Fertilizer adds essential nutrients to the soil that promote the growth and health of plants. Boxwood shrubs need a fertilizer that is high in nitrogen, phosphorus, and potassium. A good fertilizer for boxwood shrubs should also have a low salt index to avoid damaging the roots.
20 Best Fertilizer For Boxwood Shrubs
Product Image | Product Name | Features | Price |
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FoxFarm Grow Big Liquid Concentrate Fertilizer – 16 fl oz bottle |
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Miracle-Gro Garden Soil, Tree & Shrub, 1.5-Cu. ft. |
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Miracle-Gro – Shake 'N Feed Citrus, Avocado & Mango Plant Food, 8 lbs. |
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Advanced Nutrients – pH Perfect Grow 1 L |
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Jobe's Fruit & Citrus Fertilizer Spikes |
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Osmocote Plus Plant Food, Smart-Release, Outdoor & Indoor – 2 lb |
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Milorganite 32 lb. Slow-Release Nitrogen Fertilizer |
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Coast of Maine 1P Penobscot Blend Complete Planting Mix, 30 lbs |
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Miracle-Gro Shake 'N Feed Rose & Bloom Plant Food | 1 lbs |
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Miracle-Gro Rose Plant Food – 1.5 lb box |
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Espoma RT4 Rose Tone Food, 4 lb |
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Jobes Tomato Fertilizer Spikes, 18 Spikes |
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Miracle Gro Shake 'n Feed Plant Food, All Purpose, Continuous Release – 4.5 lb |
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Scotts Company Miracle Gro Shake'n Feed Palm Food – 8 lb bag |
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- Organic-based concentrate made up of a comprehensive blend of major; minor; and micro nutrients
- Grow Big was designed to promote spectacular growth
- Fortified with phosphorus and iron
- Moisture Control protects against over- or under-watering
- Feeds up to 3 months
- Contains added potassium, magnesium, sulfur and iron to help improve Common nutrient deficiencies.
- Use on new or existing in-ground citrus, avocado and mango trees.
- Contains the world-famous Advanced Nutrients pH Perfect technology. This technology eliminates the need to check and adjust pH levels.
- The formula feeds the slow-release roots throughout the season.
- Easy to use, no mixing or measurement needed.
- No waste by flow, no damage, no danger or odor.
- Fortified with 11 essential nutrients
- Works with virtually all plant varieties, in all growing conditions
- Feeds up to 6 full months
- Eco-friendly
- Slow Release, feeds up to 3 months
- Aids in root development
- Suitable for conditioning annuals, perennials, gardens and shrubs and trees.
- Smooth blend of salmon and blueberry compost.
- Plant food for growing roses and other flowering plants in-ground and in containers
- Nourishes above and below the soil for up to 3 months
- Formulated to grow beautiful roses
- For ever-blooming & repeat-blooming varieties
- Works instantly for quick, beautiful results
- A complete plant food with all 15 essential nutrients
- Recommended by professional rosarians for prize winning blooms
- Complex blend of natural organics provide complete and balanced feeding of all 15 nutrients
- Formulated with micronutrients to help plants grow strong
- For all flowers, vegetables, trees, shrubs and houseplants
- Feeds up to 3 months
- Contains magnesium, iron and manganese to help prevent yellowing and curling of fronds.
- Grows lush palms and ixora.
- Feeds up to 3 months.
1. FoxFarm Tiger Bloom Liquid Fertilizer 1 Pint
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Details | |
Fertilizer Analysis | 02-08-04 |
Organic | Yes |
Container Size | 1 pt. |
Product Type | Fertilizer |
Brand Name | FoxFarm |
2. FoxFarm Grow Big Liquid Concentrate Fertilizer – 16 fl oz bottle
- Organic-based concentrate made up of a comprehensive blend of major; minor; and micro nutrients
- Grow Big was designed to promote spectacular growth
- Growers find it optimal for roses; tomatoes; veggies; flowers; fruits; herbs; and lawns
