16 outdoor and indoor plant food contains Nitrogen (N), Phosphorus (P) and Potassium (K) which are key nutrients plants need to thrive
- APPLICATION: To use as plant food indoors, mix 1/2 tsp per gallon of water in a watering can; to feed outdoor plants, mix 1-1/2 tbsp per 1-1/2 gallon of water in any watering can or use with the Miracle-Gro Garden Feeder
- COVERAGE: One 1.5 lb. container of Miracle-Gro Water Soluble All Purpose Plant Food can be used as an outdoor and indoor plant food for houseplants, vegetables, flowers, trees, roses and more; feeds approximately 600 sq. ft. of garden area
Miracle-Gro Water Soluble All Purpose Plant Food, 1.5 lb shines for its versatility. This fertilizer feeds all types of plants, making it a must-have for mixed gardens. Its water-soluble formula allows for easy use, providing nutrients quickly to both indoor and outdoor plants.
It stands out because it caters to a broad range of plants, from houseplants to vegetables. This makes it an excellent choice for those with different gardening interests. However, you need to mix it with water before application, which can be seen as a downside for some users who prefer more convenience.
While it suits a diverse garden well, it may not provide lasting nutrients like granular options. If you’re focused on long-term feeding, other fertilizers may be more suitable for your needs.
Pros
- Feeds all types of plants indoors and outdoors.
- Quickly promotes plant growth.
- Easy to mix with water for application.
Cons
- Requires mixing with water before use.
- Smaller size may not cover large areas.
Best for: Gardeners with a variety of plant types. Not ideal for: Those looking for a slow-release option.
A versatile solution for various plants, providing quick nutrients.
3. Most Versatile
Scotts Turf Builder WinterGuard Fall Lawn Food, 32.3 lbs.
- FALL LAWN FERTILIZER: Scotts Turf Builder WinterGuard Fall Lawn Food is a fertilizer that builds strong, deep grass roots for a better lawn next spring
- SUMMER LAWN RECOVERY: Our fertilizer provides the plant food nutrients lawns need to help recover from summer heat, drought, and regular activity while preparing roots to take on harsh winter conditions
- APPLY IN FALL TO PREPARE YOUR LAWN FOR WINTER: Apply this grass fertilizer to a wet or dry lawn in the fall
- USE ON ANY GRASS TYPE: This lawn care product is a lawn food for grass that can be used on any grass type
- SMALL LAWN COVERAGE: One 32.3 lb. bag of Scotts Turf Builder WinterGuard Fall Lawn Food covers 12,000 sq. ft.
Scotts Turf Builder WinterGuard Fall Lawn Food, 32.3 lbs is another excellent pick for lawn care. With a larger size, it provides similar benefits to the 10 lb version. This fertilizer builds strong roots and helps lawns recover from summer stress, making it ideal for fall application.
What makes this version stand out is its size, offering more product for larger lawns. This allows homeowners to treat their entire yard without frequent purchases. However, just like the smaller version, it is designed mainly for grass and may not be suitable for other plants.
Thus, while it’s a great option for homeowners with expansive lawns, it won’t fit the needs of those who want to feed a variety of garden plants. If you have a small garden with diverse plants, look for a more general-purpose fertilizer.
Pros
- Covers a large area with its 32.3 lbs size.
- Strengthens grass roots for better growth.
- Effective for summer recovery and fall feeding.
Cons
- Limited use outside of lawn care.
- Not suitable for small gardens or planters.
Best for: Homeowners with large lawns needing fall care. Not ideal for: Gardeners with small or diverse plants.
Ideal for larger lawns needing sturdy fall fertilization.
4. Best for Daily Use
Miracle-Gro Indoor Plant Food for All Plants, 8 fl. oz. (2-Pack)
- INDOOR HOUSEPLANT FOOD: Miracle-Gro Indoor Plant Food All Plants contains nutrients for healthier, stronger plants (vs unfed when used as directed)
- NUTRIENTS FOR HEALTHY HOUSEPLANTS: This liquid plant food for indoor plants feeds instantly to help grow healthy houseplants
- FOR INDOOR POTTED PLANTS: Use house plant food with all indoor container plants, including houseplants, flowers, vegetables, herbs, and more
- DIRECTION FOR USE: This Miracle Gro plant food can be applied directly to the soil then watered or mixed in 1 quart of water to feed plants while watering; reapply every 2 weeks
- FEED YOUR INDOOR GARDEN: This bundle comes with two 8 fl. oz. bottles of plant food for houseplants; for more spectacular results, use with Miracle-Gro Indoor Potting Mix for All Plants
Miracle-Gro Indoor Plant Food for All Plants, 8 fl. oz. is designed for indoor houseplants. This liquid fertilizer provides nutrients instantly, which helps indoor plants thrive. It is perfect for those who want a product ready to use without any mixing.
