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    Organic Fertilizer

  • All-Purpose Fertilizer, 25 Lbs.
    $39.95
     (239)
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    Ever notice how container-grown plants seem to flourish early in the season, then start to fade by midsummer? That’s because most fertilizers are used up or leach away within the first month. Our Gardener's Supply All-Purpose Organic Fertilizer is a slow-release, 5-5-5 granular organic fertilizer that gives plants balanced nutrients for vigorous root growth and improved water penetration all season long.

  • Organic Tomato Fertilizer, 5 Lbs.
    $14.95
     (786)
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    Our slow-release granular fertilizer (5-6-5) gives your tomatoes all the nutrients they need, including plenty of phosphorus for big, abundant fruit. For a healthy start, mix a handful into the soil at transplant time and then side dress when tomatoes begin to set fruit. Also ideal for peppers and eggplant. Contains peanut meal.

  • Gardener’s Best® Flower Fertilizer, 5 lbs.
    $39.95
     (35)
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    Treat your flowers to our 100% organic slow-release fertilizer. It's rich in phosphorus (5-7-4) to promote strong root growth and healthier, more drought-resistant plants for prolific, long-lasting blooms.

  • Gardener’s Best® Organic Tomato Fertilizer, 24 Oz.
    $12.95
     (145)
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    Grow your best tomatoes ever with our organic, 8-5-5 fertilizer fortified with 4-1/2% calcium. Calcium helps prevent blossom end rot, a common tomato disorder. Use the entire 1-1/2-pound bag in your Tomato Success Kit, or apply 4 to 5 tablespoons per plant in your garden.

  • Espoma Indoor! Plant Food
    $11.95
     (3)
    More Details It's easy to overlook the fact that houseplants need a consistent supply of nutrients to thrive. Fortunately, this liquid fertilizer concentrate makes feeding them so easy! The bottle even pre-measures the dose for you. Simply close the lid, turn the bottle upside down, and then right-side up. Flip the lid open, pour the contents of the Easy Dose cap into your watering can, and add 1 quart of lukewarm water. The blend is enhanced with ...
  • Greensand 0-1-6 Fertilizer, 5 Lbs.
    $12.95
     (135)
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    Fertilize your roses with greensand to prolong their blooms next year. Roses and other flowers thrive on greensand because it supplies marine potash, silica, iron oxide, magnesia, lime, phosphoric acid and 22 trace minerals. It's also a boon for tomato lovers, because it has the vitamins and minerals that tomato plants need to produce abundant, intensely flavored fruit.

  • Berry Fertilizer
    $9.95
     (32)
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    Provide your berry plants with all of the nutrients they need and look forward to your biggest, tastiest and best harvest. This organic fertilizer is ideal for in-ground garden beds as well as raised beds and containers. All-natural fertilizer provides a long-lasting, slow-release supply of nutrients. This 100% organic formula helps improve soil health and won't burn roots.

  • Energy Buttons, 5 Lbs.
    $19.95
     (219)
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    Give your garden a boost with the powerful nourishment of aged manure without the hassles. Simply sprinkle these fertilizer pellets right from the pail for slow-release energy. Rich in nitrogen, phosphorous, potash and calcium, they're great for vegetable plants and container gardens.

  • Espoma Cactus! Plant Food
    $11.95
    More Details All plants, including water-thrifty cactus and succulents, need a consistent supply of nutrients to thrive. Fortunately, this liquid fertilizer concentrate makes feeding them so easy! Simply close the lid, turn the bottle upside down, and then right-side up. Flip the lid open, pour the contents of the Easy Dose cap into your watering can, and add 1 quart of lukewarm water. This special formula is enhanced with kelp extracts, humic acids, and a proprietary set ...
  • Dirty Dozen Starter Kit, pack of 9-pts and 3-6oz
    $136.00
    More Details The Dirty Dozen® is a force to be reckoned with! Twelve of these fiercest warriors will get your garden into the spotlight. The Dirty Dozen® Starter Pack contains nine 1-pint liquid fertilizers: Kangaroots®, Microbe Brew®, Bembé®, Sledgehammer®, Flowers Kiss®, Boomerang®, Big Bloom®, Tiger Bloom®, & Grow Big® and three 6-ounce solubles: Open Sesame®, Beastie Bloomz®, & Cha Ching®. Kangaroots: Kangaroots® is a liquid root drench formulation for use on in-ground plantings, container gardens ...
  • Soil Acidifier, 6 Lbs.
    $14.95
     (10)
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    Applying organic, elemental garden sulfur is a safe and effective way to lower soil pH. Sulfur is also an important soil nutrient for promoting disease resistance.

  • Kelp Meal, 4 Lbs.
    $29.95
     (21)
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    Kelp Meal is a centuries-old solution used by gardeners to build rich, healthy soil. The finest, all-natural seaweed is harvested from the nutrient-rich waters of the Atlantic and dried into a powerhouse meal for plants.

  • Blossom Set Spray, 8 Oz.
    $7.95
     (103)
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    Get a bigger tomato harvest and enjoy your first fruits up to three weeks earlier! Blossom Set Spray helps blossoms set fruit, even in poor weather. The resulting tomatoes will be meatier and have fewer seeds, too. This ready-to-use spray also works for beans, cucumbers, eggplants, melons, okra, peppers, strawberries and grapes. Contains kinetin, a natural plant growth hormone.