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Details | |
Organic | Yes |
Product Type | Liquid Plant Food Concentrate |
For Supplemental Foliar | 1/2 tsp/gal |
For General Feeding | 2-3 tsp/gal |
Container Size | 1 pt. |
Brand Name | FoxFarm |
3. Miracle-Gro Garden Soil, Tree & Shrub, 1.5-Cu. ft.
- Fortified with phosphorus and iron
- Moisture Control protects against over- or under-watering
- Feeds up to 3 months
- Builds strong roots
- For in-ground use only
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Product Type | Garden Soil |
Organic | No |
Ideal for Growing | Shrub and Tree |
Fertilizer Analysis (N-P-K) | 0.09 – 0.07 – 0.05 |
Feed Duration | Up to 3 Months |
Bag Capacity/Dry Volume | 1.5 cu ft |
Brand Name | Miracle-Gro |
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4. Miracle-Gro – Shake ‘N Feed Citrus, Avocado & Mango Plant Food, 8 lbs.
- Contains added potassium, magnesium, sulfur and iron to help improve Common nutrient deficiencies.
- Use on new or existing in-ground citrus, avocado and mango trees.
- Feeds up to 3 months.
- Will not to burn when used as directed.
- Takes the guesswork out of feeding!
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Assembled Product Weight | 8.475 lb |
Assembled Product Dimensions (L x W x H) | 4.25 x 7.00 x 13.50 Inches |
5. Advanced Nutrients – pH Perfect Grow 1 L
- Contains the world-famous Advanced Nutrients pH Perfect technology. This technology eliminates the need to check and adjust pH levels.
- The chelates added to pH Perfect Grow Micro Bloom ensure your plants receive the maximum amount of nutrients in the least amount of time.
- Improves the size, color, aroma, and the potency of your crops.
- Gives you a faster, more productive growth cycle.
- The amino acids, humic and fulvic acid facilitate better chelation and pH buffering.
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Product Dimensions | 4.17 x 2.48 x 7.91 inches |
Package length | 7.9″ |
Package width | 4.6″ |
Package height | 2.4″ |
6. Jobe’s Fruit & Citrus Fertilizer Spikes
- The formula feeds the slow-release roots throughout the season.
- Easy to use, no mixing or measurement needed.
- No waste by flow, no damage, no danger or odor.
- Available in several sizes.
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Specifications
Details | |
Can Be Used On Edibles | Yes |
Organic | No |
Potassium (K) Content (Percentage) | 11 |
Application Type | Spikes |
Lowe’s Exclusive | No |
Phosphorus Content (Percentage) | 11 |
Fertilizer Type | Continuous release |
Natural | No |
Primary Usage | Fruit and citrus fertilizer spikes |
Concentrated | No |
OMRI Listed | Yes |
For Plant Type | Citrus; avocado and mango trees |
Feed Duration | Up to 2 months |
Applicator Included | Yes |
Nitrogen (N) Content (Percentage) | 8 |
7. Osmocote Plus Plant Food, Smart-Release, Outdoor & Indoor – 2 lb
- Fortified with 11 essential nutrients
- Works with virtually all plant varieties, in all growing conditions
- Feeds up to 6 full months
- Apply with confidence to potted plants, indoors or outdoors
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Units in Package | 1 |
Unit Size | 2 lb |
Directions | Directions For Use: Sprinkle: 1 capful (1 capful = 3 tablespoons) per 2 gal. pot or 4 sq. ft. Mix into top 1-3 in. of soil. water regularly. Reapply every 6 months. 1/2 outdoor rate for indoors. |
Ingredients | ., Derived From: Polymer-Coated: Ammonium Nitrate, Ammonium Phosphate, Potassium Sulfate, Magnesium Sulfate, Sodium Borate, Iron Phosphate, Iron EDTA, Manganese Sulfate, Sodium Molybdate, Zinc Sulfate, Copper Sulfate, and Zinc Oxide. |
Warnings | This fertilizer contains molybdenum (Mo). The application of fertilizer materials containing molybdenum (Mo) may result in forage crops containing levels of molybdenum (Mo) which are toxic to ruminant animals. Keep out of reach of children. |
8. Jobes Granular Fruit and Citrus Fertilizer Spikes – 15 pack
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Weight | 5.25 oz |
9. Milorganite 32 lb. Slow-Release Nitrogen Fertilizer
- Eco-friendly
- Slow Release, feeds up to 3 months
- Aids in root development
- Contains non-staining iron
- Fertilizer Analysis is 6-4-0
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Assembled Product Weight | 33.000 oz |
Assembled Product Dimensions (L x W x H) | 14.00 x 8.00 x 18.00 Inches |
10. Coast of Maine 1P Penobscot Blend Complete Planting Mix, 30 lbs
- Suitable for conditioning annuals, perennials, gardens and shrubs and trees.
