10 Best Fertilizer For Knockout Roses

After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the Miracle-Gro Plant Food 3002210 Shake 'N Feed Rose and Bloom is the one of the Best Fertilizer For Knockout Roses on the market.

Miracle-Gro Plant Food 3002210 Shake 'N Feed Rose and Bloom – Best Overall Fertilizer For Knockout Rose

Miracle-Gro Plant Food 3002210 Shake 'N Feed Rose and Bloom
  • Contains natural ingredients to feed microbes in the soil
  • Promotes more blooms and spectacular color in flowering plants and roses versus unfed plants
  • For new and existing roses and flowering plants
  • Feeds up to 3 months
  • Takes the Guesswork Out of Feeding!

Miracle-Gro Rose Plant Food – Best Budget Fertilizer For Knockout Rose

Miracle-Gro Rose Plant Food
  • Instantly feeds to grow bigger, more beautiful roses versus unfed plants
  • Feed every 1-2 weeks
  • Endorsed by the American Rose Society
  • Use with Miracle-Gro Garden Feeder or any watering can
  • Guaranteed not to burn when used as directed

Bayer Advanced 701110A All in One Rose and Flower Care – Premium Pick

Bayer Advanced 701110A  All in One Rose and Flower Care
  • 3 systemic products in one: insect control, disease control and fertilizer
  • One application protects against insects and diseases for up to 6 weeks
  • Controls Adelgids, Aphids, Black Vine Weevil Larvae, Japanese Beetles (adult), Lacebugs, Leaf Beetles, Leafhoppers, Mealybugs, Psyllids, Thrips, Whiteflies and More
  • Controls Black Spot, Powdery Mildew, Rust and Southern Blight
  • Treats up to 32 rose bushes

Jobe's Rose Fertilizer Spikes

Jobe's Rose Fertilizer Spikes
  • Pre-measured Rose fertilizer Spikes nourishes at the roots; time release fertilizer for all flowering shrubs
  • Easy to use Rose fertilizer Spikes; no wasteful runoff, no mess, hazards or smells
  • For Best results apply early in spring when new growth begins for beautiful blooms
  • Feeds for 8 weeks underground to provide roses with continuous slow-release nourishment at their roots
  • Apply early in spring when new growth begins; guaranteed Analysis: (9-12-9) 10 Spikes in waterproof, reseal able pouch

Jobe's Organics Rose & Flower Fertilizer Spikes

Jobe's Organics Rose & Flower Fertilizer Spikes
  • Organic fertilizer spikes for roses and all flowering shrubs; Pre-measured spikes provide nourishment at the roots OMRI listed for organic gardening by USDA
  • Organic fertilizer spikes for roses and all flowering shrubs; Pre-measured spikes provide nourishment at the roots
  • OMRI listed for organic gardening by USDA; Certified organic means no synthetic chemicals
  • Contains Jobe Biozome; Extremely aggressive proprietary microorganism archaea that aggressively breaks down material for faster results
  • Jobe's Biozome improves soil conditions; Helps your garden resist disease, insects, drought and other unfavorable conditions within a growing season
  • No mess easy to use spikes; Prevents waste and run-off; Fertilizer analysis: (3-5-3) 10 spikes per waterproof resealable package

Blue Gold Rose Flower Bloom Booster Root Stimulator Triacontanol Concentrate.

