Photo Courtesy of Walters Gardens Inc

Iris sibirica 'Swans in Flight'

Iris, Siberian


This later blooming white variety will certainly turn your head when it blooms in early summer. Extremely large, 5" ivory white flowers are wider and fuller than the classic 'White Swirl'. Lemon yellow signals put the finishing touches on an elegant plant. When planted in mass, it looks like a blanket of white flowers.


Siberian irises are haled for their elegant, delicate flowers and disease resistance. They perform admirably in the sunny to partially shady garden, but need plenty of water throughout the season to continue looking their best. In naturalized settings, they are particularly effective around water features. They can also be grown under Black Walnut trees since they are not effected by juglone. Siberian Irises bloom before Japanese Irises but after Tall Bearded Irises.



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Height:

33 in

Spread:

18-24 in

Hardiness Zone:

3 - 9

Iris, Siberian Growing and Maintenance Tips

Siberian Irises are among the easiest and most trouble-free species to grow in their genus. They prefer full sun, though they will tolerate part shade especially in warmer zones. Plant in rich, moist soil that is moderately acidic (5.2-6.4). Deadheading this variety will not prolong its bloom.

It is best to leave these irises untouched until there is a noteable lessening of blooms. At that time, they may be divided, preferably in the fall but also in the spring. New clumps may take two or three years to become firmly established, at which time they will begin to bloom profusely. According to Steven Still, Siberian Irises are the best species of Iris for the south.

Iris sibirica 'Swans in Flight' Characteristics

Attributes

  • Mass Plant
  • Specimen
  • Border
  • Cut Flower / or Foliage

Critter Resistance

  • Deer Resistant
  • Rabbit Resistant

Exposure

  • Sun Tolerant
  • Morning Sun / Afternoon Shade

Growth Rate in the Garden

  • Medium

Season of Interest (Flowering)

  • Late Spring / Early Summer

Soil Moisture Needs

  • Average