Caryopteris – Blue Spiraea, Perennials Guide to Planting Flowers

Perennial Flower Information

Press the
Flower Child and see all the photos for this plant.

Caryopteris –
Blue Spiraea

This Blue
Spiraea is another one of the good, Fall blooming plants.
It is shrubby in nature, growing from 3 feet to 4 feet
tall with small leaves and clusters of small, rich lavender-blue
flowers. It begins blooming in September and continues
until cut by the frost. The flowers are arranged in
whorls at the axils of the leaves and bloom almost the
entire length of the stem. Caryapteris Mastacauthus
(incalla) is the common species.

This plant is excellent to place in front of tall, white
flowered perennials. It is sometimes grown in pots.

It requires protection in the Winter for it is liable
to winterkill in the North, but with protection from
the cutting north winds and good drainage, it will live
through severe Winters. It requires sunshine and a sandy

The branches root easily in water. It is propagated
from seeds in the Spring or from cuttings taken from
the plant in Summer or Fall.

Free Garden Catalog