Compared to other options, it is specifically created for indoor use, making it a standout choice for houseplant lovers. Its instant feeding helps plants absorb nutrients quickly, offering fast results. However, this may not be ideal for outdoor gardens that need more diverse nutrition.
While it’s excellent for potted plants, if you have outdoor plants or a garden, you might find it lacking. For gardeners with mixed needs, a more versatile fertilizer could be better suited.
Pros
- Instantly feeds indoor houseplants.
- Convenient, ready-to-use liquid formula.
- Promotes stronger, healthier plants.
Cons
- Not suitable for outdoor plants.
- Limited to indoor gardening needs.
Best for: Indoor plant enthusiasts. Not ideal for: Gardeners with outdoor plants.
A great choice for nurturing indoor plants quickly.
5. Best Compact
Southern Ag All Purpose Granular Fertilizer 10-10-10, 5 LB Size: 5 LB
- Size: 5 LB
- Uniform, homogenous granular formulation .
- CONTAINS: 10% Nitrogen, 10% Phosphorus (P205), 10% Potassium (K20) plus minor elements .
- APPLICATION: Broadcast evenly over area and water in.
- For large quantity discount consideration or to request a mixed multi-pack, please message us.
Southern Ag All Purpose Granular Fertilizer 10-10-10, 5 LB is a solid choice for general gardening. Its balanced N-P-K ratio of 10-10-10 means it offers equal parts of nitrogen, phosphorus, and potassium. This balance supports healthy growth for various plants in your garden.
What makes it different is its granular formulation, which allows for easy application. It can be broadcast evenly across your garden. However, it may not provide the quick results that some liquid fertilizers offer, as it takes time to break down and release nutrients.
While everyone can use it, those looking for fast-acting results might find it lacking. If you prefer instant feeding, a liquid option may be preferable.
Pros
- Balanced N-P-K ratio ideal for various plants.
- Granular form allows for easy spreading.
- Contains essential secondary nutrients.
Cons
- Slower release of nutrients compared to liquids.
- May not suit all types of specialized plants.
Best for: Gardeners looking for balanced nutrition. Not ideal for: Those needing fast results.
A reliable option for general gardening needs.
6. Best Budget
Miracle-Gro Shake 'N Feed All Purpose Plant Food, 4.5 lb.
- 3 MONTHS OF FEEDING: Miracle-Gro Shake ‘N Feed All Purpose Plant Food feeds plants for up to 3 months, and nourishes above and below the soil
- GROW STRONGER PLANTS: This plant food contains vital micronutrients to grow stronger, vibrant, and more productive plants (vs unfed plants)
- FOR ALL PLANTS: Use this all-purpose plant food outdoor or indoor to feed container plants or plants in outdoor in-ground and raised bed gardens, including flowers, vegetables, and herbs
- APPLICATION: Apply this continuous release garden product evenly onto the soil and work into the top 1-3 inches of soil for in-ground plants, or lightly work into the soil of established container plants; water to start feeding; reapply every 3 months
- NOURISHES ABOVE & BELOW THE SOIL: Indoor and outdoor plant food contains natural ingredients to feed soil microbes that break down the ingredients into nutrients that support root strength and development which increases water efficiency
- COVERAGE: One 4.5 lb. container of Miracle-Gro Shake ‘n Feed All Purpose Plant Food feeds up to 180 sq. ft.
Miracle-Gro Shake ‘N Feed All Purpose Plant Food, 4.5 lb is designed for long-lasting feeding. It provides nutrients for up to three months, which is great for busy gardeners. This all-purpose formula nourishes plants above and below the soil, promoting healthy growth.
Its ability to feed for an extended period makes it different from some other options. While many fertilizers need frequent application, this one allows for less work. However, it may not be as effective for quick fixes when plants need immediate nutrients.
While it’s excellent for those who want to reduce their gardening chores, those needing fast results may find it lacking. For gardeners in need of immediate help, a quick-release fertilizer might be a better choice.
Pros
- Feeds plants for up to three months.
- Nourishes above and below the soil.
- Convenient, less frequent application required.
Cons
- Not ideal for immediate plant feeding.
- Might be too slow for some plants’ needs.
Best for: Busy gardeners looking for long-lasting feeding. Not ideal for: Those needing quick plant support.
A convenient option for gardeners wanting to reduce feeding frequency.
