Top 10 Best organic fertilizer for knockout roses In 2022

1. Dr. Earth 702P Organic 3 Rose & Flower Fertilizer in Poly Bag, 4-Pound

  • Optimum levels of primary plant nutrients
  • For larger and more abundant blooms
  • Loosens and improves soil texture
  • Contains no GMOs, chicken manure or sewage sludge
  • Feeds for several months
  • Contains PRO-BIOTIC Seven Champion strains of beneficial soil microbes plus ecto and endo Mycorrhizae
  • 100 percent natural and organic
  • Superior buds and blooms; Exceptional results because nutrients are released quickly
  • Eliminates the need for chemical fertilizers when used as directed. Feeds for several months.
  • Eight select strains of Ecto and Endo Mycorrhizae contribute to drought tolerance, enhanced nutrient availability and increased plant performance

2. Jobe’s 09423 Organics Flower & Rose Granular Fertilizer with Biozome, 4 pound bag

  • 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

3. Jobe’s 8 lb. Organic Knock-Out Rose Plant Food (Оne Расk)

4. Jobe’s Organics Rose & Flower Fertilizer Spikes, 10 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

5. Miracle-Gro Shake ‘N Feed Rose & Bloom Plant Food, 8 lb.

  • 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!
  • Can be conveniently used on all flowering plants, both in ground and in containers

6. Nelson Plant Food Rose Food for All Types of Roses Climbing Tea Knock Outs Grandiflora with Five Sources of Nitrogen Nutri Star 18-14-10 (4 LB)

  • PLANT FOOD: Plant Food For All Roses featuring (NPK) Nitrogen (18%), Phosphate (14%), Soluble Potash (10%). Contains four sources of nitrogen and potassium to promotes lush foliage, strong stems and large, colorful blooms.
  • FERTILIZER FOR ROSES: Excellent source of nutrients and minerals for in ground and container growing roses including, but not limited to: Tea Roses, Antique Roses, Floribunda, Climbing Roses, Knockout Roses, Grandiflora Roses, Miniature Roses, Rose Banksias.
  • PLANT FERTILIZER: Helps roses to improve tolerance to dry weather conditions, in addition to promoting heavy flowering while increasing the size and strengths of the plant. Apply every 2 weeks in the beginning of spring and then every 60 days during the growing season.
  • IMMEDIATE RESULTS: NutriStar works with the soil and the soil biology to provide your flowering roses with the best nutrition at the right time and in the right amount. Plants get an immediate boost upon application, coupled with lasting benefits that continue to feed.
  • SUPERIOR QUALITY: The leading landscapers’ choice for flowers for over 30 years. Nelson Plant Food builds products that are horticulturally correct for each type of plant. Extensive research is done to make sure that plants are fed correctly with each NutriStar or ColorStar product.

7. Nelson Plant Food Rose Food for All Types of Roses Climbing Tea Knock Outs Grandiflora with Five Sources of Nitrogen Nutri Star 18-14-10 (2 LB)

  • PLANT FOOD: Plant Food For All Roses featuring (NPK) Nitrogen (18%), Phosphate (14%), Soluble Potash (10%). Contains four sources of nitrogen and potassium to promotes lush foliage, strong stems and large, colorful blooms.
  • FERTILIZER FOR ROSES: Excellent source of nutrients and minerals for in ground and container growing roses including, but not limited to: Tea Roses, Antique Roses, Floribunda, Climbing Roses, Knockout Roses, Grandiflora Roses, Miniature Roses, Rose Banksias.
  • PLANT FERTILIZER: Helps roses to improve tolerance to dry weather conditions, in addition to promoting heavy flowering while increasing the size and strengths of the plant. Apply every 2 weeks in the beginning of spring and then every 60 days during the growing season.
  • IMMEDIATE RESULTS: NutriStar works with the soil and the soil biology to provide your flowering roses with the best nutrition at the right time and in the right amount. Plants get an immediate boost upon application, coupled with lasting benefits that continue to feed.
  • SUPERIOR QUALITY: The leading landscapers’ choice for flowers for over 30 years. Nelson Plant Food builds products that are horticulturally correct for each type of plant. Extensive research is done to make sure that plants are fed correctly with each NutriStar or ColorStar product.

8. Burpee Organic Bloom Granular All-Natural Food for Roses and Flower Plants | Ideal for Container Gardens, Beds or Bushes, 4 lb, 4lb. Bag

  • 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

9. Jobe’s 04102 Rose Fertilizer Spikes, 10, Multicolor

  • Pre-measured Rose Fertilizer Spikes nourish at the roots; time release fertilizer for all flowering shrubs
  • Easy to use Rose Fertilizer Spikes; no measuring, no wasteful runoff, no mess, hazards or smells
  • For best results apply early in spring & late summer when new growth begins for beautiful blooms
  • Feeds for 8 weeks; continuous supply of nutrients below the surface, where the active roots are growing
  • No dangerous runoff

10. Espoma RT18 Rose Tone, 18-Pound

  • An all natural and organic plant food enhanced with thousands of living microbes and is approved for organic gardening
  • It is preferred by professional rosarians and provides a safe, long-lasting reservoir of nutrients
  • Made in United States
  • Long lasting slow release formula
  • Complex blend of natural organics
  • Recommended by pro roasrians
  • With 15 essential nutrients
  • Complete plant food

Thomas Benefield
Thomas Benefield

Thomas Benefield enjoys the outdoors and loves sharing his knowledge of forestry gadgets. His whole life has been spent in the woods, so he knows more about axes, saws, chainsaws, and other tools than anyone should! Thomas is always eager to share his love of the outdoors with others who wish to learn more about these important tools.

Articles: 4686

Leave a Reply

Your email address will not be published.