FoxFarm Grow Big
Best liquid fertilizer for gardeners seeking rapid, lush vegetative plant growth.
This liquid concentrate is the secret weapon for turning stagnant plants into lush, structural powerhouses. While it requires a bit more hands-on mixing than slow-release granules, the immediate nutrient uptake delivers visible, rapid growth that other fertilizers simply can't match.
$15.16
at
World of Organics & Hydroponics
More Grow Big options
Who it's for
- Growers using the FoxFarm system for consistent, easy feeding
- Gardeners seeking fast, lush foliage and stem development
- Plant owners prioritizing long-term health and natural resilience
Who should skip it
- Casual gardeners wanting a low-maintenance, shelf-stable fertilizer
- Beginners prone to overfeeding sensitive plant varieties
- Budget-conscious growers avoiding complex multi-bottle feeding regimens
Performance breakdown
Vegetative Growth Speed
The 6-4-4 ratio triggers rapid, visible foliage development almost immediately.
Nutrient Bioavailability
Liquid concentrate formula ensures plants absorb essential minerals without delay.
Ingredient Quality
Earthworm castings and kelp provide a nutrient-dense, organic foundation for growth.
Application Versatility
Works seamlessly across diverse plant types from delicate houseplants to vegetables.
Ease of Mixing
Water-soluble liquid concentrate simplifies the preparation process for regular feeding.
Structural Support
Micronutrients effectively strengthen stems and branches for better overall plant architecture.
Key Specs
NPK Ratio
6-4-4
Package Size
1 Pint
Form
Liquid Concentrate
Nitrogen Content
6%
Phosphorus Content
4%
Potassium Content
4%
Nutrient Focus
Vegetative Growth
Fertilizer Source
Organic
Water Soluble
True
Target Plant Type
Lawn, Vegetables, Flowers, Houseplants
Know before you buy
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