&
&
&
&
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).
&
&
&
&
&
&
&
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).
&
&
&

'Dragon Slayer' Adam's Needle (Yucca hybrid) | Proven Winners® New Variety 2026

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.
Price
Regular price $3299
Regular price $3299 Sale price $3299
Save 0%
/

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

Ready to take on the wildest garden battles? Meet the 'Dragon Slayer' Yucca! This heroic perennial thrives in the harshest, sun-baked corners of your garden with minimal care. Its fierce, sword-like leaves form a stunning rosette of silvery-blue foliage that’s as tough as a knight’s armor. In early summer, watch as creamy white flowers rise from tall, graceful scapes—like nature’s very own candelabras—adding a touch of elegance to your rugged landscape. Best of all? The 'Dragon Slayer' doesn’t back down from deer or rabbits. It stands strong against them all!

A succulent at heart, this champion thrives on little water and loves rock gardens or dry soils where other plants might falter. Plant it in full sun, and this mighty Yucca will rise to its full glory—ready to tackle the toughest garden challenges and keep your space looking fierce and fabulous!

  • 24 inches tall and 30-36 inches wide at maturity
  • Scape height up to 48 inches
  • Hardy in zones 5-10, be sure to check your USDA zone to ensure success
  • Plant in part to full sun (4+ hours daily)
  • Space plants 30-36 inches apart for best results
  • Produces creamy white flowers in early summer
  • Maintains powdery blue, sword like foliage year-round
  • Great for borders, containers, focal points and landscapes
  • Resists deer and rabbits
  • Native to North America, heat tolerant, drought tolerant, salt tolerant

Care: Fertilize with Proven Winners Continuous Release Plant Food in spring. Mature plants sometimes develop plantlets near their base. These can be dug and transplanted elsewhere if desired.

Shipping Info:

  • Enjoy free shipping on orders over $175
  • Size at shipping varies by season, plant, and trimming schedules
    • Quart perennials are 5-8 in. at the time of shipment
    • 0.65 Gallon perennials are 6-14 in. at the time of shipment
    • 1 Gallon perennials are 6-24 in. at the time of shipment
  • Perennials shipped Nov-Apr will arrive dormant; perennials shipped Apr-Oct will arrive green or in bloom

Read our guide to get started with planning a garden
You may also like...
Recently viewed
Back to Trent's Grandma2