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Rose, Flower & Bulb Fertilizer with MicroAlgae (4-6-2)

A 4-6-2 organic fertilizer with MicroAlgae for all-season feeding of roses, flowering perennials, annuals, and bulbs.

Key features:

  • 4-6-2 formula with the phosphorus flowering plants need for vibrant blooms
  • Blend of dehydrated poultry manure, bone meal, feather meal, sulfate of potash, and MicroAlgae
  • Promotes strong root systems for all-season performance
  • OMRI Listed and CDFA registered organic input

Available size:

4 lbs, 12 lbs, 25 lbs
g&b rose flower and bulb fertilizer

For Roses, Flowers, and Bulbs All Season Long

Gardner & Bloome Organics Rose, Flower & Bulb Fertilizer with MicroAlgae is designed for all-season use on flowering plants. The 4-6-2 formula gives flowering plants the phosphorus they need for vibrant color, balanced with nitrogen and potassium for overall plant health.

The blend includes dehydrated poultry manure, bone meal, feather meal, sulfate of potash, and MicroAlgae, working together to promote strong root systems and consistent blooms. Use it on roses, flowering perennials, annuals, and bulbs in raised beds, in-ground gardens, and containers.

How to Use Rose, Flower & Bulb Fertilizer with MicroAlgae

  1. For New Plantings: Mix into the soil at the rate listed on the bag before placing your plant. Water thoroughly after planting.
  2. For Established Roses, Perennials, and Annuals: Apply around the base of the plant at the rate on the bag during the growing season. Water in well.
  3. For Bulbs: Mix into the planting hole at the rate listed on the bag. Cover with soil and water in.
  4. Pair with the Right Soil: Use Gardner & Bloome Organics Rose & Flower Planting Mix for in-ground beds.

Product Specifications

Bag size: 4 lbs, 12 lbs, 25 lbs
Guaranteed Analysis: 4-6-2002
Form: Granular
Best uses: Roses, flowering perennials, annuals, bulbs
Certifications: OMRI Listed, CDFA Organic Input Material registered
Ingredients: Dehydrated poultry manure, bone meal, feather meal, sulfate of potash, MicroAlgae
Regional Availability: AZ, CA, HI, ID, OR, NV, UT, WA

Safety Data Sheet:

Key Benefits:

Brighter Roses and Bulb Beds

Extra phosphorus drives the deep color and bloom count flowering plants are known for.

MicroAlgae for Extra Nutrition

A natural organic ingredient that adds plant-available nutrients alongside the main formula.

Color That Holds Through the Season

Steady feeding keeps blooms coming when other gardens slow down.

Third-Party Verified Organic

OMRI Listed and CDFA Organic Input Material registered, so the organic claim is independently checked.

All of our products are listed by the Organic Materials Review Institute (OMRI), the leading non-profit, internationally recognized third party accredited by the USDA’s National Organic Program (NOP).

That means every ingredient and every process that goes into making our products has been verified 100% compliant as organic, all the way to the original source. Look for the OMRI logo on the bag, ensuring every product is proven organic.

At G&B Organics, we’re always looking for ways to source ingredients and produce our products as locally as possible to our customers.

This reflects our commitment to sustainability, and to investing in local economies and businesses whenever possible.

Find Rose, Flower & Bulb Fertilizer with MicroAlgae at a Store Near You

Available in 4 lb, 12 lb, and 25 lb bags at independent nurseries and garden centers in AZ, CA, HI, ID, OR, NV, UT, and WA.