USA & Canada Issues
The truth about temperature: learn about heat stress and killing cold, vapor pressure deficit, and what to do about powdery mildew in the garden.
Take control of your grow with tips on lighting, supplements, and the garden’s ultimate environment. Also, learn about the not so sweet side of sugar.
Looking to take your growing techniques to the next level? Read about oxyfertigation, the good bugs every garden needs, and how to grow avocados.
From clay pebbles and coco coir to peat moss and Rockwool, this issue digs into the world of substrates. Also, find out how to make your own soil.
Does a plant know the difference between organic and synthetic? Urban roof gardens are all the rage, and green manure, an awesome tool for any grower.
Battling fungus gnats? We can help with that. This issue also has tips for growing big in small spaces and more about the history of hydroponics.
Learn all about the Haber Process and the holy grail of gardening, NPK. Recipes for compost tea and fertilizers, and guides for growing giant veg.
This issue offers tips for pest and disease control through fertility, more from the history of hydroponics series, and a tribute to Abram Steiner.
It’s an ancient way to grow: read about the history of hydroponics. Also, find out how to select a greenhouse and why phosphorus and potassium matter.
The tree of knowledge: we may have no choice but to grow without soil by 2075. Urban agriculture on the rise and hydro chillies are hotter than ever!
Is there a life force in the garden? Follow our easy guide from growing kale, and learn about fermentation and why reflectors really matter.
Planting by the moon is tried and true; learn how to do it! Read about proper watering techniques, industrial hemp, and find out if plants really talk.
Learn the ins and outs of horticultural lighting, the difference between synthetic and organic nutrients, and the growing GMO controversy.
In this issue, read about a former prisoner doing time in the garden, why you need to check your grow room daily, and tomorrow’s tastiest tomato!
Want to improve your growing techniques? We can help you maximize yield in containers, treat your soil right, and brush up on your mothering skills.
Living food pantries ensure you always have fresh food! Learn how to grow mini food, wheatgrass, and rosemary. Also, America’s dirtiest lawyer.
Think micro for macro results in the garden! Learn about striking a perfect balance while growing, window farming, and hydro setups for small spaces.