FoxFarm Grow Big Liquid Fertilizer 6-4-4

$15.99 - $28.99

FoxFarm Grow Big Fertilizer 6-4-4


16oz $15.99

32oz $28.99

Get your garden going with Grow Big, a fast-acting, water-soluble fertilizer for lush, vegetative, compact growth.

Use Grow Big early in the season when young plants need an extra boost.

Earthworm castings and Norwegian kelp were added into this special brew to encourage sturdier, healthier stems and leaves.

This product also provides enough nutrients and trace minerals to create the kind of healthy branching that you’ll need later in the season for more abundant buds and blooms.

How to Use

Begin application within two weeks of sprouting or transplanting.

Give plants a jump start with foliar feeding.

When plants have reached their peak of vegetative growth and are starting to show first signs of flowering, switch to one of FoxFarm’s blooming fertilizers.

For best results refer to one of Foxfarm's Feeding Schedules.


  • 2-3 teaspoons (10-15 mL) per gallon (4 L) of water every other watering.


  • 4 teaspoons (20 mL) per gallon (4 L) of water every other watering.


  • 1/2 teaspoon (2.5 mL) per gallon (4 L).
  • Use a pump sprayer and apply to both sides of leaves.
  • Do not apply while plants are in direct light.


  • Fill sprayer with concentrate, do not dilute.
  • Follow manufacturer’s instructions for recommended application rates.
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