Hartley Magazine

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

Solving Your Summertime Water Woes

In summertime, it’s hot and dry in much of America for extended periods of time, but plants still need water – typically lots of it. What’s more, keeping greenhouse plants watered in these extreme conditions is made even harder when local communities impose lawn and garden watering bans to conserve their rapidly depleting water resources […]

Determinate or Indeterminate; That is The Question

What can be better than going out to your garden, picking a few sun-warmed tomatoes and enjoying them for lunch or dinner? Tomatoes are the most popular garden plant grown in America, but do you know your determinate from your indeterminate? Your heirloom from your hybrid? Or why some tomatoes have VF, A, FF, or […]

Using Biological Controls in Your Greenhouse

A while ago a gardener asked me what my greenhouse’s greatest insect problem was. I answered whitefly, which is a terrible nuisance that can easily get out of control. That conversation got me thinking about the Sisyphean task of trying to eliminate my whitefly infestation by spraying infected plants with Safer’s Insecticidal Soap. The more […]

What to Consider When Buying a Greenhouse

What should you consider when buying a greenhouse? Most people look first at the cost, then at the size, and only then at what they’d like to grow. But this order is backwards. The first consideration should always be what you want to use a greenhouse for. That decision will determine both the size and […]

Growing Vegetables in a Winter Greenhouse

With the cost of produce steadily rising, greenhouse owners may want to try growing their own vegetables this winter. Quite a few plants will continue growing in cool conditions as long as they don’t freeze. The minimum temperature in your greenhouse should be somewhere above 40°F during the night and on cloudy days, although at […]