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Gardener's Supply

Organic Fertilizer

 
Garden Shop > Organic Fertilizer
       
       
GSC Organic Tomato Fertilizericon   GSC Organic Tomato Fertilizericon

"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 side dress when tomatoes begin to set fruit.

• Provides all necessary nutrients and phosphorus for big, abundant fruit
• Provides balanced, slow release nutrients without the risk of burning roots
• Conditions soil for vigorous root growth and better water penetration
• Use during transplanting and again as a side dress
• Also available in a convenient 1 lb. shaker canister!

Specifications at a Glance:
• Contains vegetable or animal protein meal, peanut meal, natural nitrate of soda, natural sulfate of potash/magnesia
• Slow release (5-6-5) granular fertilizer
• Low analysis - no risk of burn
• 1 lb. treats 40 square feet; 5 lbs. treats 200 square feet
• Includes scatter diagram for heavy or light applications
• Gardener's Supply Exclusive"

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All-Purpose Fertilizericon  

All-Purpose Fertilizericon

"Ever notice how container-grown plants seem to flourish early in the season, then fade by midsummer? That’s because most fertilizers are used up or leech away within a month.

Our slow-release, 5-5-5 granular fertilizer gives plants balanced nutrients for vigorous root growth and improved water penetration all season long.

Contains naturally occurring minerals, peanut meal and animal or vegetable meal.

• Guaranteed not to burn roots.
• Conditions soil for more vigorous root growth and improved water penetration
• Earth-friendly – 100% organic
• Now also available in a convenient 1-lb shaker can!

Specifications at a Glance:
• 5 lbs. treat 200 sq ft.
• N-P-K: 5-5-5
• Granular form is easy to spread
• Gardener's Supply Exclusive"

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Energy Buttonsicon   Energy Buttons, 5 Lbsicon

"Give your garden the powerful nourishment of manure without the hassles.

Simply sprinkle these pellets right from the pail for a slow-release energy boost.

Rich in nitrogen, phosphorous, potash and calcium, they're great for vegetable plants and container gardens.

• Earth-friendly – 100% Organic
• Easy to use.

Specifications at a Glance:
• 5 lb. container
• NPK analysis is 3-4-3
• Made in USA
• Gardener's Supply Exclusive "

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Root Shield, 4 Ozicon   Root Shield, 4 Oz. icon

"Harmful soil fungi like pythium and fusarium cause root diseases that can devastate the most promising plants.

Our all-organic Root Shield forms a defensive barrier right from the start.

This university-tested beneficial fungus forms a symbiotic bond with plant roots, protecting them from soil pathogens all season long.

Add it to potting soil or mix with water to use as a drench.

• Protects plants from damping off disease
• Defends tomatoes, squash, melons and more

Specifications at a Glance:
• Three tablespoons mixed with 1 gallon of water protects 25 feet of garden row (approx. 100 sq. ft.)
• Active ingredient: Beneficial fungus (Trichoderma harzianum Rifai strain KRL-AG2 1.15%)"

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Kelp Mealicon   Kelp Meal, 4 Lbs.icon

"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.

• More than 60 minerals and elements, amino acids, carbohydrates and essential plant hormones
• Revitalizes stale garden soil

Specifications at a Glance:
• 4 lb. bag
• Covers approx 125 sq. ft."

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Garden Limeicon   Garden Lime, 5 Lbs.icon

"Stunted growth and yellowed leaves can indicate your soil is too acidic for plants to absorb the nutrients they need for healthy growth.

Adding lime will bring pH levels into a more neutral range.

• Top-quality garden lime
• Reacts quickly, yet gently
• Pelletized for easy application
• Test your soil pH before you apply

Specifications at a Glance:
• 5 lb. bag
• Covers approximately 100 square feet, depending on soil pH"

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Garden Sulphuricon   Garden Sulphur, 5 Lbs.icon

"Applying organic, elemental garden sulphur is a safe and effective way to lower soil pH.

Sulphur is also an important soil nutrient for promoting disease resistance.

• Brings out blue color in hydrangeas, greens up azaleas and rhododendrons, and helps produce luscious blueberries
• All-natural, chemical free and low in salts—plants won't 'burn'
• Use pH Soil Tester to test your soil before applying the Garden Sulphur
• 5 lb. bag"

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Greensandicon   Greensand, 5 Lbs.icon

"Fertilize your roses with Greensand to prolong their bloom 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.

• Improves plant health
• Loosens heavy clay soil
• Earth-friendly and 100% organic

Specifications at a Glance:
• Apply 2-4 lbs per 100 sq ft
• N-P-K: 0-1-6
• Gardener's Supply Exclusive"

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    Related Items:

Potting Soil and Mixes

Plant Supports for Flowers

Pots and Planters
 
       
       
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