Best Summer Garden Fertilizers in 2026

Scotts Turf Builder THICK'R LAWN Sun & Shade is a 3-in-1 solution uniquely formulated to help turn your thin lawn into a thicker, greener lawn with stronger roots

Get up to a 50% thicker lawn with just one application (subject to proper care; results may vary based on current condition of lawn)

Lawn improvement product contains grass seed to fill gaps in current lawn, fertilizer for thicker, greener turf, and soil improver to encourage root development

Use anytime during the spring, summer, or fall in flower and ornamental garden beds, around ground covers, trees, and shrubs

Prevents weeds and feeds plants in one easy step

Balanced fertilizer promotes abundant blooms, increased yields and strong root development

Down to Earth Vegetable Garden is a fifteen pound box of all natural fertilizer with 4-4-4 formula

This veggie fertilizer provides the perfect start for your sprightly spring greens, it gives your summer tomatoes super-powers, and it's fantastic for growing your favorite frangrant herbs

Vegetable Garden Fertilizer is full of powerful nutrition to help your plants grow

Ross root feeder system stops pollution from fertilizer run-off and costly waste of water from evaporation; ideal for watering during droughts

Fertilizer for all evergreen trees, shrubs and other acid loving plants such as Azaleas, camellias and Rhododendrons

Deep feeding fertilizer system supplies nutrients at the root level, where the active roots are growing; encourages deep root development for improved tree and shrub stability

For Use On Roses, Fruit & Nut Trees, Ornamental Trees & Shrubs

Protection From Summer Sunburn & Winter Sunscald

Organic Patented Formula, Healthier Than Latex & Tar-Based Products

Use the Miracle-Gro Performance Organics Garden Feeder to instantly feed your plants while watering; includes first feeding of Miracle-Gro Performance Organics All Purpose Plant Food

Enjoy Miracle-Gro results organically with all natural ingredients; OMRI Listed for Organic Use

Feed with Miracle-Gro Performance Organics Plant Nutrition every 7- 14 days for best results

DESIGNED FOR FRUITS AND VEGETABLES - Our hormone spray makes blossoms set fruit despite poor weather. It is designed for tomatoes but works great on beans, cucumbers, eggplants, melons, okra, peppers, strawberries, and grapes.

GREATER PRODUCTION - Nearly every blossom will produce larger, meatier, healthier, and almost seedless tomatoes.

DUAL PURPOSE USE - This tomato bloom set can be used in both indoor and outdoor garden environments.

High Phosphorus, High Potassium Lawn Food: If your lawn is showing symptoms of a Phosphorus and Potassium deficiency or if you want to maintain lawn health then this is the correct fertilizer for you!

Made With High Quality Feed Grade Ingredients: Nourish your lawn to its top potential with quality liquid lawn Nutrients.

Easy To Use: Designed to be easily applied. This high Phosphorus & Potassium Lawn Food gives your lawn the nutrients it needs for strong root development, vigor, and strength.

Complete NPK Lawn Food: 16-4-8 is the perfect blend of key macronutrients. This lawn liquid food turf fertilizer also contains Seaweed & Fish.

Contains High Quality Feed Grade Ingredients: Nourish your lawn to health with safe, pure liquid Nutrients. We believe in nourishing your lawn to health the right way.

1 Gallon Sizes covers 12,800 square feet. This complete Nitrogen, Phosphate and Potash formula gives your grass greening & growth while providing nutrients for roots, health and turf strength.

Size : 25 lb.

Coverage Area : 5000 sq. ft.

Granules form

ALL PURPOSE 20-20-20 FERTILIZER: 20-20-20 water soluble fertilizer is an all purpose plant food that feeds your plants and turf directly through the roots and leaves. Great for all plants, vegetables, grasses, shrubs, indoor and outdoor, our water soluble plant food is formulated to increase plant vigor, turf greening and growth, flower development sites, and garden yields. This plant food will give all of your plants an instant boost in vitality.

