Best Fertilizer For Outdoor Plants In July 2025

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There is always a perfect Best Fertilizer For Outdoor Plants out there in the market for you. However, you may not have the time and resources to try and research each of them in detail. So we’ve done the heavy lifting and are sharing below our detailed review of Top 10 Best Fertilizer For Outdoor Plants.

To help you in your search, we have completed this list of the Best Fertilizer For Outdoor Plants.

Top Rated Best Fertilizer For Outdoor Plants Of 2025

Rank	Product Name	Score
1	Miracle-Gro Tree & Shrub Plant Food Spikes, 12 Spikes/Pack Buy Now	9.7 Buy Now
2	Miracle-Gro Garden Feeder with 1-Pound Miracle-Gro All Purpose Plant Food Buy Now	9.5 Buy Now
3	Miracle-Gro Shake 'N Feed All Purpose Plant Food, 4.5 lb Buy Now	9.1 Buy Now
4	Jobe's Organics All Purpose Fertilizer Spikes, 50 Spikes Buy Now	8.8 Buy Now
5	Miracle-Gro Water Soluble All Purpose Plant Food, 10 lb Buy Now	8.6 Buy Now
6	Scotts Super Bloom Water Soluble Plant Food, 2 lb - NPK 12-55-6 Buy Now	8.3 Buy Now
7	Osmocote Smart-Release Plant Food Plus Outdoor & Indoor, 1 lb Buy Now	8.1 Buy Now
8	Miracle-Gro Performance Organics All Purpose Plant Nutrition Granules, 2.5 lb. - All-Purpose Plant Buy Now	7.8 Buy Now
9	Dr. Earth 703P Organic 4 Azalea/Camellia/Rhododendron Acid Fertilizer in Poly Bag, 4-Pound Buy Now	7.5 Buy Now
10	Osmocote 274850 Smart-Release Plant Food Plus Outdoor & Indoor, 8 lbs Buy Now	7.2 Buy Now

1. Miracle-Gro Tree & Shrub Plant Food Spikes, 12 Spikes/Pack

• Contains natural ingredients
• Easy-to-use spikes release nutrients directly into the root zone to help promote strong trees and shrubs
• Feed once per season in spring and fall
• Promotes vibrant color and lush foliage
• Also great for use on evergreens and acid loving plants

2. Miracle-Gro Garden Feeder with 1-Pound Miracle-Gro All Purpose Plant Food

• Includes 1 lb. of miracle-gro water soluble all purpose plant food
• Trigger lock for one-handed feeding
• Feed every 1-2 weeks for best results
• Features three spray patterns: shower, jet and flat
• For all outdoor plants including flowers, vegetables, trees and shrubs

3. Miracle-Gro Shake 'N Feed All Purpose Plant Food, 4.5 lb

• Contains natural ingredients that help feed and nourish above and below the soil
• Contains vital micronutrients to grow stronger, vibrant and more productive plants versus unfed plants
• Full of essential nutrients that help feed and nourish above and below the soil
• Guaranteed not to burn when used as directed
• For use in ground and in containers, feeds up to 3 months

4. Jobe's Organics All Purpose Fertilizer Spikes, 50 Spikes

• Contains jobes biozomethe proprietary microorganism archaea that aggressively breaks down material for faster results
• No mess easy to use spikes, prevents waste and run-off, guaranteed analysis: (4-4-4) 50 spikes in resealable bag
• Organic fertilizer spikes, time release fertilizer, pre-measured to provide plants with nourishment at their roots
• Omri listed for organic gardening by usda, certified organic means no synthetic chemicals
• Jobes biozome improves soil conditions, helps resist disease, insects, and drought during the growing season

5. Miracle-Gro Water Soluble All Purpose Plant Food, 10 lb

• Use with the miracle gro garden feeder or any watering can
• For all flowers, vegetables, trees, shrubs and houseplants
• Full of essential nutrients, it instantly feeds to grow bigger, more beautiful plants versus unfed plants
• Safe for all plants, guaranteed not to burn when used as directed
• Feed every 1 to 2 weeks

6. Scotts Super Bloom Water Soluble Plant Food, 2 lb - NPK 12-55-6

• Feed every 1-2 weeks for best results
• Water-soluble plant food feeds plants instantly
• For outdoor flowers, fruiting plants, containers and bed areas
• Contains high phosphorus to help plants bloom
• Won't burn your plants when used as directed

7. Osmocote Smart-Release Plant Food Plus Outdoor & Indoor, 1 lb

• Our best formula, fortified with 11 essential nutrients
• Apply with confidence to potted plants, indoors or outdoors
• Works with virtually all plant varieties, in all growing conditions
• Feeds up to 6 full months
• No-burn pledge when used as directed

8. Miracle-Gro Performance Organics All Purpose Plant Nutrition Granules, 2.5 lb. - All-Purpose Plant

• Enjoy miracle-gro results with organic, all natural ingredients
• The shaker jug makes feeding in-ground and container plants easy
• In as little as 7 days you'll start to see results (vs unfed plants)
• Reapply every 4-6 weeks and water regularly for best results
• Use miracle-gro performance organics all purpose plant nutrition granules to feed your plants, flowers, vegetables, and herbs

9. Dr. Earth 703P Organic 4 Azalea/Camellia/Rhododendron Acid Fertilizer in Poly Bag, 4-Pound

• Exceptional results because nutrients are released quickly, feeds for several months
• Contains pro-biotic, seven champion strains of beneficial soil microbes plus ecto and endo mycorrhizae
• Available in a 4lb size
• People and pets safe when used as directed
• 100-percent organic formula provides optimum levels of essential plant nutrients, eliminates the need for chemical fertilizers when used as directed
• Provides continuous feed for several months

10. Osmocote 274850 Smart-Release Plant Food Plus Outdoor & Indoor, 8 lbs

• Works with virtually all plant varieties, in all growing conditions
• Apply with confidence to potted plants, indoors or outdoors
• Our best formula, fortified with 11 essential nutrients
• No-burn pledge when used as directed
• Feeds up to 6 full months