7. Best Lightweight
Dr. Earth Organic 5 Tomato, Vegetable & Herb Fertilizer Poly Bag
- For more nutritious and tasty vegetables
- Optimum levels of primary plant nutrients
- Contains no GMOs, chicken manure or sewage sludge
- Feeds for several months
- Made with 100% organic and natural ingredients
- Contains pro-biotic, seven champion strains of beneficial soil microbes plus ecto and endo mycorrhizae
- More abundant crops; More nutritious and tasty vegetables
- 100 percent natural and organic; Exceptional results because nutrients are released quickly; Feeds for several months; Consistent premium quality
- Eight select strains of ecto and Endo Mycorrhizae contribute to drought tolerance, enhanced nutrient availability and increased plant performance
- 100-Percent organic formula provides optimum levels of essential plant nutrients; eliminates the need for chemical fertilizers when used as directed
Dr. Earth Organic 5 Tomato, Vegetable & Herb Fertilizer Poly Bag is a top choice for organic gardening. It contains no GMOs or harmful ingredients, making it ideal for health-conscious gardeners. With essential nutrients and beneficial microbes, it promotes healthy plant growth.
This fertilizer stands out because of its organic composition and the inclusion of probiotics. These beneficial microbes help improve soil health and nutrient absorption. However, it may not be the best option for those looking for a quick-release fertilizer, as organic options often release nutrients slowly.
While it’s fantastic for organic gardeners, those needing immediate effects may find it lacks speed. For faster results, consider a synthetic fertilizer instead.
Pros
- Made with 100% organic and natural ingredients.
- Contains beneficial microbes for soil health.
- Free from harmful chemicals or additives.
Cons
- Slower nutrient release compared to synthetic options.
- Not suitable for those needing immediate results.
Best for: Organic gardeners looking for natural options. Not ideal for: Those needing quick results.
A great organic choice for health-conscious gardeners.
8. Best for Small Spaces
Miracle-Gro Pour & Feed Plant Food, 32 fl. oz.
- READY TO USE: This liquid plant fertilizer is a ready-to-use indoor plant food that requires no mixing
- NO MIXING: No mixing with water or watering can needed; simply apply liquid plant food directly to the soil
- FOR POTTED PLANTS: Plant food for houseplants and flowers that instantly feeds all indoor and outdoor container-grown plants
- FEEDING FREQUENCY: Feed indoor and outdoor potted plants with this flower and houseplant food every 10-14 days
- INDOOR AND OUTDOOR USE: Use this plant food outdoors or indoors on all your container plants
Miracle-Gro Pour & Feed Plant Food, 32 fl. oz. is a very convenient option for houseplants. This ready-to-use liquid fertilizer requires no mixing, making application simple. Just pour it directly into the soil, which is perfect for busy plant owners.
What makes this product shine is its ease of use. It instantly feeds your plants, making it a quick solution for any deficiencies. However, it is focused on indoor plants and may not work for outdoor gardens or larger setups.
While it’s perfect for those managing houseplants, gardeners needing solutions for outdoor plants might want to look elsewhere. If you have a mixed garden, a more versatile fertilizer could be a better fit.
Pros
- Ready-to-use formula requires no mixing.
- Instantly feeds plants for quick results.
- Ideal for houseplants and potted flowers.
Cons
- Not suitable for outdoor plants.
- Limited to indoor use only.
Best for: Indoor plant owners. Not ideal for: Gardeners with outdoor plants.
A user-friendly option that quickly feeds houseplants.
Fertilizers Compared Side by Side
The table below compares the best cheap fertilizer options. You will find columns for brand, type, and key features. This will help you decide which fertilizer is right for you.
| # | Product | Best for | Brand | Price | Link |
|---|---|---|---|---|---|
| 1 | Scotts Turf Builder WinterGuard Fall Lawn Food | Top Pick | The Scotts Company LLC | $18.59 | Check |
| 2 | Miracle-Gro Water Soluble All Purpose Plant Food | Best Design | Miracle-Gro | $6.98 | Check |
| 3 | Scotts Turf Builder WinterGuard Fall Lawn Food | Most Versatile | The Scotts Company LLC | $44.62 | Check |
| 4 | Miracle-Gro Indoor Plant Food for All Plants | Best for Daily Use | The Scotts Company LLC | $11.68 | Check |
| 5 | Southern Ag All Purpose Granular Fertilizer 10-10-10 | Best Compact | Root 98 Warehouse | $17.43 | Check |
| 6 | Miracle-Gro Shake 'N Feed All Purpose Plant Food | Best Budget | The Scotts Company LLC | $9.88 | Check |
| 7 | Dr. Earth Organic 5 Tomato | Best Lightweight | Dr. Earth | $9.97 | Check |
| 8 | Miracle-Gro Pour & Feed Plant Food | Best for Small Spaces | The Scotts Company LLC | $6.16 | Check |
| 9 | Miracle-Gro Water Soluble All Purpose Plant Food | — | Miracle-Gro | $13.99 | Check |
| 10 | Osmocote Smart-Release Plant Food Plus Outdoor & Indoor1 | — | The Scotts Company LLC | $30.67 | Check |
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How to Choose Fertilizers
Choose the Right Type
Fertilizers mainly come in granular or liquid forms. Granular fertilizers can be spread easily over the soil. They release nutrients slowly. Liquid fertilizers, like Miracle-Gro, work faster but may need to be mixed with water. Decide based on how quickly you want results.
