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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).
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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).
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'Boom Chocolatta' Hardy Geranium (Geranium pratense)

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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
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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+
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Introducing 'Boom Chocolatta', a true standout for your garden! With its striking dark bronze leaves, this perennial adds a rich, dramatic contrast to the usual green-leafed plants, creating an eye-catching focal point in any landscape. Topped with vibrant blue-purple flowers, it boasts an upright habit that adds height and texture to garden beds, containers, and edges.

Not only does 'Boom Chocolatta' bring bold color, but it also attracts bees with its lovely blooms, while its deer and rabbit resistance ensures it stays looking perfect. Perfect for a variety of garden settings, this beauty is sure to make a lasting impression wherever it’s planted!

  • 24-26 inches tall and 28-30 inches wide at maturity
  • Hardy in zones 4-8, be sure to check your USDA zone to ensure success
  • Plant in part to full sun (4+ hours daily)
  • Space plants 28-30 inches apart for best results
  • Produces blue-purple flowers throughout summer
  • Maintains dark bronze foliage spring to frost
  • Great for borders, containers, edging, mass planting
  • Attracts bees, resists deer and rabbits
  • Foliage interest

Care: Fertilize with Proven Winners Continuous Release Plant Food in spring. Cut back after blooming to encourage new growth.

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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