Twinleaf is a Unique Plant for the Shade Garden

           Woodland wildflowers make excellent companions for hostas, ferns, and other shade garden plants. They thrive under these conditions, provided they get some sun in the spring when they bloom. Most prefer a rich, moist, woodland type soil. Some may be evanescent, which means that they go dormant just after seed production. These are referred …

We Can’t Survive Without Trees

            What will happen if all the world’s forests disappear? Dr. Meg Lowman, an American biologist, teacher, and ecologist, who pioneered the science of tree canopy ecology, was asked this question in 2020 after fires burned millions of acres in the Amazon, Australia, Indonesia, California, and other locations. In Australia alone, it is estimated that …

The Problems with Peat

            If you are a gardener who will either purchase a plant in a container this year or pot up annuals to place on your patio, chances are you’ll find peat in the planting mix. Peat is used for its water-holding capacity (20 to 25 times its dry weight), ability to hold and supply nutrients …

The Winter Garden

            As we approach the midpoint of meteorological winter, most of us are already looking forward to spring. Gardening catalogs and websites have been perused and orders for plants and seeds will soon be placed. Unfortunately though, it will be a long time before the first bulbs and wildflowers will make their appearance. Many think …

Phytogeography: The Geographic Distribution of Plants

  Ever since I was a graduate student (somewhere in the middle of the Jurassic period), I have been fascinated by the geographic distribution of plants, known as phytogeography. Why do many North American plants have similar Asian counterparts? There is baldcypress (Taxodium) in the Southern US and its fraternal twin, Dawnredwood (Metasequoia) in China. Flowering …