Hartley Magazine

All the latest news, hints, tips and advice from our experts

Written in United States

Fertilizing Greenhouse Plants

Because potting mediums rarely provide enough nutrients for long-term growth, most greenhouse plants need fertilization. Plants three main macronutrients (those needed in relatively large amounts) are nitrogen (N), phosphorus (P), and potassium (K). On the fertilizer package, the proportion of each is given by a numerical ratio, with the order always being N to P […]

Written in United States

Fine Gardening with a Greenhouse

For many gardeners, owning a greenhouse is the epitome of fine gardening. Not only does a greenhouse enable you to cultivate plants throughout the year; it also allows you to grow plants that otherwise wouldn’t survive in your climate. Desert plants, alpine plants, rainforest tropicals, and more are all possible no matter where you live […]

Written in United States

The Potting Shed

If you own a greenhouse, where do you keep your tools and supplies, such as trowels, rakes, scoops, shears, pots, potting soil, fertilizers, pesticides, cleaning gear, and other necessities? All these things collectively take up a lot of space, especially in a small greenhouse. Clutter inside a greenhouse competes with and detracts from the plants, […]

Written in United States

Grow Your Own Asian Herbs and Spices for Dinner

I recently cooked a Thai dinner with ingredients from my greenhouse, including kaffir lime leaves, galangal, lemongrass, Thai basil, and Thai hot peppers. Here are tips on growing each. Kaffir lime is a small tree with serrated leaves that are chopped or sliced into tiny slivers. To harvest these leaves for Asian meals, buy a […]

Written in United States

Window Cleaning and Maintenance

When summer arrives in Rhode Island, I move everything out of my greenhouse in preparation for a cleaning blitz, including window cleaning. It’s easy to clean the outside of the windows year-round because no plants are in the way. But when the greenhouse is full, cleaning the inside of the windows is difficult because access […]

Written in United States

What Garden Tools Are Best in a Greenhouse?

One of the first things you learn when working in a greenhouse is that long-handled tools can be a problem in such an enclosed space. While the tool’s working end is where you want it, the other end may knock pots off shelves, damage plants, or even break window panes. The only long-handled tool I […]