July 6, 2026

New for the backyard herb garden: cannabis

Martha Ross, Bay Area News Group

“From her postage-stamp-sized backyard near the BART tracks, Penny Barthel is growing a revolution. About 10 years ago, the longtime educator, gardener, author and foodie began to raise cannabis in her lush, colorful kitchen garden in Albany. A novice to cannabis, Barthel’s project was as extension of her love of “messing around with herbs” to formulate new recipes. She also wanted to help a friend grow the plant for a loved one with stage 4 cancer.” (read more)

June 12, 2026

How to Make CBD Chocolates: a Berkeley Herbal Center Workshop

Jeff Greenwald, for Craftsmanship Magazine

“The Berkeley Herbal Center is a fragrant Brigadoon, tucked among trees and strollers on the edge of Berkeley’s Strawberry Park. Established in 1995, the Center purports to be “one of the few combined herbal schools, clinics, and plant medicine-making locations in the United States.”

As such, they offer frequent classes and workshops, including Weeds as Medicine, herb walks, and An Introduction to Herbalism. To get a hands-on sense of one aspect of the craft, I signed up for a short morning class called CBD Chocolates with Penny Barthel. “Join us to make delicious, custom-dosed CBD chocolate hearts. All equipment and ingredients are included.” What’s not to love?” (read more)

June 10, 2025

Cannabis in the Garden

A Conversation with Michel Navedo and Penny Barthel

Homegrowers International Podcast

Last Friday on our 4:20 Live, I had the absolute pleasure of speaking with

Penny Barthel, author of “The Cannabis Gardener” and founder of the cannabis education company, “Wondering About Weed.” Penny’s bridging the gap between mainstream horticulture and home cannabis growing, drawing on her lifelong passion for gardening to help others understand how to grow this beautiful, beneficial plant at home.

November 29, 2024

A Green Take on Black Friday: DIY Cannabis Gifts

Just Say Know with Maria

NBC’s Radio & TV KCAA
1050 AM/106.5 FM

November 29, 2024

September 26, 2024

I grew my first outdoor pot plants in L.A. It’s harvest time. How what?

By Adam Tschorn, Senior Features Writer

Podcast Ep. 24

What I know so Far

In this episode I invited Penny Barthel, author of ‘The Cannabis Gardener,’ to discuss her journey from traditional gardening to becoming a prominent figure in the cannabis education field. Penny shares insights about her evolving perceptions of cannabis, driven by personal experiences and scientific curiosity.

May 26, 2024

LA Times

Motivated by a desire to demystify and destigmatize growing hemp and cannabis at home (and funded in part by a USDA grant), Emily Gogol (head gardener of Oregon-based Grow It From Home) and Penny Barthel (author of “The Cannabis Gardener” and Bay Area co-founder of the educational website Wondering About Weed) have been helping aspiring ganja greenthumbs across the Southland get their grow on since earlier this year.

Article from the May 26, 2024 edition of the LA Times

Penny Barthel & Haley Nagasaki

A Beginners Guide to Growing Cannabis with Penny Barthel

Penny Barthel, author of The Cannabis Gardener, shares her cultivation practice.

Vol. 8, No. 3

Grow Magazine

My first feature article for Grow Magazine, Vol. 8, No. 3. In this article I explore some of the joys and challenges of growing cannabis in the garden.

Johanna Silver

Growing Weed in the Garden

Penny is a featured cannabis gardener in this charming book by Johanna Silver. Growing Weed in the Garden: a No-Fuss, Seed to Stash Guide to Outdoor Cannabis Cultivation (Abrams, 2020)

Kaisha-Dylan McMillan

Q/A in MJ Lifestyle

Q/A with Home Cultivation Queen Penny Barthel by Kaisha-Dyan McMillan in MJ Lifestyle IV, Summer 2020

Sunset Magazine

Living Laboratory

Sunset magazine article featuring Penny BarthelLiving Laboratory by Johanna Silver, Sunset Magazine, May 2017

Kitchen Toke V5 N1

Kitchen Horticulturist

Penny was featured in KitchenToke, Volume 5, Number 1. Penny’s cannabis kitchen pursuits and learn how to make delicious, low dose Vanilla Bean Gummy Bears.