Collection: Liquid Fertilizer

Organic Liquid Fertilizer for Stronger Plant Growth

Using the right organic liquid fertilizer is essential to promote healthy plant growth throughout the growing season. Our collection includes top liquid fertilizers made from organic ingredients like fish hydrolysate, seaweed, kelp, and corn steep liquor—ideal for vegetables, flowers, fruit trees, and ornamentals.

These fast acting solutions are absorbed quickly, delivering nutrients directly to roots for better nutrient uptake and visibly improved plants health. Unlike synthetic options, our organic fertilizers contribute to long term soil health, boost root development, and support vibrant flowering and fruiting.

Learn how these compare to other fertilizer forms in our guide: Granular, Pelleted, Soluble, and Liquid Fertilizers: Which Is Best?

Best Liquid Fertilizer Options Available

We carry a wide variety of liquid fertilizer for plants, including:

• Peaceful Valley Organic Liquid Fish 2-3-0.5
• Fish Emulsion with Kelp 4-1-1 (EB Stone)
• Phos Fish 1-7-0 (available in quart, gallon, and 5-gallon sizes)
• Aqua Power (1, 5, and 55 gallons)
• Tomato & Veg Fertilizer 2-4-2 (Neptune’s Harvest)
• AgroThrive General Purpose Fertilizer (1 and 5 gallons)
• True Organic Liquid All-Purpose Plant Food
• FoxFarm Cal-Mag and Iron Supplements (1 qt and 1 gal)
• Therm X70 Yucca Extract for improved nutrient delivery (Pint & Gallon)
• Organic Arber Plant Food and Liquid Humate 12%
• Liquid Plant Food 3-3-2 (EB Stone)

These fertilizers are designed to address nutrient deficiencies, improve root growth, and enhance yields in various soil conditions.

Types of Liquid Fertilizers for Every Garden

We offer different types of liquid fertilizers, including:

• General purpose blends for balanced feeding
• Specialty formulas for crops like tomatoes and leafy greens
• Micro-nutrient boosters like Cal-Mag and iron supplements

All our products are made with high quality inputs to deliver consistent performance across plant types and stages. If you're starting from seed, refer to our Seed Starting 201 Guide for tips on fertilizing young seedlings.

How to Apply Organic Liquid Fertilizers

Each organic liquid fertilizer should be diluted according to label directions and applied using a watering can, hose-end sprayer, or fertigation system. This ensures fast and even distribution to the root zone, improving nutrient uptake and reducing waste.

Best Liquid Fertilizer by Soil Type

• Sandy soils: Improve moisture and nutrient retention, aiding root growth
• Clay soils: Enhance permeability and nutrient flow to encourage root development

Regular use of organic liquid fertilizer not only addresses short-term nutrient deficiencies but also builds improved soil quality for the long term.

Why Choose Our Organic Fertilizers

GrowOrganic is your trusted source for top liquid fertilizers made with certified organic ingredients. Whether you're improving soil health, boosting flowering and fruiting, or searching for the best liquid fertilizer for your vegetables or fruit trees, we provide effective solutions that support sustainable gardening.

Need help feeding trees? Learn when and how to fertilize your fruit trees for the best results throughout the growing season.