Fertilizer How To – What Do the Numbers on a Fertilizer Bag Mean? What Fertilizer to Choose?
How to Choose Fertilizer Based on Fertilizer Numbers?
Caution: Your choice in fertilizer will depend largely on your objective, geography, climate and circumstance. Choosing the wrong fertilizer or applying fertilizer under the wrong conditions may damage your lawn, garden or plants.
What Fertilizer to Choose?
With fertilizer numbers and the soil test in mind, here are HowtoGardenLawn.com‘s fertilizer recommendations, including some common fertilizer numbers :
New Lawn or After Overseeding: Starter lawn fertilizer high in phosphorus – e.g., 10-18-10 (Scotts Turf Builder Starter Food for New Grass Plus Weed Preventer)
Mature Lawn: Lawn fertilizer high in nitrogen and low in phosphorus – e.g., 30-0-3 (Scotts Turf Builder Lawn Food) or if you want a dummy-proof, organic fertilizer choose Milorganite (Organic NON-burning fertilizer)
Fall/Autumn Lawn Fertilizing Before Winter: Lawn fertilizer high in nitrogen, low in phosphorus, and medium in potassium – e.g., 32-0-10 (Scotts Turf Builder Winterguard, 15,000 ft. coverage)
General Plant Growth: General plant fertilizer – e.g., 4-4-4 (Jobe’s Organics All Purpose Fertilizer with Biozome, 4-4-4 Organic Fast Acting Granular Fertilizer for All Plants, 4 pound bag)
Super Bloom Plant Growth: Plant bloom booster – e.g., 10-30-20 (J R Peters Inc 51024 Jacks Classic No.1.5 10-30-20 Blossom Booster Fertilizer)
Tomato or Vegetable Garden: e.g., Miracle-Gro 3002610 Shake ‘N Feed Tomato, Fruits and Vegetables
Potted Flowers or Flower Garden: e.g., Miracle-Gro 3001910 Shake ‘N Feed All Purpose Continuous Release Plant Food
For Evergreens or other trees: Try a fertilizer stakes or spikes. e.g., Miracle-Gro Fertilizer Spikes for Evergreens
How to Fertilize?
How to apply fertilizer on lawn has been covered in our post: How to Fertilize Lawn? When to Fertilize? DIY Fertilizer FAQ’s
Clear as mud? Hope the fertilizer infographic and how to choose fertilizer information helped! Let us know if you have any further fertilizing questions.