  • Nutrient Trio-Soil Formula, 3 qts
    $69.95
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    Use these liquid fertilizers in sequence for brilliant blooms and luscious fruit all season long. Start with Grow Big® for growth. Switch to Tiger Bloom® at the first sign of bud development. Use Big Bloom® throughout growing cycles to heal root systems and increase nutrient cycling. Ideal for mature, late-season flowers and fruit.

  • Raised Bed Booster Compost Mix Kit
    $26.95
     (152)
    More Details Soil health is directly related to growing success. Because organic matter and nutrient levels get depleted over a season, it's important to feed your soil periodically. By bundling our exclusive Booster Mix (compost plus a bevy of organic nutrients) and an easy-apply shaker of our organic All-Purpose Fertilizer 5-5-5 together, we've simplified the process of feeding your garden. Give your veggies, herbs, and flowers the best possible foundation — and reap the rewards all season ...
  • BioBizz Bio-Grow 1L
    $159.00
    More Details Bio-Grow Liquid Organic Plant Food is a liquid fertilizer appli­cable to most types of soil and substrate mixtures. Bio-Grow activates the sub­strates' bacterial flora due to its base of 100% Dutch organic sugar beet extract, commonly known as molasses. Bio-Grow contains 70 trace elements and vitamins B1, B2, C, and E but low phosphate content (phosphates are considered harmful to the body and to the environment). Nitrogen (N)3 - Phosphorus (P)0 -Potassium (K)8
  • Container Booster Compost Mix, 6 Qts.
    $11.95
     (599)
    More Details Why throw out the soil in last year's containers? Our organic Booster Mix replaces the nutrients that the plants used up, so this year's plants get a fresh start. One bag is enough to revitalize 96 dry quarts of soil — at big savings for you! This potent, all-organic formula includes a complete diet of nutrients and trace elements to keep plants lush and healthy. Just 4 to 8 tablespoons recharges a quart of soil. ...
  • BioBizz Bio-Bloom 5L
    $159.00
     (1)
    More Details Bio-Bloom Liquid Organic Plant Food is a complete liquid organic fertilizer containing a small amount of naturally occurring minerals such as nitrogen and enough phosphorus and potassium to ensure exuberant flowering and fruit settings. Bio-Bloom also works in harmony with the soil to promote flowering and fruit production. Use Bio-Bloom with soil, soilless, or fortified coco as a complete fertilizer from the beginning of fruit or flower production until harvest. Nitrogen (N)1 - Phosphorus ...
  • Elevated Garden Booster Compost Mix Kit
    $26.95
     (25)
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    Recharge the soil and replenish the nutrients in your elevated gardens to promote healthy growth all season long. Kit includes two 6-quart bags of Booster Mix (compost, Chilean nitrate, black rock phosphate and other organic nutrients) and a 1 pound shaker of our organic All-Purpose Fertilizer (5-5-5). Recharges 148 quarts of soil.

  • Container Recharge Compost Mix Kit
    $15.95
     (21)
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    Get plants off to their best start by boosting soil health with long-lasting nutrients that promote vigorous growth all season long. Kit includes one 6-quart bag of Booster Mix (compost, Chilean nitrate, black rock phosphate and other organic nutrients) and a 1-pound shaker of our organic All-Purpose Fertilizer (5-5-5). Recharges 75 quarts of soil.

  • Fort Vee™ Compost-Based Potting Mix
    $24.95
     (34)
    More Details Growing your veggies in organic soil not only makes you feel good, but it's also better for you! This Fort Vee™ mix is a great choice for gardeners who prefer a compost-based germination and growing medium. Specially designed for soil blocks, trays, and pots, it'll boost the nutrient, mineral, and antioxidant levels of your crops. It's also a fantastic choice for those "heavy feeders" — plants that require more nutrients than others. In addition to ...
  • Bu’s Brew Biodynamic Compost Tea Bags
    $17.95
     (4)
    More Details If you're a tea drinker, you know how satisfying and refreshing a 'cuppa' can be. Your plants will feel the same way once you brew them up a batch of this magical elixir. Each of the four single-use tea bags will make up to 5 gallons of microbially-rich tea ready for use as a foliar feed, transplant shock reducer, root stimulant, soil drench or compost inoculant. It'll restore soil vitality and supports plants' immune systems. ...
  • Espoma Cactus Potting Mix, 4 quart
    $7.95
     (13)
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    This lightweight, peat-based mix is enhanced with Myco-tone, a special type of soil microbe that supports roots to enhance plant growth and reduce drought stress. It also contains nutrient-rich worm castings and sand, as well as limestone to adjust pH. Use it for new plants, and when you're repotting plants annually to freshen their roots' growing environment.

  • Bu’s House Biodynamic Houseplant Compost Tea Bags
    $17.95
     (1)
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    If you're a tea drinker, you know how satisfying and refreshing a 'cuppa' can be. Treat your plants to the same benefits and brew up a batch of this magical elixir for them. Each of the four single-use bags makes up to 5 gallons of tea to stimulate root growth, adds more soluble nutrients and trace minerals to the soil, supports plants' immune systems, and enhances nutrient availability.

  • Dial Sprayer
    $18.95
     (9)
    More Details Quickly and easily apply water-soluble fertilizers and pest controls to lawns, gardens, shrubs and trees without complicated calculations or messy pre-mixing. Simply fill the bottle with concentrate and set the dial to one of twelve dilution rates. You can also choose from three spray patterns: gentle shower for flowers, vegetables, shrubs and roses; straight stream for trees and tall shrubs; and flat spray for lawns. An easy-on, easy-off thumb switch and insulated handle with ergonomic ...