Skip to content
Log inStart trial

Neon Flash Japanese Spirea

Spiraea Japonica 'Neon Flash'

Design with this plant

Overview

The Spiraea japonica 'Neon Flash' is a vibrant deciduous shrub with brilliant red-pink blooms in summer. Thriving in USDA zones 4-8, it matures at 2-3 feet in height and spreads to an equal width. This variety requires full sun to partial shade and versatile soil conditions. Its compact nature suits borders or foundation plantings, offering a pleasing contrast against green foliage. Prune for shape post-flowering to promote new growth.

Sun Full, HalfWater MediumZones 3–10Type ShrubClimate Temperate
Neon Flash Japanese Spirea (Spiraea Japonica 'Neon Flash') — The Spiraea japonica 'Neon Flash' is a vibrant deciduous shrub with brilliant red-pink blooms in

Culture

Sun
Full, Half
Water
Medium
USDA zones
3–10

Shape & size

Mature height
2–3 Ft.
Mature width
3–4 Ft.

Classification

Type
Shrub
Family
Rosaceae
Climate
Temperate

See full data, regional cultivation notes, and design tools. Build a client presentation around this plant.

Start your 14-day trial

Photos

Neon Flash Japanese Spirea (Spiraea Japonica 'Neon Flash') — The Spiraea japonica 'Neon Flash' is a vibrant deciduous shrub with brilliant red-pink blooms in

Photograph: David J. Stang, CC BY-SA 4.0 · source

Related plants

20Th Century Pear (Pyrus Pyrifolia 'Nijisseiki') — Revered for its prolific white blooms in spring and lustrous green foliage

Tree

20Th Century Pear

Pyrus Pyrifolia 'Nijisseiki'

FullUSDA 4–8
Adelaide Hoodless Rose (Rosa 'Adelaide Hoodless') — The Rosa 'Adelaide Hoodless', commonly known as Adelaide Hoodless Rose, is a robust, winter-hardy shrub rose

Shrub

Adelaide Hoodless Rose

Rosa 'Adelaide Hoodless'

FullUSDA 5–9
Alderleaf Mountain Mahogany (Cercocarpus Montanus) — which are followed by distinctive feathery plumes that are the fruit

Shrub

Alderleaf Mountain Mahogany

Cercocarpus Montanus

FullUSDA 4–6
Allegheny Serviceberry (Amelanchier Laevis) — These are relished by birds and can be used in jellies and pies; typically about 3/4 to 1 inch in diameter

Shrub

Allegheny Serviceberry

Amelanchier Laevis

FullUSDA 4–8
Alpine Lady'S-Mantle (Alchemilla Alpinia) — It features softly lobed, gray-green leaves with silvery undersides that create a striking ground cover; this plant

Ground cover

Alpine Lady'S-Mantle

Alchemilla Alpinia

HalfUSDA 4–7
Amanogawa Japanese Flowering Cherry (Prunus Serrulata 'Amanogawa') — which provide a powerful visual impact

Tree

Amanogawa Japanese Flowering Cherry

Prunus Serrulata 'Amanogawa'

FullUSDA 6–9