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Iris Butter & Sugar

Siberian Iris
$18.95 $15.16 ea.
Order more to save! 3+ for $14.80 ea.
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Spring 2023 to
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Prolific Flowering
Butter & Sugar has creamy white standards and butter yellow falls. This Siberian Iris has medium-sized flowers on 28" sword-like stalks. Blooms profusely and is spectacular when planted in masses. Very reliable, they first flower in June, and this variety has been known to rebloom. More delicately flowered than Bearded Iris, Siberians are very adaptable and easy to grow. Equally at home in the flower border, or a moist (even bog) garden.

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Code IRBS

Patent

Plant Type Perennials

Species sibirica

Height Medium 28"

Spacing Plant 20" apart

Bloom Time Mid-Spring to Late Spring

Sun / Shade Full Sun to Half Sun / Half Shade

Zones 3-9

Soil Type Normal, Clay, Acidic

Water Needs High

Sold In Plantable Pots (3.5x3.5x4")

Special Product

Bluestone Classics

You can't go wrong with the classics! These tried and true varieties are our staff's top picks for gardeners looking for low maintenance plants that will dazzle in the border.

Special Features

  • Good for Cut Flowers
  • Deer Resistant
  • Attracts Hummingbirds
  • Winter Interest

Planting Sites

  • For a Slope or Bank
  • Humidity Tolerant
  • Shade Tolerant
  • Wet Site Tolerant

Iris General Information

Iris Sibirica are dazzling flowers that provide a bold splash of color atop narrow stems and sword-like foliage. Prized for their strong upright presentation. Sturdy flower stalks are adorned with intricately patterned flowers in rich colors. Dense root systems prevent weeds as plants grow together in large clumps. Great on banks. Idaho has restricted all potted plant material from being shipped into Idaho at this time.

Iris Plant Care

Low care plant—best to leave undisturbed. If transplanted or divided, they may take a couple of seasons to bloom again. Leave a few seed pods on for late season interest. Some self seeding may occur. Foliage develops a golden autumn color which holds into early winter. Cut down old foliage in spring.

Plantable Pots

Our plants are grown in 3.5x3.5x4” plantable pots. Made from 100% biodegradable coconut husk fibers (coir), these pots have tremendous advantages over plastic pots. With better air exchange, this "breathable" pot fosters robust root growth and reduces transplant shock since you can plant the pots directly in the ground. The pot naturally becomes part of the soil on its own over time—no composting required—and since they're made from a renewable resource that requires very little energy, they're earth-friendly too!

100% Guarantee

We offer a 100% unconditional guarantee for all our perennials to reach you in good condition and to grow. If you're not satisfied, we'll reship or refund immediately. Please don't hesitate to contact us if you have questions or concerns—we share your passion for gardening and want your new plants to thrive in your border!

Shipping Details

We use custom, earth-friendly packaging to make sure your order arrives in great condition, and we ship based on the best planting time for your growing zone (see the approximate dates below), unless otherwise indicated at checkout. If you wish, you can indicate a specific ship date during checkout.

Spring

  • Zone 3, 4: Early to Mid May
  • Zone 5: Late April to Early May
  • Zone 6: Mid to Late April
  • Zone 7: Early to Mid April
  • Zone 8: Late March to Early April
  • Zone 9, 10: Late March

Fall

  • Zone 2, 3, 4: Early September
  • Zone 5: Early to Mid September
  • Zone 6: Mid September
  • Zone 7: Mid to Late September
  • Zone 8, 9, 10: Late September to Early October

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