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FloraSeries Three-Part Hydroponic Nutrients

FloraSeries is a three-part liquid base nutrient system built around FloraMicro, FloraGro, and FloraBloom. Use the components together in the ratios specified by your feeding chart as plants move through vegetative growth, flowering, and fruiting.

Compare each component's role below, then choose the FloraSeries feeding program that matches your setup. The three base components form the core program; expanded programs add specified supplements.

Browse FloraSeries products

How the three FloraSeries components work together

FloraMicro

Role
Provides calcium and micronutrients as part of the three-part base system.
Use with
FloraGro and FloraBloom at the ratios shown in your FloraSeries feeding chart.
Explore FloraMicro and instructions

FloraGro

Role
Contributes nutrition for vegetative growth within the three-part system.
Use with
FloraMicro and FloraBloom. Its proportion changes with the feeding schedule.
Explore FloraGro and instructions

FloraBloom

Role
Contributes flowering and fruiting nutrition within the three-part system.
Use with
FloraMicro and FloraGro according to the chart, rather than treating it as a stand-alone bloom feed.
Explore FloraBloom and instructions

Choose your FloraSeries feeding program

Start with the FloraSeries three-part base program. For programs with additional supplements, browse the GH feeding charts and use the schedule matching your products and growing stage.

Add each component separately to water and mix between additions. Follow the product labels and chart for mixing order and rates; do not mix undiluted nutrient concentrates together.

Need help selecting a schedule? Learn how to choose a GH feed chart. To source products locally, find an authorized retailer.

Browse FloraSeries products

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4 products
General Hydroponics FloraMicro® Calcium & Chelated Micronutrient Base
General Hydroponics FloraGro® Vegetative Growth Base Nutrient
General Hydroponics FloraBloom® Flowering & Fruiting Base Nutrient
FloraSeries® Quart Trial Pack

Feed programs

Choose a feed program

Use these related feed programs to match products in this collection with the right schedule, EC profile, and downloadable chart.

Feed Program

FloraSeries Professional 3-Part Nutrient System

Balanced three-part hydroponic feeding program using FloraMicro, FloraGro, and FloraBloom. Designed for vegetative growth through flowering with controlled nitrogen taper.
Hand-mix Standard 500 3 schedules
Hydroponics Soilless Media
View program Download chart

Feed Program

FloraSeries Professional 6-Part Nutrient System

The Flora Series 6-Part Feed Program builds on the core Flora Series trio with additional supplements for growers looking for more control throughout the crop cycle. It provides a balanced, step-by-step approach to nutrition from early growth through flowering and finish, with more opportunities to fine-tune plant performance than the 3-Part program.
Hand-mix Standard 500 3 schedules
Hydroponics Coco Coir Soilless Media
View program Download chart

Feed Program

FloraSeries Professional 10-Part Nutrient System

OUR MOST COMPREHENSIVE SCHEDULE, combining the full suite of Flora Series nutrients and supplements to support maximum yield and plant health in high-demand environments.
Hand-mix Standard 500 3 schedules
Hydroponics Coco Coir Soilless Media
View program Download chart

Collection guide

Grower guidance

Explore practical guidance, product-line education, and helpful next steps for this collection.

System Overview

How Flora Series Works

Flora Series is built around a modular nutrient approach that gives growers more control over how they feed through each stage of growth. Instead of relying on a single all-in-one nutrient, Flora Series separates key nutritional roles into individual components so growers can adjust ratios based on plant stage, system type, and performance goals.

At the center of the system are the three foundational products:

  • FloraMicro
  • FloraGro
  • FloraBloom


Together, these form the base of the Flora Series platform and can be used in a wide range of feeding strategies — from simple foundational routines to more advanced multi-product programs.

Foundation first

Build Your Program Around the Core 3-Part System

The easiest way to get started with Flora Series is to begin with the foundational 3-part system:

  • FloraMicro → micronutrients and nutritional balance
  • FloraGro → vegetative support
  • FloraBloom → bloom-stage support


This base system gives growers the flexibility to create a complete feeding program while still keeping the lineup easy to understand. Once the foundation is in place, additional products can be layered in to support specific stages and goals.

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