DESCRIPTION: Butter And Sugar Siberian Iris has masses of beautiful white flag-like flowers with buttery yellow throats and edges at the ends of the stems in late spring, which are most effective when planted in groupings. The flowers are excellent for cutting. Its sword-like leaves remain green in colour throughout the season. 

BOTANICAL NAME: Iris sibirica 'Butter and Sugar'
AVERAGE MATURE HEIGHT: 70 cm
AVERAGE MATURE SPREAD: 45-60 cm
SUN EXPOSURE: Full sun to partial shade
FLOWER COLOUR: Butter yellow and white
FLOWERING TIME: Late spring to early summer
FOLIAGE COLOUR: Deep green
COLD HARDINESS: Zone 3 ( Should survive up to -39.9° Celsius )
WATER NEEDS: Average to moist
OTHER FEATURES: Border, Cut Flower, Deer Resistant, Rabbit Resistant

Landscape Attributes

Butter And Sugar Siberian Iris is an herbaceous perennial with tall flower stalks held atop a low mound of foliage. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

This plant will require occasional maintenance and upkeep, and should be cut back in late fall in preparation for winter. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. It has no significant negative characteristics.

Butter And Sugar Siberian Iris is recommended for the following landscape applications:

• Mass Planting
• General Garden Use

Planting & Growing

Butter And Sugar Siberian Iris will grow to be about 22 inches tall at maturity, with a spread of 24 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 18 inches apart. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years.

This plant does best in full sun to partial shade. It is quite adaptable, preferring to grow in average to wet conditions, and will even tolerate some standing water. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. It can be propagated by division; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.