Garden & Outdoor Living

The Best Soils, Fertilizers & Mulches

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Our picks are based on Amazon bestseller rankings, Amazon customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Selecting the appropriate soil, fertilizer, or mulch can significantly impact the health and vibrancy of your garden. These products provide essential nutrients, improve soil structure, and protect your plants from environmental stressors. Making an informed choice ensures your plants thrive and your outdoor space flourishes.

No. 1
Miracle-Gro Organic Outdoor Potting Mix, 16 qt.
  • OUTDOOR POTTING SOIL: Miracle-Gro Organic Outdoor Potting Mix contains a quick-release natural plant fertilizer and also feeds plants for up to 2 months
  • PEAT MOSS: This organic potting soil mix is made with responsibly sourced peat (one hundred percent of peat sourced from certified producers)
  • OUTDOOR CONTAINER USE: Use this organic potting mix with all types of outdoor container plants, including flowers, vegetables, herbs, annuals, and perennials
  • HOW TO USE: To plant in pots, fill the container partially full with this potting soil for outdoor plants, place the plant in the pot after loosening the root ball, cover with more mix and water thoroughly
No. 2
Brut Organic Worm Castings for Plants 5 LB – Natural Nutrients, Fertility Builder, Plant Food for Potting...
  • SUPERCHARGE YOUR GARDEN: Elevate your plants' growth with premium organic Brut Worm Castings. Our certified organic formula guarantees optimal nutrition for your indoor and outdoor plants.
  • PURE ORGANIC GOODNESS: Made with certified organic ingredients, our worm castings are raised indoors in containers, ensuring unparalleled purity and effectiveness for your plants’ health.
  • LUSH & VIBRANT PLANTS: Watch your plants thrive with mineral-rich Brut Worm Castings. Experience lush greenery, vibrant blooms, and bountiful harvests—naturally nourishing your plants from root to leaf.
  • BORN FROM FAMILY CARE: As a family-owned business, we take pride in offering the finest organic castings. Every batch is carefully crafted to nurture your plants as if they were our own.
No. 3
Brut Cow Compost – Nutrient-Rich Composted Cow Manure Organic Soil Amendment – 100% Pure Compost...
  • NUTRIENT-RICH GROWTH: Premium cow manure compost packed with nitrogen, calcium, and iron. This organic compost fertilizer enriches soil, boosts microbial life, and supports bigger vegetables, greener lawns, and thriving flowers.
  • PURE COMPOSTED COW MANURE: Made only from thoroughly composted cow manure, carefully aerated and tested for safety. No additives, just pure organic manure for plants. Finely sifted texture makes it ideal compost soil for indoor and outdoor gardening.
  • NO ODOR, NO BURNS: Brut is odor-free and safe for all plants. Gentle on roots, eliminating the risk of plant burn. A trusted compost for plants, seedlings, houseplants, and delicate blooms indoors or outdoors.
  • VERSATILE SOIL AMENDMENT: Perfect for potted plants, shrubs, and vegetable gardens. Use as a top dressing, mix into compost soil for outdoor plants, or enrich organic soil for garden beds. Works as garden compost and manure fertilizer for plant growth.
No. 4
Miracle-Gro Organic Outdoor Potting Mix, 16 qt. (2-Pack)
  • OUTDOOR POTTING SOIL: Miracle-Gro Organic Outdoor Potting Mix contains a quick-release natural plant fertilizer and also feeds plants for up to 2 months
  • PEAT MOSS: This organic potting soil mix is made with responsibly sourced peat (one hundred percent of peat sourced from certified producers)
  • OUTDOOR CONTAINER USE: Use this organic potting mix with all types of outdoor container plants, including flowers, vegetables, herbs, annuals, and perennials
  • HOW TO USE: To plant in pots, fill the container partially full with this potting soil for outdoor plants, place the plant in the pot after loosening the root ball, cover with more mix and water thoroughly
No. 5
Better-Gro Special Orchid Mix - Orchid Bark Potting Mix - 4 Quarts
  • MULTI-PURPOSE FORMULA FOR ALL EPIPHYTIC ORCHIDS: Specially developed for growing a wide range of orchids, including Cattleyas, Phalaenopsis, Dendrobiums, Paphiopedilums, and Oncidiums
  • OPTIMAL ROOT GROWTH AND DEVELOPMENT: A dynamic blend of western fir bark, hardwood charcoal, and sponge rock promotes healthy root growth; coarse perlite and bark nuggets provide the ideal environment for root development
  • DRAINAGE AND AIR FLOW FOR THRIVING ORCHIDS: This mix ensures excellent drainage and airflow, mimicking orchids' natural habitat; sponge rock and coarse perlite aid in water retention while allowing for proper ventilation
  • EASY REPOTTING WITH RESEALABLE BAG: Ideal mix for repotting your orchids every 12-18 months to support healthy growth; comes in a convenient resealable bag in two sizes, 8 Dry Quarts (8.8L) and 4 Dry Quarts (4.4L), for sustained health and growth