PACKED WITH ESSENTIAL NUTRIENTS: 20 20 20 fertilizer is a 100% water soluble fertilizer providing the optimum NPK as a supplement. GS Plant Foods All Purpose water soluble plant fertilizer with Kelp and Micronutrients is designed to be the simplest ‘All-in’ method of providing your plants and turf with the necessary amounts of Nitrogen, Phosphorus and Potassium. Our unique blend will give you a quick boost in vibrant colors and plant vitality.

ADDED BENEFIT OF ORGANIC KELP:GS Plant Foods Organic Kelp is a natural fertilizer for plants that provides a range of benefits for plant health and growth. Kelp contains nutrients that greatly benefit the development of the plant’s root system, resulting in a stronger, healthier plant, enabling growth and nutrient uptake. The 100% water soluble fertilizer provides a mix of nutrients all in a usable form perfectly suited for maximum efficiency of uptake for your plants.

🌄 ORGANIC FERTILIZER FOR LAWN CARE creates a sustainable healthy lawn. Promotes germination, root and shoot growth and resilience of grassblades. In contrast to mineral lawn fertilizer, organic lawn fertilizer offer not only macro- and micronutrients but also amino acids, polysaccharides, vitamins and natural plant hormones tailored to the needs of plants. It activates the soil and beneficial microorganisms,

🌄 APPLICATION 100% water soluble flakes. Simply mixed with water to get exactly the amount of liquid fertilizer needed. Or spread flakes directly onto the lawn before watering or rainfall. Flakes can be stored for 3 years. Odor-neutral organic fertilizer works even next to your garden table. Safe use as organic lawn starter directly when sowing, as spring and summer feed and to promote regenaration of plants and soil in fall and winter.

🌄 VEGANIC GROWING is the most innovative and modern way of growing plants. Florasoul LAWN FOOD is OMRI listed and certified by the VEGAN Society. The composition is 100% plantbased, non-GMO, eco-friendly, chemical-free and biodegradable. The advantage of plant-based fertilizers is the safe use. Over-fertilization will not harm plants and the environment. Completely safe for children, pets, bees, insects, wildlife and groundwater

SUMMER FERTILIZER: Our liquid fertilizer contains a beneficial blend of nutrients to help your soil stay hydrated, conserve water, and prevent grass from wilting during the hottest months of the year.

KEEP GRASS GREEN & HYDRATED: With advanced nutrients including wetting agents and growth-promoting compounds sourced from Norwegian kelp, Drought Defender helps grass, gardens, and plants stay green through the harshest of conditions.

KELP FERTILIZER: Designed to help your lawn and vegetables thrive throughout the summer. Drought Defender is formulated with advanced nutrients, including marine kelp, soluble potash, and amino acids for healthy and hydrated lawns and gardens.

EFFORTLESSLY ACHIEVE YOUR DREAM LAWN WITH 5 AMAZING PRODUCTS AT A FRACTION OF THE COST: Your Lawn Force 5 liquid lawn care kit fertilizes, dethatches and breaks down grass clippings, aerates soil, adds valuable organic matter to the soil, and promotes beneficial root fungus (mycorrhizae) all in one quick and easy application, so you can have your dream lawn in no time!

THE ORIGINAL NATURAL, NON-TOXIC, PET-SAFE, BIODEGRADABLE, ALL IN ONE LAWN CARE KIT FOR: All Grass Types including Bermuda, Zoysia, and St. Augustine, New or Established Lawns, Compacted Soil, Sod, Yards of Any Size, Gardens, Trees, and more.

THE PREMIER 5-IN-1 LAWN CARE SOLUTION TRUSTED BY LAWNCARE PROFESSIONALS FOR 15+ YEARS TO: Fertilize, stimulate earthworm activity, increase nutrient availability to the roots, dethatch and break down grass clippings, aerate and condition the soil, unlock nutrients in the soil, and enhance root growth and power with beneficial root fungus (mycorrhizae).

