Light Needs
Mature Height
Mature Spread
Growing Zones
Spirea is one shrub that keeps surprising you with its adaptability. Rainbow Fizz™ Spirea fits into just about any garden scheme. The tiny flossy flowers in the spring make way for loads of brightly colored new foliage growth throughout the summer. Just about every color of the rainbow, besides blue, is represented on one small sized, deciduous shrub.
Spirea is exceptionally drought resistant and pest resistant. Deer and rabbits walk right on by these beauties. Planted as a low growing, informal hedge or in groups at the front of a mixed garden bed, Spireas add a pop of color throughout the spring, summer and fall.
Rainbow Fizz™ Spirea Care
Spireas really like to be in full sun. That way their foliage can be at its brightest. Average or poor texture is acceptable. Spirea grows vigorously in even your toughest situation. Soil pH is best somewhere between neutral and alkaline. Well-drained, moist soil is needed to establish Spirea. When these shrubs are well established, they are very drought tolerant. Seaside planting and windy sites are not a challenge for Rainbow Fizz™
Pruning Rainbow Fizz™ is minimal and only needed to keep the shrub tidy. The mounding growth is built into this shrub. Rainbow Fizz™ is resistant to diseases such as verticillium wilt. Fertilizing should be done early in the spring as the new leaves emerge. A well balanced, slow release feed will keep Spirea happy. Mulching with organic compost or leaves in the fall will add to the nutrition and moisture holding abilities of the soil. No more than 1-2 inches of compost should be applied at one time.
Rainbow Fizz™ Spirea Spacing
Spirea look best when planted in groups or as a low-growing hedge. Rainbow Fizz™ reaches a height of 3-4 feet and a width of 3-4 feet. Spacing is recommended at 3 feet center on center when planting in a group. Planting Rainbow Fizz™ in garden planters is very effective and makes them an extremely low-maintenance, seasonally colored container shrub. A pot with an 18 inch diameter is recommended.
Rainbow Fizz™ Spirea Plant Facts
Growing Conditions
- Hardiness ZonesGrowing Zones
- USDA Zones 3 to 8 (perennial); grown as an annual elsewhere (outdoors year-round); grown indoors elsewhere (outdoors year-round); grown in containers elsewhere (grown as a seasonal crop)
- Sun Exposure
- Part Sun to Full Sun (5+ Hours Direct Sun)
- Mature Height
- 3-4 Feet
- Mature Spread
- 3-4 Feet
- Growth Habit
- , Mounded
- Water Needs
- Average
Flowers & Foliage
- Flower Colors
- , Pink, Red
- Flower Description
- Pink, Red
- Bloom Time
- Late Spring to Summer
- Blooms On
-
New Wood
?
"Blooms on" tells you which stems produce flowers, which decides when it's safe to prune.
- New Wood: Flowers form on stems that grow this season. Prune in late winter or early spring without losing blooms.
- Old Wood: Flower buds form on last year's stems. Prune right after flowering. Pruning in fall or early spring removes next year's blooms.
- Both New and Old Wood: Blooms on last year's stems and again on new growth, so it flowers even after a hard winter or a mistimed pruning. Prune lightly after the first flush of blooms.
- When to Prune
- Late winter to early spring, before new growth starts
- Foliage Color
- , Green, Yellow
- Foliage Description
- Green, Yellow
- Foliage Type
- , Deciduous
- Seasonal Interest
- , Spring Flowering, Summer Flowering, Fall Flowering
Garden Benefits
Plant Overview
- Common Name
- Rainbow Fizz™ Spirea
- Botanical Name
- SPIRAEA 'RAINBOW FIZZ'
- Brand
- Bloomin Easy
Simple Plant Spacing Calculator
Please Note: The pictures below are to give a general representation of the different container sizes. The actual size/ages of plants are estimates and will vary based on type of plant, time of year, last pruning & many other factors.
Also Known As:
Quart
Plant Age:
~ 6 months - 1 year
Plant Size:
~ 4"-8"
Pot Size:
~ 4.75"H x 4.5"W
Volume:
1.50 quarts
Also Known As:
2.5 Quart Pot
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 8"-12"
Pot Size:
~ 6.5"H x 6.5"W
Volume:
2.20-2.30 quarts
Also Known As:
#1 Container
1 Gallon
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 10"-14"
Pot Size:
~ 7"H x 7.75"W
Volume:
2.26-3.73 quarts
Also Known As:
#2 Container
2 Gallon
Plant Age:
~ 1.5 - 3 years old
Plant Size:
~ 12"-18"
Pot Size:
~ 9.5"H x 9.5"W
Volume:
1.19-1.76 gallons
Also Known As:
#3 Container
3 Gallon
Plant Age:
~ 2 - 4 years old
Plant Size:
~ 12"-30"
Pot Size:
~9.5"H x 11"W
Volume:
2.32-2.76 gallons
Also Known As:
#5 Container
5 Gallon
Plant Age:
~3-4 years old
Plant Size:
~ 20" - 60"
Pot Size:
~11" H x 10 1/2” W
Volume:
3.5 - 4 gallons
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We want your plants to arrive in great condition! If you notice any issues upon delivery, contact us within 3 days.
Starting January 1, 2026 all bushes, perennials & trees purchased come with an extended 1-year warranty for added confidence. If your plant dies due to a health issue within a year, we’ll make it right.
Plants that are currently in stock typically ship within 2-7 business days after your order is placed.
Plant Addicts ships to the lower 48 states within the U.S. Unfortunately, we do not currently ship to Alaska, Hawaii, or internationally.
This plant cannot be shipped to the following states: AK, HI. These restrictions apply only to this specific plant due to agricultural regulations or other limitations. Other plants may still be available for shipping to these states.
If you have any questions about shipping restrictions, feel free to reach out to our team!