No. 6
R&M Organics Compost Soil Amendment Fertilizer for Garden Plants & Lawns
  • Nutrient-Rich Organic Compost for Healthy Soil: Support stronger plant growth with this premium organic compost made from dairy cow manure. This all purpose soil amendment helps replenish essential nutrients often depleted after harvests, making it ideal...
  • All Purpose Use for Indoor and Outdoor Gardening: Perfect for a wide range of applications including tomatoes, herbs, zucchini, citrus trees, roses, orchids, lawns and more. Use in garden beds, raised beds, pots or landscaping projects to help improve...
  • Low Odor and Fully Composted for Easy Use: Processed through a complete composting method with continuous aeration to help reduce unwanted odors and impurities. The result is a clean, earthy soil-like scent that makes it suitable for both indoor and...
  • Improves Moisture Retention and Soil Quality: Helps soil retain moisture for longer periods, supporting more consistent hydration for your plants. This can reduce the frequency of watering while improving soil texture, aeration and overall plant growing...
No. 7
Burpee Bone Meal Fertilizer | Add to Potting Soil | Strong Root Development | OMRI Listed for Organic...
  • STRONGER ROOT DEVELOPMENT: Bone Meal is a natural source of vital, readily available organic nitrogen, phosphorus and calcium that promotes strong plant roots, vibrant blooms and more delicious vegetables. Helps to enhance your plants throughout the...
  • ADD TO SOIL: Add to soil or potting mix during seed starting or at any time prior to harvest to fuel strong roots and early, healthy plant growth. Bone meal fertilizer breaks down slowly, releasing nitrogen for robust growth throughout the season. Follow...
  • ORGANIC CERTIFIED: OMRI listed for organic gardening, Bone Meal is ideal for new bedding plants, giving established home flower gardens a boost, and keeping patio containers looking their best and brightest. Helps naturally deter rabbits from your garden.
  • IDEAL FOR FALL BULB PLANTING: Bone meal naturally promotes healthy growth of root and bulb crops and has a fine granular consistency for easy spreading. You can also use when planting flowering bulbs in the fall, such as tulips. Plus, it's Made in the...
No. 8
Compressed Organic Potting Soil for Garden, Plants & Vegetables - Expands 4x When Mixed with Water - Indoor or...
  • A LITTLE DOES A LOT - Easy to use compressed soil granules quickly expand up to 4X and make up to 3 gallons of soil. Light, compact, easy to carry, resealable bag saves space.
  • NOURISH & SEE THEM FLOURISH - Packed with every essential nutrient plus 55+ trace minerals, this concentrated super soil feeds and grows strong beautiful vibrant plants better than ever!
  • FAST ACTING & LONG LASTING - Easy to wet and stays moist 3X longer. Living soil gets water, air and nutrients to roots on demand. Perfect for all seeds, starts, transplants, containers, raised beds and gardens!
  • TRULY ORGANIC YOU CAN TRUST - 100% natural ground coconut coir, worm castings, compost, humic acids, amino acids, kelp and beneficial GroBiotics including mycorrhizae give your soil, flower, vegetable, herb, fruit, tree, shrub, raised bed, outdoor or...
No. 9
Heirloom Roses Mint Compost,100% Natural,Top Soil Amendment for Rose Planting, Rich in Micronutrients and...
  • Heirlom Roses Mint Compost: Provides moisture retention in sandy, dry soils, while also rich in natural humus to help break up hard clay soils
  • Rose Plant Application: Heirloom Roses Mint Compost is a natural agent that helps to repel aphids, spider mites, and other damaging insects
  • How to Use: Mix one 1.5 quart bag per plant in the topsoil or using as a top dressing around the plant. The 26 quart box is enough for 20 roses or using as a top dressing in your garden
  • Plant Nutrition and Retention: Our mint compost helps keep your plant and bushes structure intact, allowing them to thrive between waterings & nourished for sustained blooming year after year
SaleNo. 10
Miracle-Gro Shake 'N Feed All Purpose Plant Food, 4.5 lb.
  • 3 MONTHS OF FEEDING: Miracle-Gro Shake 'N Feed All Purpose Plant Food feeds plants for up to 3 months, and nourishes above and below the soil
  • GROW STRONGER PLANTS: This plant food contains vital micronutrients to grow stronger, vibrant, and more productive plants (vs unfed plants)
  • FOR ALL PLANTS: Use this all-purpose plant food outdoor or indoor to feed container plants or plants in outdoor in-ground and raised bed gardens, including flowers, vegetables, and herbs
  • APPLICATION: Apply this continuous release garden product evenly onto the soil and work into the top 1-3 inches of soil for in-ground plants, or lightly work into the soil of established container plants; water to start feeding; reapply every 3 months

