Archive for December 2013

Plants of the Week: December 16

A mature blue atlas cedar, lightly top-dressed with snow, is a glorious sight. Native to the Atlas Mountains of Northern Africa, Cedrus atlantica grows 40’ to 60’ tall; however, heights of up to 120’ have been documented. Young trees are loosely pyramidal, becoming wide and flat-topped with age. Needle color ranges from varying shades of green to silvery blue. The Missouri Botanical Garden’s website explains the terminology of Glauca Group: “Glauca Group attempts to deal with this variety in needle color by lumping all of the various blue-needled plants into one group. Prior designations such as C. atlantica ‘Glauca’ and …

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Plants of the Week: December 9


Asclepias, commonly known as milkweed, is an important nectar source for bees and other nectar-feeding insects. Asclepias tuberosa serves as the larval food source for the monarch butterfly. Other insects, specialized in digesting the milky sap, also feed on various species of milkweed. Asclepias seeds are arranged in overlapping rows. Each seed has several filament-like hairs known as pappus attached to it. As the follicles ripen and the seed pod splits open, dried pappi fluff up, ready to catch the wind and distribute the seed. Photo credit: J. Coceano

Garden location: Biostream


Native to Eastern North America, …

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Lets Get Visual

Check out this great picture step-by-step guide to planting a winter container. This article features the collaboration between the Delaware Center of Horticulture and Scott Arboretum. Learn some tricks of the trade!

Need winter container plants and accents? Come to the Holiday Greens Sale on Saturday, December 7.…

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