• Neon Flash Spirea Shrubs in full bloom with bright pink flowers and green leaves
  • Neon Flash Spirea Shrub in a nursery pot with pink blooms and green leaves
  • Neon Flash Spirea shrub in bloom with pink flowers purple buds and green leaves
  • Neon Flash Spirea Shrubs in full bloom with bright pink flowers and green foliage

Images Depict Mature Plants

Spirea Neon Flash

Spiraea x japonica 'Neon Flash'

Neon Flash Spirea is a low-maintenance, deciduous flowering shrub that adds texture and brilliant color to any landscape. Perfect for mass plantings or mixed shrub borders.

Sale Price $66.95 USD
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Neon Flash Spirea Shrubs for Sale Online

Neon Flash Spirea (Spiraea japonica 'Neon Flash') is a deciduous flowering shrub with neon magenta flowers and rich green foliage. It is perfect for low hedges or mass plantings and its vivid red flowers stand out against a green landscape.

The best way to ensure prolific flowering is by dead-heading old blossoms at the end of the season. Place Spirea Japonica in full sun with semi-moist soil and watch it thrive! The bright neon flowers bloom in late spring and the rich green foliage transitions to a beautiful dark burgundy by fall.


Growzone: 3-8 Spirea Neon Flash Hardiness Zones 3-8
Hardiness Zone: 3-8
Mature Height: 2 to 3 Feet
Mature Width: 2 to 3 Feet
Classification: Broad leaved flowering shrub, summer flowering
Sunlight: Full sun
Habit: Densely branched, mounding
Flower Color: True red flowers
Foliage: Dark green spring foliage turning burgundy
Soil Condition: Any well drained soil
Water Requirements: Water well until established
Uses: Extremely attractive when used as a focal point in the mixed border, mass planting, or a specimen planting

How to Care for Spirea Neon Flash

We suggest when planting your newly purchased Neon Flash Spirea that you dig a hole twice as wide as the root system but not deeper. Depending on the quality of your existing soil, you may need to add a locally-sourced compost or topsoil to the backfill soil. We do not recommend using straight topsoil or compost as a backfill soil for Neon Flash Spirea because more times than not these products will retain entirely to much moisture and will cause the root system to rot. Adding compost or topsoil will help the young feeder roots of Neon Flash Spirea Shrubs spread through the loose, nutrient-rich soil much easier than if you used solely the existing soil, which more times than not will be hard and compacted. The most common cause of plant death after transplanting is planting the new plant too deep. That is why we do not recommend planting in a hole any deeper than the soil line of the plant in the pot. A good rule is that you should still be able to see the soil the plant was grown in after back-filling the hole. Bio-tone starter fertilizer is a great starter fertilizer that provides plants with mycorrhizae fungus. It is a naturally-occurring, beneficial fungus that colonizes on the new growing roots of plants. It creates a barrier between the roots of the plant and fungus and pathogens that can cause root rot. We love this product and use it on all plants we install in our own gardens. Bio-tone is a gardener's best friend and can help guarantee your success.


Frequently Asked questions

How do I water Neon Flash Spirea Shrubs?

How do I fertilize Neon Flash Spirea Shrubs?

How do I mulch Neon Flash Spirea Shrubs?

How do I prune Neon Flash Spirea Shrubs?


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