Last update on 2026-10-10 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Soils, Fertilizers & Mulches

Understand Your Plant's Needs

Different plants have varying requirements for soil pH, drainage, and nutrient content. Research the specific needs of the plants you intend to grow. For example, acid-loving plants like blueberries and azaleas require acidic soil, while succulents need well-draining soil.

Soil Type and Purpose

  • Potting Mix: Ideal for containers and raised beds, offering good drainage and aeration.
  • Garden Soil: Designed to amend existing garden beds, improving texture and fertility.
  • Compost: A rich organic amendment that enhances soil structure, water retention, and nutrient availability.

Fertilizer Formulation

Fertilizers are labeled with an N-P-K ratio (Nitrogen-Phosphorus-Potassium). Nitrogen promotes leafy growth, phosphorus aids root development, and potassium supports overall plant health. Choose a fertilizer based on the stage of plant growth and specific deficiencies you observe.

Mulch Benefits

  • Organic Mulches (e.g., wood chips, bark): Decompose over time, adding nutrients to the soil and suppressing weeds.
  • Inorganic Mulches (e.g., gravel, rubber): Offer long-term weed suppression and moisture retention without decomposition.

Frequently Asked Questions

What is the difference between potting mix and garden soil?
Potting mix is formulated for containers, offering excellent drainage and aeration to prevent root rot. Garden soil is designed to amend existing in-ground beds, improving their texture and fertility for outdoor planting.
How do I choose the right fertilizer?
Consider the N-P-K ratio on the fertilizer package, which indicates the levels of nitrogen, phosphorus, and potassium. Match these nutrients to your plants' specific needs at different growth stages, such as promoting foliage growth or encouraging blooms.
What are the benefits of using mulch?
Mulch helps retain soil moisture, suppresses weed growth, and regulates soil temperature, protecting plant roots. Organic mulches also decompose over time, enriching the soil with valuable nutrients.
Can I use any soil for all my plants?
No, different plants have distinct soil preferences. Some plants, like azaleas, thrive in acidic soil, while others need well-draining conditions. Using the wrong soil can lead to poor growth or plant demise.

How we compare Garden & Outdoor Living

1 Specifications: we compare the key features and specifications listed by the manufacturer and on Amazon.
2 Customer ratings: we take into account the average Amazon rating and the number of reviews.
3 Price: we check the current price and highlight notable deals.
4 Updates: comparisons are refreshed regularly as prices and availability change.

Our comparisons are reviewed and updated regularly to reflect the latest products and prices.

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