• A brown container labeled Arber Organic Soil & Root Boost contains 4 oz (113 g) of a concentrated formula with mycorrhizae and soil microbes for healthier, organic soil and enhanced root growth.
  • A hand sprinkles Arber Organic Soil & Root Boost, packed with beneficial microbes, onto potting soil in a garden scene, while a small plant in a terra cotta pot sits in the background.
  • A person with black nail polish and rings sprinkles Arber Organic Soil & Root Boost from pink packaging into organic soil of a white potted plant with large green leaves.
  • A person sprinkles Arber Organic Soil & Root Boost onto organic soil near green plants and yellow flowers in a garden bed, with a blurred grassy background.
  • A brown container labeled Arber Organic Soil & Root Boost lists organic soil ingredients and beneficial microbes like Rhizophagus intraradices and Bacillus species, plus usage instructions and a note about root boost benefits.
  • A brown cylindrical Arber bottle with dark brown lid features white text detailing instructions and benefits of Organic Soil & Root Boost, including how to shake, water, and apply it to new or existing plants for enhanced growth.
  • A brown Arber Organic Soil & Root Boost container labeled for Indoor & Outdoor Use, featuring the OMRI Listed logo, plant roots illustration for root boost and soil microbes, and growarber.com at the bottom.
  • A brown container labeled “Organic Soil & Root Boost” by Arber. This organic enhancer increases root surface area with powerful soil microbes. The 4 oz label features a root illustration and plant icon.
1 8

Arber

Organic Soil & Root Boost

Organic Soil & Root Boost

$17.00
$17.00
Sale Sold out
Shipping calculated at checkout.

Healthy soil is the basis to growing vibrant, thriving, and long-lasting plants. Our Organic Soil & Root Boost is a concentrated blend of Mycorrhizae, Bacillus, and beneficial soil microbes that gives life to your soil. Our easy to use shake-on granule promotes strong root development, nutrient efficiency, and biodiversity in your soil.

View full details
Fast and free shipping on most orders $75+

We offer fast and free shipping on most orders over $75 and $8.99 for orders less. Orders are typically processed within 1-2 business days and delivered within 3-5 business days unless specified. Expedited shipping options and all pricing options are available at checkout if applicable.

We accept returns within 30 days of purchase. Items must be unused and in original packaging. To initiate a return, please contact our customer service team. Refunds will be processed within 5-7 business days after we receive your return.

Comparison Shop

Comparing Shop Made Easy: Discover new Made in the USA farms and brands for the best products based on price and features. Build your cart or Gift Registry for Free Shipping over $75. Click the "compare" checkbox where applicable.