Hartley Magazine

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

Written in United States

Growing Dahlias in Your Greenhouse

Dahlias come in many colors, shapes, and sizes, which is a major reason for their popularity. If you’re a fan of huge flowers, you can grow dinner-plate variety dahlias, with blooms up to a foot across. If compact blooms are your preference, you can grow small, pompom dahlias with tight flowers balls only about two […]

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 […]

Written in United States

Seed Starting in a Small Greenhouse

At this time of year, many greenhouse owners are getting ready to start seeds. I find that pepper seeds take up to three weeks to germinate, so I usually start them first, followed by eggplants, tomatoes, and flowers. However, there’s a problem starting heat-loving plants in a small greenhouse in late winter. The seeds of […]

Written in United States

Growing and Propagating Chrysanthemums

Stores full of beautifully mounded chrysanthemums is a sign that fall is arriving. If you buy some of these mums for a colorful fall display, you shouldn’t just toss them out when the flowers fade. Greenhouse owners can easily keep these plants going and also propagate more of them. Here’s how. First, you should know […]

Written in United States

Don’t Let Your Plants Wilt

During summer, greenhouse plants need a lot of attention. Temperatures inside a greenhouse can easily soar to over 100oF (38oC) even with all the windows and doors open. Such heat can significantly stress your plants. The problem with high heat is that it causes water in plants to get quickly depleted through transpiration. Transpiration is […]

Written in United States

Do You Have Mould in Your Greenhouse?

Step into your greenhouse. Do you feel like sneezing? Coughing? Do you have an itchy nose? These symptoms could be signs of an allergy to mould, which is a form of fungus. The moist, enclosed environment of a wintertime greenhouse that is filled with plants can be a veritable welcome mat to mould. Three main […]