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Plant of the Month

February 2000

Cassiope lycopodioides

by Iza Goroff

Cassiope lycopodioides is a member of the Ericaceae, the family which includes such diverse genera as Rhododendron, Vaccinium (cranberries, blueberries, ...), Calluna (heather), and Erica (heath). The genus Cassiope is much more similar in its characteristics to the last two genera. These are heather like plants in growth habit. All come from high alpine or arctic environments. Cassiope lycopodioides comes from the upper Pacific rim from Japan through Alaska, British Columbia, down to one location in Washington State.

Cassiope lycopodioides is a very small, slow growing evergreen shrub. It would be a feat of culture to achieve a plant of 12" (30 cm) diameter in the garden. The pictured plant is approximately life size. Its small white bells, each with its tiny red calyx, are incredibly cute.

There are three keys to successful culture of Cassiope lycopodioides. The easiest to provide is an appropriate soil: at least one third peat, one third lime free sand, and at most one third loam. That should be sufficiently acid. The next easiest key is reasonably constant moisture. The hardest to provide is a cool, but light exposure. Cassiope lycopodioides should be planted on a north facing slope with a rock on its south side blocking midday sun.

Although cassiopes can be grown from seed most commercial propagation is done from softwood cuttings taken in August or September. Mounding soil over some the bases of some of the shoots may result in layers which can be removed.

Cassiope lycopodioides has proven to be the hardiest of the cassiopes attempted in garden conditions in the upper Midwest. Cassiope mertensiana is almost as hardy. Cassiopes derived from the Himalayan species are not hardy without much snow cover.