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Blue Mist Spirea (Caryopteris × clandonensis) in bloom
Photo: Ziegler175, CC BY-SA 3.0 via Wikimedia Commons

Shrub

Blue Mist Spirea

Caryopteris × clandonensis

A late-summer haze of blue that bees can't leave alone, on a compact aromatic shrub.

  • Pollinator
  • Deer-resistant
  • Fragrant

Quick facts

Hardiness
USDA zones 5–9
Water
Low once established
Sun
Full sun
Size
24–36 in. tall × 24–36 in. wide
Bloom & interest
Fluffy blue flower clusters in late summer and early fall over aromatic gray-green leaves
Plant type
Shrub
Native range
Not native to the US (non-invasive garden plant)

Why we recommend it

Late-season blue bloom when few shrubs flower, heavy bee traffic, and good drought tolerance on a compact, deer-resistant shrub. (Not a true spirea; also called bluebeard.)

Best regions: Front RangeGreat BasinHigh DesertTexas

How to grow it

Watering to establish

Water weekly the first summer; afterward every 2–3 weeks in hot weather.

Pruning

Cut back hard (to 6–12 in.) in spring once new buds show; it blooms on new wood and dies back in cold winters anyway.

Soil

Well-drained soil; a crown that stays wet in winter is the main cause of loss.

Pairs well with

Read more

Where to buy

Shop Blue Mist Spirea from trusted growers. For the best selection of xeric plants, try a mail-order specialist or ask a local independent nursery.

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Sources

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