Hartley Magazine

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

Written in United States

Repotting Cymbidium Orchids

Cymbidiums are beautiful flowering plants in the orchid family, featuring many showy flowers arranged on unbranched stems. For the winter greenhouse these orchids are a favorite. They are also very popular as cut flowers during the winter months. Typically, they come into bloom in late January through March when little else is in bloom. When […]

Written in United States

Avoid Overheating Your Greenhouse

Here in Rhode Island, this summer has been one of the hottest on record, with more 90˚F (32˚C) days than ever before. Such high temperatures can easily overheat a greenhouse. If you’ve ever left your greenhouse doors and windows closed on a hot, sunny day, you may have seen the temperature soar above 120oF (49oC), […]

Written in United States

Greenhouse Cacti and Succulents

Cacti and succulents are plants with thick, fleshy stems and leaves that have evolved to store water in dry climates. In recent years, they have become enormously popular for house plants. You see them for sale everywhere, including most big-box stores. Some of the most common varieties are aloe plants, jade plants, sempervivum, kalanchoes, agaves, […]

Written in United States

Greenhouse Tables and Work Benches

For some greenhouse owners finding space for potted plants can be difficult. Shelving attached to the greenhouse structure can usually only support a few small plants. It is not recommended that you attach shelves to the structure. Many greenhouse structures are designed to support the glazing and to resist wind loads rather than carry heavy […]

Written in United States

Buying a Small Greenhouse: What You Need to Know Before You Buy

Small greenhouses – those under, say, 50 ft2 (4.65 m2) – often have great appeal because finding space for them is less of an issue. But still, even a small greenhouse can be a significant financial investment, and most gardeners want to get good value for their money. To help maximize that value, there are […]

Written in United States

Do You Want to Buy a Greenhouse?

After twenty years or so of giving talks and lectures about greenhouses and plants, I have found that there are a few questions that potential owners often ask. Probably the most common question is, ‘How large a greenhouse should I buy?’ If the questioner is an experienced gardener, my answer is, “Buy the largest greenhouse […]

Written in United States

Starting Out With Orchids

Orchids are probably the largest genus of flowering plants with nearly 30,000 species. Because these plants are fairly easy to hybridize there are somewhere around 100,000 hybrids. Orchids grow almost all over the world, yes, even in the arctic circle, but mostly they grow in tropical rain forests. That said, orchids can be found in […]

Written in United States

Greenhouse Heating Part 3: Keeping heat inside

Heating a greenhouse can be expensive over a long, cold winter, and not just at night. Winter sunshine doesn’t provide a huge amount of heat, and the cold air outside lowers greenhouse temperatures even more. Inside my greenhouses here in New England, summer temperatures outside can easily soar to over 100˚F, but during winter the […]