Iris sibirica ‘Caesar’s Brother’ (Blue Siberian iris)

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Iris sibirica ‘Caesar’s Brother’

Blue Siberian iris

Kingdom	Plantae	Plants, but not fungi, lichens, or algae
Subkingdom	Tracheobionta	Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division	Magnoliophyta	Flowering plants, also known as angiosperms
Class	Liliopsida	Monocots (plants with a single seed leaf); includes the lily family
Subclass	Liliidae	Includes lilies, orchids, and many others
Order	Asparagales	A diverse group that includes asparagus
Family	Iridaceae	Iris family—perennial plants that grow from bulbs—also includes crocuses, gladiolas, and the genus Moraea
Genus	Iris	Latin for “iris”
Species	sibirica	Of or from Siberia
Cultivar	‘Caesar’s Brother’

About plant names...

Siberian iris is native to central and eastern Europe and central Asia. This cultivar is popular among gardeners.

Identification: Plants are 2-3½″ (5-8.9 cm) high, with narrow, straplike leaves 1-2′ (30-60 cm) long and 1-2″ (2.5-5 cm) wide. Striking deep violet-blue flowers are 3-4″ (7.6-10 cm) across. It prefers wet soils.

Online References:

White Flower Farm

Monrovia

Weston Nurseries

Iris sibirica ‘Caesar’s Brother’ description by Thomas H. Kent, last updated 25 May 2020.

6/11/2008 · Tom and Susan’s, Pepperell, Massachusetts · ≈ 3 × 2′ (90 × 60 cm)

6/11/2008 · Tom and Susan’s, Pepperell, Massachusetts · ≈ 6 × 4″ (15 × 10 cm)

5/27/2010 · Tom and Susan’s, Pepperell, Massachusetts · ≈ 8 × 5″ (19 × 13 cm)

6/4/2013 · Tom and Susan’s, Pepperell, Massachusetts · ≈ 9 × 6″ (22 × 15 cm)

Range: Zones 3=9:

About this map...