Humic Acids, Granular (5 lb Box)

Granular Humic Acids (5 lb Box) is a highly concentrated source of humic substances for fields, turf, and vegetable gardens. Derived from naturally occurring, unaltered oxidized lignite (leonardite) crushed and graded to a 1 to 3 mm particle size, it contains 50% humic acids and may increase micronutrient uptake by plants. Organic.

At a glance

• Type: Granular humic acid soil amendment
• Size: 5 lb box
• Active ingredient: 50% humic acids from leonardite
• Source: Oxidized lignite, 1 to 3 mm granules
• Use on: Fields, turf, and vegetable gardens

Best for

• Vegetable gardens and flower beds
• Lawns and turf
• Containers and potting mixes
• Row crops and acreage
• Boosting soil biology and micronutrient uptake

How to use

For vegetable gardens and flower beds, use 1 to 2 lbs per 100 sq ft mixed into the soil. For containers and potting mixes, use 2 Tbs per gallon of soil (or 1 to 2 lb per cu yd for new mixes; 1 to 2 tsp per gallon every 6 to 8 weeks for established plants). For lawns and turf, use 10 lbs per 1,000 sq ft in spring and fall. For row crops and acreage, use 75 to 150 lbs per acre, pre-plant in early spring or post-harvest in fall.

About Grow Organic

Grow Organic (Peaceful Valley Farm and Garden Supply) has served organic gardeners since 1976 with seeds, amendments, and tools selected for sustainable, productive growing.