Scientific Name:

Hydrangea arborescens

Common Name:

Smooth hydrangea

Scientific Name Pronounciation:

hy-DRAIN-juh ar-bo-RES-senz

Plant Type:

Shrub

Plant Hardiness Zones:

3-9

Plant Hardiness Zone(s):

Usual Size:

3-5 ft. H X 3-5 ft. W

Flower:

Flowers are borne in flat-topped clusters in summer and are white to pinkish; most of the flowers are tiny fertile flowers, but some will be sterile and have showy petals, creating a lacecap effect

Bloom Time Notes:

Late spring

Leaf:

Leaves are dark green, oval and toothed

Fruit:

A capsule

Wildlife:

Beetles and bees are pollinators of this shrub.

Natural Habitat:

Grows on wooded slopes and along streams.

Propagation:

Divide plant when dormant or by seed.

Bloom Time:

Sun or Shade:

Companion Plants:

Cultural Notes:

Smooth hydrangea (Hydrangea arborescens) grows in partial shade in average well-drained garden soil; flowering occurs on new wood, so pruning when dormant, even as much as 1-2 ft. from the ground, will encourage more flowers; it will tend to sucker over time and form a colony, so plant it where this will not be a problem.

The flowers show up particularly well in the shady areas that this plant needs.

Other Common Names: Wild Hydrangea, Sevenbark

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