- Smooth blend of salmon and blueberry compost.
- Mussel shell fragments aerate the soil.
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Coast of Maine |
Product Details
Specifications
Details | |
Item is Shipped at this Packaging Level | N |
Information Effective Date | 2015-09-18 |
Packaging Depth | 6 IN |
Packaging Height | 30 IN |
Packaging Width | 18 IN |
Package Weight | 30 |
Package Weight UOM | LB |
Net Packaged Quantity | 1 BG |
Bag Capacity (Measured By Dry Volume) | Cubic Feet |
Bag Size | 1 |
Coverage Area | 12 ft² |
Coverage Area Material Depth (in) | 1 in |
Organic | Yes |
Mulch and Soil Council Certified | No |
Premium Or Commodity Designation | Premium |
Weight | 30 lbs |
Reviews From Real Customers
11. Miracle-Gro Shake ‘N Feed Rose & Bloom Plant Food | 1 lbs
- Plant food for growing roses and other flowering plants in-ground and in containers
- Nourishes above and below the soil for up to 3 months
- For best results, shake evenly onto dry soil, mix it in, then water to start feeding
- Feeds up to 33 sq. ft. , or approximately 6 rose bushes
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Details | |
Product Form | Granules |
Organic | No |
Product Type | Plant Food |
Plant Type | Rose & Bloom |
Fertilizer Analysis (N-P-K) | 10-18-9 |
Container Size | 1 lb |
Coverage Area | 33 sq ft |
Application Frequency | 3 Months |
Concentrated | No |
Brand Name | Miracle-Gro |
12. Miracle-Gro Rose Plant Food – 1.5 lb box
- Formulated to grow beautiful roses
- For ever-blooming & repeat-blooming varieties
- Works instantly for quick, beautiful results
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Plant Type | Flowers |
Product Form | Powder |
Season Use | Multi-Season |
Product Type | Plant Food |
Concentrated | No |
Fertilizer Analysis (N-P-K) | 18-24-16 |
Container Size | 1.5 lb |
Coverage Area | 600 sq ft |
Plant Name | Rose |
Active Ingredient | Potassium Phosphate |
Time Release | Fast-Release |
Brand Name | Miracle-Gro |
13. Espoma RT4 Rose Tone Food, 4 lb
- A complete plant food with all 15 essential nutrients
- Recommended by professional rosarians for prize winning blooms
- Complex blend of natural organics provide complete and balanced feeding of all 15 nutrients
- Environmentally safe
- No sludges, hazardous or toxic ingredients
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Details | |
Brand Name | Espoma |
Organic | Yes |
Product Type | Plant Food |
Plant Type | Roses and Flowering Shrubs |
Concentrated | No |
Fertilizer Analysis (N-P-K) | 4-3-2 |
Time Release | Slow Release |
Container Size | 4 lb |
Coverage Area | 80 sq ft |
Application Frequency | Monthly |
Product Form | Granules |
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14. Miracle-Gro Liquafeed All Purpose Plant Food – 4 pack, 16 oz bottles
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Product Form | Liquid |
Concentrated | Yes |
Fertilizer Analysis (N-P-K) | 12-4-8 |
Plant Type | Flowers |
Product Type | All Purpose Plant Food |
Number in Package | 4 pk |
Container Size | 16 oz |
Application Frequency | 2 Weeks |
Brand Name | Miracle-Gro |
15. Miracle-Gro Watering Can Singles All Purpose Water Soluble Plant Food, Includes …
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Package Dimensions | 9.5 x 7.6 x 2.0 inches |
Binding | Lawn & Patio |
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16. Jobes Tomato Fertilizer Spikes, 18 Spikes
- condition: New
- Style: Tomato
- Brand: Jobes
- Size: 18 Spikes