Product 1: Natural Solution for weed prevention

Product 1: Apply every 4-6 weeks

Product 1: Prevents crabgrass, dandelions, clover and other common weeds

Grass seed and fertilizer mix for southern Tall Fescue lawns

Ideal grass seed for lawns that receive sun in some parts and moderate shade in others

Contains just the right amount of fertilizer to help your lawn succeed

Reduces watering

Hygroscopic and humectant compound

Improves water and nutrient uptake

Fast Acting, Long Lasting, Robust Nutrition: Each 5 Inch TruSpike Fertilizer Spike is packed with nutrition designed for feed your trees, evergreens and shrubs continuously for up to 3 months.

5 Inch TruSpike Packed With Fertilizer... Hammer It In! This is not your old, ordinary, crumbly, dusty, oval shaped fertilizer "spike". This is a patented, powerhouse TruSpike. There's no need for a plastic cap or special equipment with TruSpike, just hammer it in and let it get to work feeding your plants. It will NOT break, crush or smash... guaranteed!

Nutrient Rich 13-3-3 Formula with 13% Nitrogen for virogrous, colorful plants; 3% Phosphorus for bountiful fruiting and blooms; and 3% Potassium for strong roots.

Nitrogen Encourages Greening & Vertical/Lateral Growth for a Thicker, Greener Lawn. High Nitrogen Liquid Lawn Food contains the essential nutrients to establish your lawn into a thicker, greener, envy-worthy lawn!

70% Quick Release and 30% Slow Release Nitrogen: Quick Release Nitrogen for immediate absorption, and Slow Release Nitrogen to continue to feed in between fertilizer applications.

Encourages Darker Green Turf: Lawn Energizer contains Nitrogen and Iron to help you achieve that dark green color, maintain lawn, and treat lawns deficient in Nitrogen or Iron.

This is an all in one fertilizer. In a few weeks, Grassna fertilizer will make your lawn (it works for all types of grass) much greener and garden plants (roses, vegetables, fruit trees, etc.) grow much better in acidic, neutral, and alkaline soils because of the balanced nutrients like NPK and humic & fulvic substances. Grassna can be applied in Spring (1/2 gallon/3000 sq ft), Summer (1/2 gallon/2000 sq ft), Fall (1/2 gallon/3000 sq ft), and as a starter fertilizer (1/2 gallon/6000 sq ft).

Just in some weeks, Grassna will make your lawn empty spots filled with new grass through enhancing the grass roots to grow and emerge new above ground grass because of the unique ingredients in our product

Grassna is an environmentally friendly product that is safe for your pets and children. Grassna improves your lawn's resistance to drought and heat stress.

KEY FEATURE: Total protection is achieved through a combination of foliar and root absorption

BENEFITS: Provides continuous protection to the whole plant for up to 28 days

LABELED USES: Residential, Commercial Parks/Rec, Athletic Fields, Turf, Golf Turf

💚Also known as the Chinese fringe flower, This shrub is a true delight to grow. Loropetalum Ruby are known for their green and burgundy colored foliage, hot pink Flowers, and overall appealing aesthetic look.

🌸Fringe flowers; This shrub boasts Small yet beautiful flowers, which are iconic for their vibrant pink color. Appearing in early spring, These clusters of small blooms last strong through late summer.

😍Unique color; Ruby loropetalum are iconic for their rich, dark colored foliage ranging from Green to burgundy. Add brilliant color to your landscape When planting multiples of these colorful shrubs.

All your lawn care needs delivered right to your door

Get a great lawn this year, without the guesswork

Apply Scotts Turf Builder with Moss Control in early spring, Scotts Turf Builder Weed & Feed 3 in the late-spring, Scotts Turf Builder Summerguard Lawn Food with Insect Control in the summer, and Scotts Turf Builder Winterguard Fall Lawn Food in the fall

Scotts Turf Builder EdgeGuard Mini Broadcast Spreader

Scotts Turf Builder Bonus S Southern Weed and Feed, 5000 sq. ft.

Scotts Turf Builder Halts Crabgrass Preventer with Lawn Food, 5,000-Sq Ft

Product 1: 1 Application blocks weeds up to 6 months guaranteed

Product 1: When used as directed Preen Extended Control Weed Preventer can be used around more than 600 perennials, groundcovers, shrubs and trees as listed on the product label

Product 1: Can be sold as a refill for flip-top applicator