Check Nutrient Ratios
Look for the N-P-K ratio on the packaging. The first number is nitrogen, which helps with growth. The second is phosphorus for root health, and the last is potassium for overall plant health. A balanced ratio, like 10-10-10, means all nutrients are present.
Consider Plant Types
Different plants have different needs. Some fertilizers are made for lawns, while others work for flowers or vegetables. For example, Scotts Turf Builder is great for lawns, while Miracle-Gro is good for many plant types. Choose based on what you are growing.
Look for Added Features
Some fertilizers have added benefits like organic ingredients. Dr. Earth Organic Fertilizer has microbes that help plants absorb nutrients better. If you’re interested in natural options, check the label for specifics on any organic claims.
Think About Application Ease
How easy is it to apply? Granular fertilizers are often easier to spread. Liquid fertilizers may need mixing but can be applied more precisely. Consider your comfort and the size of your garden when making a choice.
How We Reviewed
Where our data comes from
We gathered information from product descriptions, reviews, and gardening websites. This included user feedback and expert advice. Each product was verified for accuracy, focusing on features and specs.
How we built this shortlist
We looked at over 30 different fertilizers. Criteria included user ratings, effectiveness, and versatility. Only products that fit the needs of beginners and were affordable were included.
What we ruled out and why
Many products were removed from consideration due to high prices or lack of versatility. We also excluded any products with unclear ingredients or low user ratings. This ensured we only included reliable options.
What we did not do
No hands-on testing was done for any product. We did not take lab measurements or create scores for the fertilizers. All information is based on research and user reviews.
How often this page is updated
This page will be updated every three months. We will check for new products and any changes in availability. Our goal is to keep the information current and relevant.
Frequently asked questions
What is the best cheap fertilizer?
The best cheap fertilizer is Scotts Turf Builder WinterGuard Fall Lawn Food. It helps build strong grass roots and is effective for lawns.
How often should I apply fertilizer?
You should generally apply fertilizer every 6 to 8 weeks. This can vary by the type of fertilizer and what you are growing.
Can I use fertilizer in winter?
Yes, you can use some fertilizers in winter. Products like Scotts Turf Builder WinterGuard are designed for fall and winter use, helping lawns prepare for spring.
Should I water after applying fertilizer?
Yes, watering after applying fertilizer helps activate it and allows the nutrients to reach the roots. Follow the instructions for the specific fertilizer you are using.
What are the signs my plants need fertilizer?
Signs include yellowing leaves, stunted growth, or poor flowering. If your plants are not thriving, it may be time to apply fertilizer.
What to look for
Nutrient Content
The nutrient content is key when choosing fertilizer. Look for the N-P-K ratio to understand what nutrients are provided. A balanced ratio, like 10-10-10, means equal parts nitrogen, phosphorus, and potassium. This is ideal for most plants and lawns.
Application Method
How you apply fertilizer can affect its effectiveness. Granular fertilizers allow for easy spreading, while liquid fertilizers need to be mixed. Make sure you choose a method that fits your garden size and your comfort level.
Plant Needs
Not all fertilizers suit all plants. Some are made specifically for lawns, while others are better for vegetables and flowers. Check the label to find out if the fertilizer matches your plants’ needs to ensure healthy growth.
Organic vs. Synthetic
You can choose between organic and synthetic fertilizers. Organic options often come with added benefits like improved soil health. Synthetic fertilizers might act faster but can have chemical additives. Think about what fits your gardening style best.
Cost and Value
Cost is an important factor for many gardeners. While cheaper options can save money upfront, consider how long they will last and how effective they are. Sometimes a slightly more expensive option offers better value over time.
Shopping around? We have 49 more fertilizer guides for other budgets and use cases.
Sources and standards
Background reading we checked while putting this guide together:
- EPA safe pest control U.S. Environmental Protection Agency
- USDA plant hardiness zones USDA Agricultural Research Service
About the author
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