Hartley Magazine

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

Written in United States

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 […]

Written in United States

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 […]

Written in United States

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 […]

Written in United States

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 […]

Written in United States

Keeping Mandevilla in Your Greenhouse

Mandevilla, with their numerous, large, brilliantly colored flowers, are highly prized for the tropical look they give to summertime decks and patios. Knowing that these plants originate from South America, mostly Brazil, gives a clue to the conditions they prefer – warm temperatures and plenty of sunshine. In general, mandevilla need at least six or […]

Written in United States

A Country Garden Starts in the Greenhouse

A month or two ago, I was watching an English whodunnit and was impressed by the country gardens where the story took place, so I decided that this year I would expand my English country-style flower garden. I purchased seeds for hollyhocks, cleome, rudbeckia, coreopsis, primrose, and columbine and planted them in my basement germination […]