Top 8 Plant Food Spikes Outdoor – Garden Fertilizers

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1. Miracle-Gro

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

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Miracle-Gro #ad - Feed once per season in Spring and Fall. Contains natural ingredients. Easy-to-use spikes release nutrients directly into the root zone to help promote strong trees and shrubs. Promotes vibrant color and lush foliage. Also great for use on evergreens and acid loving plants.
BrandMiracle-Gro #ad
ManufacturerMiracle-Gro #ad
Height2.13 Inches
Length8.75 Inches
Width5.5 Inches
Part Number4851012
Model485101205

2. Jobe's

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Multicolor, 1 Pack, Jobe's 05231T Flowering Plant Fertilizer Spikes 10-10-4

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Jobe's #ad - Item package Weight: 07 lb. Item package dimensions: 1. 6" l x 102" w x 24. 4" h. Model number: 100046759. Country of Origin: United States.
BrandJobe's #ad
ManufacturerJobe's #ad
Height2 Inches
Length25 Inches
Weight0.01 Pounds
Width10.3 Inches
Part Number05231T
Model05231T

3. Jobe's

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Jobe’s 06105, Fertilizer Spikes, 18 Spikes, For Potted Plants & Hanging Baskets

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Jobe's #ad - Pre-measured fertilizer spikes nourishes at the roots; Time release fertilizer for flower baskets and potted plants. Easy to use fertilizer spikes; No wasteful runoff, no mess, hazards or smells. Apply every 8 weeks; guaranteed fertilizer analysis: 8-9-12 18 spikes in waterproof, resealable pouch. Jobe’s spikes feeds for 2 months; Provides flowers with continuous slow-release nourishment at their roots. Continuous supply of nutrients below the surface, where the active roots are growing.
BrandJobe's #ad
ManufacturerJobe's #ad
Height1 Inches
Length1 Inches
Weight0.25 Pounds
Width1 Inches
Part Number6105
Model06105

4. Miracle-Gro

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Continuous Feeding for all Flowering and Foliage Houseplants, Miracle-Gro Indoor Plant Food Spikes, Includes 24 Spikes, NPK 6-12-6

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Miracle-Gro #ad - Houseplant fertilizer spikes feed continuously for up to 2 months. Indoor plant care made simple; enjoy vibrant potted plants in your home, office or business. Plant food spikes are filled with the micronutrients that indoor plants need. When used as directed, plant food spikes are safe to use on all indoor, potted plants. Easy-to-use fertilizer for all indoor plants including ferns, spider plants, pothos, and croton.
BrandMiracle-Gro #ad
ManufacturerScotts #ad
Height6 Inches
Length0.75 Inches
Weight0.07 Pounds
Width4.5 Inches
Part Number1002521
Model1002522
WarrantyMiracle-Gro No-Quibble Guarantee

5. Jobe's

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Brown, 50, Jobe's 06028 Fertilizer Spikes Vegetable and Tomato

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Jobe's #ad - No mess easy to use spikes; prevents waste and run-off; Guaranteed analysis: 2-7-4 50 spikes in resealable bag. Organic fertilizer spikes; Time release fertilizer; Pre-measured to provide plants with nourishment at their roots. Jobe’s biozome improves soil conditions, insects, helps resist disease, and drought during the growing season. Contains jobe’s biozome…the proprietary microorganism archaea that aggressively breaks down material for faster results. Omri listed for organic gardening by USDA; Certified organic means no synthetic chemicals.
BrandJobe's #ad
ManufacturerJobe's #ad
Height2.5 Inches
Length9 Inches
Weight0.2 Pounds
Width6 Inches
Part Number6028
Model06028
WarrantyJobe’s Organics  fertilizers are guaranteed not to burn when used as directed. Jobe’s, Jobe’s Organics and Biozome are registered trademarks of Easy Gardener Products, Inc.

6. Jobe's

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Jobe’s Fertilizer Spikes for Flowering Plants, 50 Spikes per Package 2 Pack, 10-10-4 Time Release Fertilizer

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Jobe's #ad - Spikes provide a continuous supply of important nutrients right at the roots, where plants need it most. Feeds slowly and safely. Keeping your flowering houseplants healthy and fertilized is easier than ever with Jobe's Flowering Plant Food Spikes. Effective feeding for 60 days.
BrandJobe's #ad
ManufacturerJobe's #ad
Part Number4336441365

7. Jobe's

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14 Ounces, Includes 15 Spikes, Brown, Jobe's 01660 Fertilizer Tree & Shrubs

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Jobe's #ad - Continuous supply of nutrients below the surface, where the active roots are growing. Jibe's tree spikes are easy to insert around each tree's drip line, and the slow-release formula feeds all season. Analysis: 16-4-4 5 spikes, 15-3-3 9 spikes, 16-14-4 15 spikes, 160 spikes. Easy to use fertilizer spikes; no wasteful runoff, no mess, hazards or smells; apply early spring and late fall. Pre-measured fertilizer spikes nourishes at the roots; time release fertilizer for all trees and shrubs.
BrandJobe's #ad
ManufacturerJobe's #ad
Height2.5 Inches
Length6.5 Inches
Weight0.88 Pounds
Width9.5 Inches
Part Number01660
Model01660

8. Jobe's

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15, Jobe's 01661 Fertilizer Spikes Evergreen, Brown

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Jobe's #ad - Jobe’s fertilizer spikes are easy to insert around each tree’s drip-line; Slow release formula lasts all season. Continuous supply of nutrients below the surface, where the tree's active roots are growing. Fertilizer analysis: 13-3-4 5 spikes, 11-3-4 9 spikes, 13-3-4 15 spikes, 13-3-4 160 spikes. Pre-measured evergreen fertilizer spikes nourishes at the roots; Time release fertilizer for Junipers, Spruces and other evergreen trees. Easy to use fertilizer spikes; No wasteful runoff, no mess, hazards or smells; Apply early spring and late fall.
BrandJobe's #ad
ManufacturerJobe's #ad
Height2.75 Inches
Length6.5 Inches
Weight0.88 Pounds
Width9.5 Inches
Part Number01661
Model01661