Santa Rosa: (707) 528-3500

Portland: (503) 788-GROW



The success of Grodan as the inventor of stone wool substrate and the supplier of innovative, customer-oriented cultivation solutions for the horticultural sector is largely due to the company’s focus at the needs of propagators and growers. The combination of the company’s innovative capacity and customer-oriented attitude ensures that the products and services Grodan develops are always up-to-date and guarantee the best possible cultivation performance. By offering customers the added-value they need for efficient operations in a fiercely competitive market, Grodan positions itself as their natural, professional partner: reliable, inspirational, and innovative.


There are many ways to propagate plants for indoor gardening and we have the products to help you be successful. Need some advice on propagation techniques? Ask us what we know. We know a lot about propagation. 

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  • 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!