Erysimum
Hardy Annual 18 inches.
Flowers yellow or orange, July and August.
An easily grown annual forming compact tufts
covered with flowers resembling those of a Wallflower.
Erysimum Arkansanum is bright yellow; Erysimum Perowskianum,
orange.
Both should be sown in the open about
the beginning of April, in patches, and thinned
out in good time.
Erysimum may also be sown at
the end of August, to stand the winter and bloom
early the next summer.
Besides these two annual
kinds, there are several perennial sorts, not
much grown, suitable for rockeries and well-drained
soils. Of these the best is Erysimum pulchellum, light
yellow.
By some growers Cheiranthus alpinus, the
Alpine Wallflower, is called an Erysimum.
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