Neon Flash Spirea
Spiraea japonica 'Neon Flash'
Description | Bright neon red flowers appear over a long period and are offset by a neat mound of rich green foliage that becomes dark burgundy in fall. Creates a colorful low hedge or mass planting. Deciduous. |
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Light | Full sun |
Watering | Water when top 2 inches of soil is dry. |
Blooms | Late Spring through Fall |
Mature Size | Fast growing; reaches 3 ft. tall and wide. |
Deciduous/Evergreen | Deciduous |
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Special Features | Easy Care, Fall Color, Fast Growing |
Growth Rate | Fast |
Flower Attributes | Flowers for Cutting, Showy Flowers |
Landscape Use | Border, Container, Hedge |
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Flower Color | Red |
Foliage Color | Green |
Companion Plants | Weigela (Weigela); Salvia (Salvia); Coneflower (Echinacea); Ninebark (Physocarpus); Barberry (Berberis) |
Care | Grows easily in average, well-drained soils. Water deeply and regularly during the first growing season to establish an extensive root system. Feed with a general purpose fertilizer before new growth begins in spring. Remove spent blooms after flowering. Fertilize in early spring and prune up to 1/3 of growth to reshape and rejuvenate. |
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This Plant's Growing Zones: 4-9

Your USDA Cold Hardiness Zone:
Your climate may be too cold for this plant
Buy Online
This plant is not available to purchase online.
Check a local Monrovia retailer.
Buy Locally
This plant may be available in these stores:
Due to the seasonal nature of plants, availability at your local garden center is not guaranteed. Give them a call before visiting.
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101 Market 8980 Quantrelle Ave. N.e.
Otsego, MN 55330 -
14th Street Garden Center 793 Jersey Ave.
Jersey City, NJ 07303 -
3rd Avenue Floral & Greenhouse 1110 3rd Ave. West
Dickinson, ND 58601
About Us
Monrovia grows beautiful plants for every region
We have been pioneers and craftsmen in the art of growing plants for nearly
100 years. Since our founding in Southern California by Harry E. Rosedale, Sr.
in 1926, we have been absolutely dedicated and obsessed with quality.
We have been pioneers and craftsmen in the art of growing plants for nearly 100 years. Since our founding in Southern California by Harry E. Rosedale, Sr. in 1926, we have been absolutely dedicated and obsessed with quality.