Neon Flash Spirea

Botanical Name: Spiraea japonica ‘Neon Flash’

Common Name: Neon Flash Spirea

Mature Height and Width:
2–3' tall × 3–4' wide

Growth Habit: Compact, rounded deciduous shrub with dense branching and moderately upright stems. Broader than tall with a structured mounded form. Moderate growth rate.

Foliage Description: Narrow oval to lance-shaped leaves; medium green during growing season. Fine-textured foliage with dense canopy coverage.

Flower Description: Flat-topped corymb clusters of vivid deep pink to reddish-pink flowers borne at stem tips. Clusters moderately sized and more intensely colored than ‘Anthony Waterer’.

Bloom Time: Late spring to mid-summer; may lightly rebloom if pruned.

Fall Color: Burgundy to reddish tones, variable.

Light Requirements: Full sun for strongest bloom intensity and compact form.

Hardiness Zone: USDA Zones 4–8

Notable Landscape Uses:
Foundation planting; low hedge; mass planting; perennial border companion; color accent in mixed beds; walkway edging.

Deer Resistance: Moderate
Tender new growth may be browsed under heavy pressure, though plants generally recover due to dense branching.