Luminary &
Luminary® &
A size chart showing 4 different options for Perennial Plants: 4.5" Eco+ Elite (5-8" plant height, 4.5" pot width, 5" pot height); 0.65 Gallon (6-14" plant height, 6.5" pot width, 6.5" pot height); 1 Gallon (6-24" plant height, 6.5" pot width, 7.13" pot height); 2 Gallon (18-28" plant height, 8.88" pot width, 9.38" pot height).
Luminary &
Luminary &
Luminary &
Luminary® &
Luminary® &
Luminary® &
Luminary® &
Luminary &
Luminary® &
A size chart showing 4 different options for Perennial Plants: 4.5" Eco+ Elite (5-8" plant height, 4.5" pot width, 5" pot height); 0.65 Gallon (6-14" plant height, 6.5" pot width, 6.5" pot height); 1 Gallon (6-24" plant height, 6.5" pot width, 7.13" pot height); 2 Gallon (18-28" plant height, 8.88" pot width, 9.38" pot height).
Luminary &
Luminary &
Luminary &
Luminary® &
Luminary® &
Luminary® &
Luminary® &

Luminary® 'Ultraviolet' Tall Garden Phlox (paniculata)

Please select Size and Ship Week to view correct pricing and availability.

You can only choose one Ship Week per order for all plants in order to check out.
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Regular price $3799
Regular price $3799 Sale price $3799
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How Does Proven Winners® Measure Plant Sizes?

We list our plants by container size, which reflects the amount of soil and root growth each plant has when it ships. Actual plant height and width vary by variety and season, and many plants grow quickly as the weather warms.

To help you understand what to expect, refer to our size guide below. You can also find each plant’s approximate arrival size and mature size on its product page.

How Does Proven Winners® Measure Plant Sizes?

We list our plants by container size, which reflects the soil volume and root growth each plant has at shipping. Actual height and width vary by variety and season, and many plants grow quickly as temperatures warm.
 
For a quick reference, check the size guide below—you’ll also find each plant’s estimated arrival size and mature size on its product page.

How Does Proven Winners® Measure Plant Sizes?

We list our plants by container size, which reflects the soil volume and root growth each plant has at shipping. Actual height and width vary by variety and season, and many plants grow quickly as temperatures warm.
 
For a quick reference, check the size guide below—you’ll also find each plant’s estimated arrival size and mature size on its product page.

Plant Height By Container Size

This chart highlights the typical heights for each size category while also showing how container sizes compare, giving you a clear, straightforward way to understand plant size at arrival and choose the best fit for your gardening needs.

This chart shows typical plant heights and compares container sizes, helping you quickly understand arrival size and choose the best fit.

Plant height size guide chart consisting of eco+ grande, eco+ elite, Combination, Royale, 0.65 gallon, 1 gallon, 2 gallon

Soil Volume By Container Size

This chart shows the typical soil volume for each container size, listed in both imperial and metrics units for easy comparison.

Soil volume size guide chart consisting of eco+ grande, eco+ elite, Combination, Royale, 0.65 gallon, 1 gallon, 2 gallon
Supertunia Vista® Paradise Petunia and ColorBlaze® Strawberry Drop Coleus planted together in a garden

Proven
Winners®
Annuals

Perovskia Denim 'n Lace & Tecoma Chicklet Orange planted in the ground

Proven
Winners® Perennials

Up close photo of Invincibelle smooth hydrangea

Proven
Winners®
Shrubs

Proven winners supplies on a table consisting of proven winners water wise, fertilizer, and tubing

Proven
Winners®
Supplies

Proven Winners® Annuals

Proven Winners® Perennials

Proven Winners®
Shrubs

Proven Winners®
Supplies

Orders placed before 11am ET will ship same day. Orders placed after 11am ET will ship next day. Annual orders ship Monday – Wednesday. Perennial, Shrub, and Hardgood orders ship Monday – Friday.
  • Free Shipping $175+
  • Happy Gardener Guarantee
  • Secure Payments

Prepare to be dazzled by Luminary® 'Ultraviolet' Tall Garden Phlox! With vibrant magenta-violet flowers that bloom all summer long, this beauty forms perfectly defined panicles that catch the eye. Its tall, upright growth makes it a stunning "thriller" in containers or as a striking focal point in the landscape.

But it's not just about looks – this fragrant perennial is a pollinator magnet, inviting bees and butterflies to visit all season. Plus, it's native to North America and boasts impressive disease resistance, making it both a tough and beautiful addition to your garden. With Luminary® 'Ultraviolet', you’ll enjoy color, fragrance, and wildlife-friendly charm all summer long!

  • 32-36 inches tall and 28-32 inches wide at maturity
  • Hardy in zones 3-8, be sure to check your USDA zone to ensure success
  • Plant in part to full sun (4+ hours daily)
  • Space plants 28-32 inches apart for best results
  • Produces magenta violet flowers summer through fall
  • Maintains bright green foliage summer through fall
  • Great for borders, containers, cut flowers, landscapes, mass plantings
  • Attracts bees, butterflies and hummingbirds
  • Fragrant, disease resistant, native to North America, long blooming, rebloomer

Care: Grows best in consistently moist, well-drained soil and full sun. Fertilize with Proven Winners Continuous Release Plant Food in spring and mid to late summer.

Shipping Info:

  • Enjoy free shipping on orders over $175
  • Size at shipping varies by season, plant, and trimming schedules
    • Quart perennials are 5-8" tall at shipment 
    • 0.65 Gallon perennials are 6-12" tall at shipment 
    • 1-Gallon perennials are 6-24" tall at shipment

Read our guide to get started with planning a garden
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