Contact Us

We’re Here to Help You Grow. 🌲

At Humboldt Plant Co., customer support doesn’t end when your order arrives. If you’re using TSUNAMI™ and have questions about mixing, application, timing, or how to work it into your garden routine, reach out anytime.

TSUNAMI™ customers are welcome to contact us for complimentary one-on-one guidance. We’re happy to talk through what you’re growing, what you’re seeing in your garden, and how to get the most out of TSUNAMI™.

We believe great products should come with real support from people who actually love growing plants.

Questions, concerns, or just want to talk plants? We’d love to hear from you.

For Plants. By Plants.™ 🌱