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17. Miracle Gro Shake ‘n Feed Plant Food, All Purpose, Continuous Release – 4.5 lb
- Formulated with micronutrients to help plants grow strong
- For all flowers, vegetables, trees, shrubs and houseplants
- Feeds up to 3 months
- Prevents overfeeding or burning when used as directed
- Use on indoor or outdoor plants
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Units in Package | 1 |
Unit Size | 4.5 lb |
Directions | Remove inner seal before first use. 1. Shake plant food evenly onto soil (apply dry, do not pre-mix with water). Use the illustration as a guide (approx 1 tablespoon per square foot). 2. For best results, work into top 1-3 inches of soil or mulch, then water to start the feeding process. For a Beautiful Garden All Season Long: Water regularly. Reapply every 3 months. For potted plants, use Miracle-Gro Water Soluble All Purpose Plant Food. |
Ingredients | 10-10-10 Guaranteed Analysis: Total Nitrogen (N) (The Nitrogen, Phosphate and Potassium Sources Have Been Coated to Provide 7.0% Coated Slow Release Nitrogen [N], 7.0% Coated Slow Release Phosphate [P2O5] and 7.0% Coated Slow Release Potassium [K2O]), Available Phosphate (P2O5) (The Nitrogen, Phosphate and Potassium Sources Have Been Coated to Provide 7.0% Coated Slow Release Nitrogen [N], 7.0% Coated Slow Release Phosphate [P2O5] and 7.0% Coated Slow Release Potassium [K2O]) (10.0%), Soluble Potash (K2O) The Nitrogen, Phosphate and Potassium Sources Have Been Coated to Provide 7.0% Coated Slow Release Nitrogen [N], 7.0% Coated Slow Release Phosphate [P2O5] and 7.0% Coated Slow Release Potassium [K2O]) (10%), Sulfur (S) (Total) (20.0%) (Combined Sulfur [S] [4.0%]) (Free Sulfur [S] [16.0%]). Derived from Polymer-Coated, Sulfur-Coated, Ammonium Sulfate, Ammonium Phosphate and Potassium Chloride. |
Warnings | Keep out of reach of children. |
18. Milorganite Nitrogen Fertilizer
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Weight | 37 lb |
19. Scotts Company Miracle Gro Shake’n Feed Palm Food – 8 lb bag
- Contains magnesium, iron and manganese to help prevent yellowing and curling of fronds.
- Grows lush palms and ixora.
- Feeds up to 3 months.
- Prevents overfeeding or burning when used as directed.
- Takes the Guesswork Out of Feeding!
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Details | |
OMRI Listed | No |
Concentrated | No |
Can Be Used On Edibles | No |
Feed Duration | Up to 3 months |
Primary Usage | Palm food |
Applicator Included | Yes |
Application Type | Granules |
Lowe’s Exclusive | No |
Natural | No |
For Plant Type | Palm trees |
Fertilizer Type | Continuous release |
Phosphorus Content (Percentage) | 8.0 |
Organic | No |
Nitrogen (N) Content (Percentage) | 8.0 |
Potassium (K) Content (Percentage) | 8.0 |
20. Westland 20600010 Fish/Blood and Bone All Purpose Plant Food
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Product Genre/Category | Home & Garden |
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Conclusion
Fertilizer is not typically necessary for boxwood shrubs, as they are relatively low-maintenance plants. However, if you notice that your boxwood shrubs are not looking as healthy as they should be, you may want to consider fertilizing them.
The best time to fertilize boxwood shrubs is in early spring, before new growth begins. When choosing a fertilizer, look for one that is specifically designed for boxwood shrubs. Apply the fertilizer according to the instructions on the package.