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Fizzy Mizzy® Sweetspire Bush

Itea virginica 'SMNIVMM' PP33,549

Regular price $8258
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Plant Size

Planting & Care

Where to Plant

  • Sunlight: This versatile shrub thrives in full sun (at least 6 hours of direct light) for the most vibrant fall color and heaviest flower production. While it tolerates partial shade well, you may notice slightly fewer blooms and less intense purple foliage in the autumn.
  • Soil: It prefers moist, acidic soils rich in organic matter but is famous for its "iron-clad" ability to handle heavy clay. If your soil is extremely sandy and dry, mix in compost or peat moss to help hold onto the moisture this plant loves.

Watering Requirements

During the first growing season, provide about one inch of water per week to help the root system settle into its new home. Once established, Fizzy Mizzy is surprisingly drought-tolerant, though consistent moisture prevents the leaf scorching that can occur during extreme summer heat. Inconsistent watering often leads to smaller flower spikes and may cause the plant to drop leaves prematurely in the fall.

Pruning Tips

Since this Sweetspire blooms on "old wood" (stems created during the previous year), you should only prune immediately after the flowers fade in early summer. Think of this like a post-bloom haircut to shape the plant or remove dead wood without sacrificing next year's flower show. Pruning too late in the season removes the developing flower buds, resulting in a green but flowerless bush the following spring.

Fertilizer Needs

Apply a balanced, slow-release fertilizer or one formulated for acid-loving plants in early spring just as new growth begins. Avoid using high-nitrogen fertilizers late in the summer because this encourages tender new growth that won't have time to harden off before the first frost. This late-season growth is easily damaged by winter cold, which can invite pests or disease into the main structure of the bush.

Delivery and Shipping

Preorder Shipping Schedule

We ship your plants when it's safe to transport them to your zone. Dates are estimated and subject to weather delays.

Zone 3-4 Week of March 30th
Zone 5 Week of March 16th
Zone 6 Week of March 2nd
Zone 7 Week of February 23rd
Zone 8-12 Week of February 15th


Shipping Rates

Ships in 3-4 business days • Tracking provided • Weather protected

Under $50 $9.99
$50 - $99.99 $14.99
$100 - $149.99 $16.99
$150 - $198.99 $24.99
$199+ FREE

✓ Zone-specific timing • ✓ Professional packaging • ✓ Health guarantee

Photo courtesy of Proven Winners - www.provenwinners.com


Fizzy Mizzy® Sweetspire - A Compact, Fragrant Shrub

The Proven Winners® Fizzy Mizzy® Sweetspire USPP#33549 (Itea virginica 'SMNIVMM') is a versatile deciduous shrub celebrated for its abundant, upright white bottlebrush flower spikes that emit a gentle fragrance, attracting both people and pollinators!

Blooming in early summer, this shrub seamlessly bridges seasonal transitions, while its dense, dark green foliage maintains visual interest throughout the growing season. These native cultivars are trouble-free, flowering ornamentals with a multitude of vital bird-friendly attributes!

This dwarf Sweetspire's compact size, reaching just 2 to 3 feet in both height and spread, makes it perfect for gardens of all dimensions!

Key Features:

  • Unique Upright Blooms: The distinctive vertical flower spikes serve as striking exclamation points in garden designs.
  • Tidy, Uniform Habit: Maintains a neat, mounded form, enhancing its appeal in various landscape settings.
  • Shade Tolerance: Thrives in a range of light conditions, from full sun to full shade, offering flexibility in planting locations.
  • Fragrant Flowers: Emits a light, pleasant scent that enhances outdoor spaces and attracts pollinators like bees and butterflies.
  • Fall Interest: Foliage transitions to vibrant red hues in autumn, providing seasonal color and serving as a native alternative to burning bush.
  • Deer Resistance, Pest and Disease Resistance: Naturally deters deer, reducing the need for protective measures in the garden. This updated specimen exhibits strong resistance to common pests and diseases, reducing maintenance concerns.
  • Winter Hardiness: Suitable for USDA hardiness zones 5a to 9b, demonstrating resilience in a range of climates.

Landscaping Uses For Fizzy Mizzy® Sweetspire

Incorporating Fizzy Mizzy® Sweetspire into your landscape adds both aesthetic and ecological value. Here are some applications:

  • Foundation Plantings: Its compact form and year-round interest make it ideal for planting near home foundations.
  • Mixed Shrub Borders: Combines well with other shrubs to create layered, dynamic plantings.
  • Woodland Gardens: Performs admirably in shaded areas, enhancing understory plantings.
  • Pollinator Gardens: Attracts beneficial insects, supporting local biodiversity.
  • Erosion Control: Effective in stabilizing soil on slopes or banks, thanks to its adaptable nature.
    Containers: The dwarf form is suitable for patio or balcony gardens when planted in appropriately sized pots and mixed planters.

How to Care for Fizzy Mizzy® Sweetspire

Fizzy Mizzy® Sweetspire thrives in full sun to full shade, prefers moist, well-drained soil, requires minimal pruning, and benefits from occasional mulching and watering during dry periods for optimal growth.

  • Light Requirements: Grows well in all light conditions, from full sun to full shade. However, flower coverage and brilliance of fall color are at their best with at least four hours of direct sun exposure.
  • Soil Preferences: Adaptable to various soil types but thrives in moist, well-drained soils. Tolerates both acidic and alkaline conditions.
  • Watering: Requires average watering; maintain consistent moisture, especially during establishment.
  • Mulching ? Apply a 3-4 inch layer of mulch around the base of the shrub to retain soil moisture, regulate temperature, and suppress weeds.
  • Pruning: Minimal pruning needed; if desired, trim after flowering to maintain shape.
  • Fertilization: Generally unnecessary; if growth appears slow, apply a balanced, slow-release fertilizer in early spring.

Sweet Fizzy Garden Accents!

The Proven Winners® Fizzy Mizzy® Sweetspire is a compact, fragrant shrub that offers multi-season interest and adaptability to various light and soil conditions. Its unique upright blooms, attractive foliage, and low-maintenance nature make it an excellent choice for gardeners seeking to enhance their landscapes with native, pollinator-friendly plants.

Order now at Nature Hills and see all the ways you can use this inspiring little shrub!

Frequently Asked Questions About Fizzy Mizzy® Sweetspire

When does Fizzy Mizzy® Sweetspire bloom?

It blooms in early summer, producing abundant upright white flower spikes.

What light conditions are best for Sweetspire shrubs?

It grows well in all light conditions, from full sun to full shade, though optimal flowering and fall color occur with at least four hours of direct sunlight.

How tall and wide does Fizzy Mizzy® Sweetspire grow?

It reaches 2 to 3 feet in both height and spread, making it space-saving and easy to maintain.

Is the Sweetspire shrub deer-resistant?

Yes, it naturally deters deer, reducing the need for protective measures. ?

Does it require pruning?

Minimal pruning is needed; if desired, trim after flowering to maintain shape.

Is Fizzy Mizzy® Sweetspire suitable for container planting?

Yes, its compact size makes it suitable for containers, provided they are appropriately sized.

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