Peacock Butterfly™ Charming Billy Siberian Iris

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Pinwheels of color, Peacock Butterfly™ Charming Billy Siberian Iris (Iris siberica 'Charming Billy') will amaze you with its variety of hues! Lavender-blue flags are surrounded by dark royal purple to reddish-violet falls that are splashed in streaks of gold! The color combination is striking, to say the least!

Siberian Iris forms dense clumps of upright spear-like foliage that look amazing all growing season. Often used as an ornamental grass substitute, these lush greens wave in the breeze and are the perfect vertical texture to back up the tall stems that hold these summer blooms aloft!

Charming Billy is a major butterfly and bee attractor, and looks incredible in cut flower arrangements! Forming 2 foot wide and tall clumps that readily tuck into any existing garden layout or container with ease! Featuring an extended bloom time and improved pest and disease resistance, these are low-maintenance rhizomatic perennials!

Planting and Application:

Peacock Butterfly™ Iris looks fantastic as vertical edging and low definition around the landscape! Small footprint plants readily lend themselves to any sized yard, container or balcony garden and provide you with lasting interest all growing season! Perennial and cottage borders, cutting and pollinator gardens all benefit from these moisture and sun-loving perennials!

Charming Billy looks gorgeous in a vase or mixed planting among other blue-toned perennials and adds contrast with gold-leafed shrubs or bright yellow and orange flowers. The vertical texture adds waving motion to meditation gardens and Zen gardens alike.

  • Colorful Purple/Violet & Lavender & Gold Flowers
  • Upright Green Foliage
  • Pollinator, Cutting Gardens & Edging
  • Container Gardens, Rain Gardens & Small Yards
  • Summer Blooming Perennials

#ProPlantTips for Care:

Siberian Iris rhizomes do best in full sun in cooler zones but appreciate a touch of afternoon shade in hotter climates. They prefer being planted in very well-drained soils that are consistently moist all growing season.

  • Full Sun & Part Shade
  • Prune Dead Leaves After Frost
  • Deer, Pest & Disease Resistant
  • Cold & Heat Hardy Zones 3 - 9
  • Mulch Well

Peacock Butterfly™ Charming Billy Siberian Iris is a dramatically colorful bloom that will amaze you in the garden and floral bouquets alike, if you order yours today from Nature Hills! Bareroot Iris prefers to be planted in the fall, so order your bareroot rhizomes from and we’ll ship them at the appropriate time of the year for your climate!

Buying Options for Plants

Nature Hills sells a large variety of plants with several options available. Plants are offered in both potted containers and as dormant bare root without soil. Here is a helpful resource to understand your options as you create a beautiful landscape with help from Nature Hills.

Ever wonder what a larger plant will mean for your landscape? Container Sizes are really all about the age of the plant!

Seasonally, Nature Hills offers hand selected, high quality bare root trees, shrubs and perennials. Bare root plants are sold by height from the top of the root system to the top of the plant. Plants may be taller than the height minimums.

  • Popular sizes of select trees are 1 foot, 2 feet, 3 feet, etc.
  • Popular sizes of select bare root plants is 1 foot, 18 inches, etc.

Nature Hills Container Size by Volume

Keep in mind, specific varieties and different growing conditions can affect the rate at which plants grow. Variations in size may occur.

Young Plants to 18 Months
Size Volume
2"x2"x3" Ranges from .18 to .21 dry quarts / .198 to .23 dry liters in volume
4.5" Container Equal to .65 dry quart / .72 dry liter in volume
Sprinter Pot Equal to .63 dry quart / .69 dry liter in volume
4" Container Ranges from .31 to .87 / .35 to .96 dry liter in volume
6" Container Equal to 1.4 dry quarts / 1.59 dry liters in volume
1 Quart Equal to 1 dry quart / 1.1 dry liter in volume
5.5" Container Equal to 1.89 of a dry quart / 2.08 dry liters in volume
4"x4"x5" Ranges from .8 to 1.1 dry quarts / .88 to 1.2 dry liters in volume
4"x4"x6" Ranges from 1.0 to 1.3 dry quarts / 1.1 to 1.41 dry liters in volume
4"x4"x9" Ranges from 1.1 to 2.1 dry quarts / 1.2 to 2.3 dry liters in volume
4"x4"x10" Ranges from 1.7 to 2.3 dry quart / 1.87 to 2.53 dry liters in volume
Plants 18 Months - 2.5 Years Old
Size Volume
2 Quart Equal to 2 dry quarts / 2.2 dry liters in volume
#1 Container Ranges from 2.26 to 3.73 dry quarts / 2.49 to 4.11 dry liters in volume
5"x5"x12" Equal to 3.5 to 4.3 dry quarts / 3.85 to 4.74 dry liters in volume
Plants 2 - 4 Years Old
Size Volume
#2 Container Ranges from 1.19 to 1.76 dry gallons / 5.24 to 7.75 dry liters in volume
#3 Container Ranges from 2.32 to 2.76 dry gallons / 10.22 to 12.16 dry liters in volume
Plants 3 - 5 Years Old
Size Volume
#5 Container Ranges from 2.92 to 4.62 dry gallons / 12.86 to 20.35 dry liters in volume
#6 Container Ranges from 5.25 to 6.01 dry gallons / 23.12 to 26.42 dry liters in volume
#7 Container Ranges from 5.98 to 6.08 dry gallons / 26.34 to 26.78 dry liters in volume

About Plant Sentry™

Plant Sentry is designed to protect both consumers and the nursery trade from invasive plant pests and diseases. Sites that display the Plant Sentry protection badge are protected from consumers buying and nurseries shipping material carrying invasive pests and diseases.

This proprietary eCommerce software prevents the shipment of a restricted plant to each state. The Plant Sentry system includes a shipment certification program. The Plant Sentry Compliance Officer works closely with and each nursery or fulfillment center to ensure only compliant plants are sold to customers.

Click Here to learn more

Plant Sentry


To obtain a more accurate shipment time-frame, simply enter your zip code in the “Find Your Growing Zone” box to the right. Our plants are grown all over the country and lead time on items may be different because of this. Once your order is placed, you will also receive the specific shipment time-frame information as part of your order confirmation. Once an item ships, you will receive shipment notification and tracking numbers, so you can follow along while your plant travels to your doorstep. We use FedEx, UPS, or USPS at our discretion.

Due to winter weather we have put a hold on shipping to the areas shown below in grey. You can still order now and we will ship the plant to you during an appropriate time for your zone.

*If you have found your zone already, it will be highlighted in the table below.
Color Zone Times
3 Spring 2019
4 Now
5 Now
6 Now
7 Now
8 Now
9 Now
10 Now
11 Now

Shipping Rates

At Nature Hills we handle, package and ship the products you order with the utmost care to ensure healthy delivery. Shipping and handling charges are calculated based on the tables below. Please note that some items include an additional handling surcharge, these will be noted on the item's product page.

From To S&H
0 - 19.99 24.99
20 - 49.99 29.99
50 - 69.99 34.99
70 - 99.99 39.99
100 - 129.99 44.99
130 - 149.99 48.99
150 - 150+ Approx 28%

Click here to see our full rates


Peacock Butterfly™ Charming Billy Siberian Iris Is Suited to Grow in Zones 3-9
Growing Zones 3-9
More Information
Botanical Name Iris siberica 'Charming Billy'
Type Perennial
Mature Height 24 - 28 inches
Mature Spread 18 - 24 inches
Sun Exposure Full Sun
Soil Well Drained Soil
Moisture Medium
Growth Rate Medium
Foliage Color Green
Pollinator Friendly Yes
Pruning Time Late Autumn
Fragrant Yes