Santa Rosa: (707) 528-3500

Portland: (503) 788-GROW


Nutrients / Additives

Plants need nutrients to grow and thrive. To maximize your plant growth and yield you will need to provide more than one fertilizer. Our selection will help your plants optimize their growth and production. Not sure which nutrient or additive to use? Ask us, we love to garden.

We carry the following brands

  • BioAg

    BioAg is a world leader in the technology and application of humate derivatives including fulvic...

  • Botanicare

    As Hydroponics experts, Botanicare is dedicated to providing you with superior products with...

  • Canna

    Each CANNA product has been lovingly created to offer you the greatest yields possible when using...

  • Dutch Master

  • DynaGro

    Whether you're a hobbyist with a couple of houseplant's or a commercial grower with hundreds of...

  • Fox Farm

    FoxFarm is a small, family-run business dedicated to producing the finest quality garden products...

  • General Hydroponics

    A leading innovator in the field of hydroponics with factories in North America and Europe...

  • Harvest Moon

  • HydroDynamics

    Since 1997, Hydrodynamics International has been traveling the globe searching for the very best...

  • Hygrozyme

  • Optic Foliar

    Optic Foliar's mission is to manufacture the highest-quality and best-performing foliar sprays in...

  • Roots Organic

    Roots Organics Natural and Organic Potting Soil is an indoor & outdoor gardening media is a...

  • The Guano Company

  • XTreme Gardening

    In 2008, the idea for Xtreme Gardening came about, inspired by the Xtreme Gardeners: competitive...

  • The Garden Spout in Santa Rosa, CA

    Location Map

    1236 Briggs Ave Santa Rosa, CA

    (707) 528-3500

    Store Hours: 9:30 AM - 6 PM Mon-Fri | 10 AM - 5 PM Saturday | Closed Sunday

    Have any questions? Let us know!

  • The Garden Spout in Portland, OR

    Location Map

    4532 SE 63rd Portland, OR

    (503) 788-GROW

    Store Hours: 10 AM - 7 PM Mon-Fri | 10 AM - 6 PM Sat-Sun

    Have any questions? Let us know!