Organic Arber Bio Protectant (16 oz)

Organic Arber Bio Protectant (16 oz) is a biological plant extract that stimulates growth and boosts plants' natural defenses to ward off disease. Formulated from knotweed (Reynoutria sachalinensis) through fermentation and extraction, it promotes greener leaves, deeper roots, and improved soil health while preventing and controlling common fungal diseases in outdoor gardens.

At a glance

• Type: Biological plant stimulant and disease protectant
• Active ingredient: Extract of Reynoutria sachalinensis (knotweed) 5%
• Size: 16 oz
• Certified organic
• For outdoor gardening
• Prevents and controls powdery mildew, botrytis, black spot, white mold, leaf spot, and rust

Best for

• Preventing powdery mildew, black spot, and botrytis
• Vegetables, roses, fruits, berries, and nuts
• Flowers, foliage, and ornamental trees and shrubs
• Boosting plant defenses and root growth
• Improving soil health
• Organic and eco-friendly gardens

How to use

Dilute per label rates and spray onto plants to coat foliage, applying preventatively before disease pressure builds and reapplying as directed. The knotweed extract triggers the plant's own defenses to resist disease while supporting greener growth and deeper roots.

About Grow Organic

Grow Organic supplies natural disease control and garden essentials to help growers keep plants healthy without harsh chemicals.

Sold by Grow Organic, based in Grass Valley, California.