12 Best Flower Fertilizers 2023 – Best Fertilizers for Flower Beds
<p>Not only do your garden beds need a boost of fertilizer, but flowers in <a href=”https://www.thepioneerwoman.com/home-lifestyle/gardening/g36083491/best-planters-and-containers/”>planters or containers</a> also need to be regularly fertilized, because watering causes nutrients in these plants to leach out of the soil more quickly. There are several different fertilizer application methods to try, including slow-release granular formulas that you mix into the soil, spikes you insert near the root zone, and water soluble liquids to add to your watering can. Many organic fertilizers are available, but you’ll want to be careful: The term “organic” <a href=”https://www.omri.org/what-we-do” target=”_blank”>is not regulated for fertilizers</a>, so just about anyone can put it on the label. If organic is important to you, however, look for products with the <a href=”https://www.omri.org/” target=”_blank”>Organic Materials Review Institute (OMRI)</a> seal. It’s an independent nonprofit organization that certifies which products are compliant with USDA organic farming standards. </p><p>Now that you’re fully informed, read on for our top fertilizer picks for every type of bloom!<br></p>” />
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Miracle-Gro Water Soluble Flower Food
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Miracle-Gro Water Soluble Flower Food
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Credit: Amazon
This powdered 15-30-15 formula has plenty of phosphate to ensure strong flower growth. It’s easy to mix into your watering can and use every one to two weeks. Plus, it has no odor—which is great if you have nosy pets that are attracted to the scent of organic fertilizers. You can use it for both annuals and perennials.
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Dr. Earth Root Zone Starter Fertilizer
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Dr. Earth Root Zone Starter Fertilizer
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Give seedlings a boost when you set them in the garden with this starter fertilizer. Its NPK ratio of 2-4-2 will help promote strong root development for baby plants. Use it for flowers as well as vegetables, potted plants, trees, and shrubs. Plus, it’s safe for pets!
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Jobe’s Organics Rose & Flower Fertilizer
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Jobe’s Organics Rose & Flower Fertilizer
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Credit: Amazon
This granular fertilizer with a NPK ratio of 3-4-3 is ideal for both roses and other flowers. It’s OMRI listed and contains beneficial soil bacteria as well. Apply at planting to promote root growth and disease resistance and then every six weeks after.
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Osmocote Smart-Release Plant Food
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Osmocote Smart-Release Plant Food
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This slow-release granular formula lasts up to six months, so you won’t need to fuss with it every week. Its NPK ratio of 15-9-12 will ensure fast, lush growth. Use it indoors and outdoors for hundreds of plant species! It’s also easy to sprinkle around existing plants with a handy pre-measured scoop.
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FoxFarm Happy Frog All Purpose Fertilizer
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FoxFarm Happy Frog All Purpose Fertilizer
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Don’t want to buy separate fertilizers for all your plants? This organic all-purpose granular fertilizer has active soil microbes and a NPK ratio of 6-4-5. It’s a good general fertilizer for everything from plants that are edible like vegetables to those that are ornamental, both annual and perennial.
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Worm Castings Organic Fertilizer
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Worm Castings Organic Fertilizer
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While not exactly a fertilizer, worm castings can be beneficial to your planting beds. It’s actually the digested “soil” produced by worm farming! The NPK ratio is 1-0-0, but they also contain micronutrients and beneficial microbes, and they improve drainage and soil structure. They have a mild, earthy scent that’s not overwhelming, and you only need to use a handful at a time.
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Neptune’s Harvest Fish and Seaweed Fertilizer
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Neptune’s Harvest Fish and Seaweed Fertilizer
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Credit: Amazon
This fertilizer has a NPK 2-3-1 ratio and is made from fish and seaweed to give your flowers (and veggies, fruit, and grass!) a gentle organic boost. It’s also listed for OMRI use. Mix this liquid into your watering can for quick results. But be aware it smells strongly of fish! Some curious pets may be attracted to the smell until it settles after a day or two.
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Espoma Flower-Tone Plant Food
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Espoma Flower-Tone Plant Food
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This granular extended release formula is mixed into the soil or sprinkled around existing plants like hanging baskets. It contains a gentle NPK 3-4-5 formula as well as beneficial microbes to improve soil health. Some pets will be attracted by the initial odor, so be careful when you apply it!
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Burpee Organic Rose and Bloom Granular Plant Food
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Burpee Organic Rose and Bloom Granular Plant Food
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Formulated specifically to keep your roses and other flowers happy, this organic fertilizer is great for container gardens, flower beds, and bushes. The NPK 4-6-4 ratio feeds plants immediately, then lasts for up to three months. This organic granular formula is OMRI listed and helps promote root development and more colorful blooms.
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Schultz Liquid Fertilizer
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Schultz Liquid Fertilizer
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Add this liquid NPK 10-15-10 fertilizer to your watering can for a super-fast jolt of nutrients! The dropper makes it so easy to measure out the correct amount (seven drops per quart of water) without making a mess. It’s great for indoor and outdoor flowers, as well as veggies, fruit, trees, and shrubs.
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Neptune’s Harvest Rose and Flowering Formula
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Neptune’s Harvest Rose and Flowering Formula
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Credit: Amazon
This liquid organic fertilizer is OMRI listed and contains a NPK ratio of 2-6-4. The increased phosphorus of this formula will help boost your flowers’ blooms and help them survive if your area is susceptible to drought. There’s also a mild odor that fades quickly.
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Scotts Super Bloom Water Soluble Plant Food
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Scotts Super Bloom Water Soluble Plant Food
Credit: Amazon
With a NPK ratio of 12-55-6, this is some of the most powerful flower food on the market. Give your flowering plants a super-charged boost of this every one to two weeks. Just make sure to follow the instructions as listed so you don’t burn your blooms.
Arricca Elin SanSone has written about health and lifestyle topics for Prevention, Country Living, Woman’s Day, and more. She’s passionate about gardening, baking, reading, and spending time with the people and dogs she loves.
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