Soils & Fertilizers

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Soils & Fertilizers FAQs

Can I use the same soil from last year?
First, if the level of soil has dropped, top if off by adding fresh potting mix. Ideally, the soil comes to within an inch or so of the rim of the planter or raised bed. Use a fork or hand tool to blend the new soil into the old soil. Next, recharge it. Measure the square footage of your raised bed or pot to figure out how much of the two "secret ingredients" you need for your bed. Use 1/4 cup per square foot of Gardener's Supply Organic Fertilizer and use 3 cups per square foot of Booster Mix (an organic compost mix). Sprinkle the granular fertilizer and booster mix onto the soil surface and use a hoe or cultivating tool to incorporate the ingredients into the top few inches of soil.
What's the difference between organic and regular potting mix?
Our Organic Potting Mix includes bio-blended compost so plants can sink their roots into living soil packed with microbes, fungi, and nutrients that they need for robust growth -- just as Mother Nature intended. Bio-blended compost -- along with coir, peat, and volcanic perlite -- provide natural structure, allowing in plenty of air and providing a superior balance of moisture drainage and retention.
SuperRoot Mycorrhizae helps plants fight off diseases and better absorb water and nutrients. If you prefer organic soils with naturally derived nutrients, your plants will reward you with outstanding growth in the Organic Potting Mix. Our regular Potting Mix is a top-choice economical blend of SuperRoot Mycorrhizae, coir, peat, perlite, starter nutrients, limestone for improving nutrient intake, and a natural wetting agent to manage moisture. It offers everything that your plants need to thrive. With the regular application of organic fertilizer, your plants will reach for the sky in our regular potting mix.
What is the difference between compost and fertilizer?
Compost is a growing medium made from organic materials, such as food scraps, manures, and yard debris. It has been broken down by billions of microbes, invertebrates (bugs, worms, etc.), and fungi to yield a rich blend of material that, when mixed in with soil, provides long-lasting structure, nutrients, microbial allies, and moisture control that your plants need to thrive.
Fertilizer is an additive that provides an essential nutrient boost for your plants. Organic fertilizers, made from is made of naturally occurring mineral deposits and organic material, can improve soil texture, stimulate soil life, and improve your soil's long-term fertility. Synthetic fertilizers are made by chemically processing raw materials and give plants a quick boost of essential minerals and nutrients.
Does potting mix/soil expire?
 Yes, there should be a best buy date printed on the bag. You can still use the expired potting mix as long as you rejuvenate it.

About Soils & Fertilizers

Explore our carefully crafted and garden-tested custom fertilizers, potting mixes, and soil blends, designed to enhance the growth and health of a variety of plants in any gardening setting. Whether you’re starting seeds, growing in containers or raised beds, tending a self-watering planter, or looking to refresh and revitalize nutrient-depleted soil, we’ve got soils & fertilizers for every use, all vetted and grow-tested by our gardening experts to provide specialized benefits for your growing situation. ...

To ensure you have the right amount of soil for your project, be sure to check out our soil calculator. It will help you determine the exact amount of soil you need for your specific gardening needs. From compost-based soil boosters to organic and peat-free potting and seed-starting mixes to plenty of earth-friendly soil and fertilizer options, our high-quality soil selection is curated for your gardening success./h2>

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