Blue Gold Rose Flower Bloom Booster Root Stimulator Triacontanol Concentrate.
  • ★ 100% NATURAL NOP COMPLIANT (contact certifier pre-use). Our Proprietary Cold-Process converts non-GMO herbs, mineral sources, oceanic plants/clays, natural plant oils/extracts to make our Chemical Free Triacontanol Enhanced Blend. Our Flowering Nutrients can be Applied to All Flowering Growth Stages. Manufactured Naturally to be a Biologically Alive and a Nutrient Dense Formula to Increase Nutrient Delivery to your Roses. Grow Year Round Roses in Southern Climates.
  • ★ SAFE FOR ALL ROSES White Rose, Desert Rose, Yellow Rose, Rose Bushes, Climbing Roses, Miniature Rose, Peace Rose, Lady Banks Rose, Rugosa Roses, Shrub Roses, Ground Cover Roses, Thornless Roses, Don Juan Rose, Red Rose, Container Roses, Potted Roses, Indoor Roses, Garden Roses, Rose Bush Tree, Large Roses for Growing Roses in Organic Gardening, Plant Nursery, Greenhouse, Tower Garden, Garden Landscaping, Indoor Gardening, Home Gardening, Hydro/DWC. Compatible with All Grow Media.
  • ★ GUARANTEED RESULTS (when used correctly)! Properly Balanced Nutrition Boosts Amazing Results: Increase Water Uptake, Longer Flowering Cycle, Extreme Vibrant Blooms, Multiple Sets, Explosive Root Growth, Increased Biology and Pollination, Higher BRIXX, Attracting Beneficials, Reduce Water Usage by 15-25%, Frost/Freeze Protection (spray prior to frost/freeze), Instantly Alleviate Heat Stress, Reduce Fertilizer/Water Inputs by up to 90% (dependent upon plant sap/soil/pH conditions).
  • ★ ROSE FOOD ROOT STIMULATOR PROMOTES EXPLOSIVE BLOOMS. Use our 6.4 pH Balanced Organic Wetting Agent Flower Food as a Soil Conditioner, Inoculant, Hard Soil Softener, Bloom Booster, Foliar Spray, Foliar Feeding to Supercharge Buds and Blooms, Stronger Colorful Roses, Vibrant Petals. One 8oz Bottle Makes up to 47 Gallons. Will Not Harm People, Animals, Beneficials (inc. Birds, Bees, Butterflies, Earthworms). Will Not Cause Root Rot. Made in the USA.
  • ★ INCREASE DISEASE RESISTANT ROSES for NATURAL ROSE PEST CONTROL (earwig, Japanese beetle, rose aphids, spider mites, thrips, mealybug, whitefly) & Natural Defenses against Plant Viruses, Plant Fungal Diseases (powdery mildew, fire blight, rose rosette, black spot). Nutrient Rich Soil & Healthy Plants with High BRIXX Need Less Total Inputs, Fungicides, Insecticides, Herbicides. Our Solution is Free of Chemicals, GMOs, PGRs, Toxins. Increase the Life of Your Fresh Rose Cuts.

Dr. Earth Total Advantage Rose and Flower Liquid Fertilizer 24

Dr. Earth Total Advantage Rose and Flower Liquid Fertilizer 24
  • 24oz Concentrate, Use 2oz per gallon of water 2-2-1 NPK
  • 100% Sustainable fertilizer, made from recylced grocery produce, fish and meat.
  • Makes 12 Gallons
  • OMRI Listed
  • Safe around your family and pets

Jobe's 09423 Organics Flower & Rose Granular Fertilizer with Biozome

Jobe's 09423  Organics Flower & Rose Granular Fertilizer with Biozome
  • Organic granular fertilizer; Fast acting fertilizer for roses; Formulated for more abundant beautiful flowers
  • OMRI listed for organic gardening by USDA; Certified organic means no synthetic chemicals
  • Contains Jobe's Biozome...the proprietary microorganism archaea that aggressively breaks down material for faster results
  • Jobe's Biozome improves soil conditions, helps resist disease, insects, and drought during the growing season
  • Easy pour bag; Guaranteed analysis: (3-5-3) 4 pound bag, (3-5-3) 16 pound bag; Apply at planting and every 6 weeks

Burpee Organic Rose and Bloom Granular Plant Food

Burpee Organic Rose and Bloom Granular Plant Food
  • Burpee Organic Rose + bloom granular plant food is formulated to feed quickly while delivering long-lasting results for all types of roses and flowering plants
  • Provides a flush of nutrients immediately and slow-release nutrients continue to feed your plants for up to 3 months
  • Contains beneficial microbes to help promote spectacular blooms, more Color, and strong root development
  • Omri listed for Organic use
  • The ideal granular plant food for container gardens, established beds and individual bushes

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