Agrowinn® Organic Fertilizers

Agrowinn® Fertilizers

It's only natural!™

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Agrowinn® Products For Tree Farmers

Tree Growing Success

Chinese Drake Elm Trees
Growing successes using Agrowinn Worm Castings.


Two and three year old Chinese Drake Elm trees. The small tree was fertilized with Miracle Gro.
This is the same chemically fertilized Drake Elm that is now 4 years old. The back trees are grown with Agrowinn Worm Castings.

Looking for a Better way to Grow Plants?

Call George Spoerri at 1-888-794-3674

Member of: CAFF, SCTC

We accept Visa and Mastercard

Spoerri, Inc.
1422 Calle Christopher
Encinitas, CA 92024
888-794-3674
Fax: 760-632-9695