Data specific to Irises (Edit)
Hybridizer: Monty Byers
Year Of Registration: 1989
Year Of Introduction (May Differ From Registry): 1990
Seedling Number: D232-109
Classification: Tall Bearded (TB)
Registered Height: 38 inches (97 cm)
Bloom Season: Mid
Rebloom by Zone: Known To Rebloom Zone 6:-10° to 0°
Bloom Color Classification: Silver/Grey
Bloom Color Description: Silvery violet white changing to green white in center of falls, touched yellow at hafts
Beard Color: Light violet blue, tipped yellow
Fragrance: Slight

General Plant Information (Edit)
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 9b
Flowers: Showy
Underground structures: Rhizome
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division
Ploidy: Tetraploid
Parentage: Leda's Lover X (Sky Hooks x Condottiere)
Child plants: 9 child plants

Common names
  • Tall Bearded Iris
  • Iris

Photo Gallery
Location: Home Garden
Date: 2016-09-05
Tall Bearded Iris St. Petersburg
Location: Menton, France
Date: 2017-04-11
Makes an elegant clump
Location: France
Date: 2016-03-26
Reliable multiple rebloomer
Uploaded by cliftoncat
Uploaded by GreenIris
Location: My garden, central NJ, Zone 7A
Date: 5/10/15
Iris St. Petersburg
Location: Las Cruces, NM
Date: 2017-04-07
Tall Bearded iris St Petersburg
Location: My garden, central NJ, Zone 7A
Date: 2016-05-11
Iris St. Petersburg
Location: Poilly-Lez-Gien France
"Photo courtesy of Cayeux Iris. Used with permission."

Photo courtesy of Blue J Iris. Used with permission.
Plant Events from our members
GreenIris On August 29, 2016 Bloomed
Approx. 8 blooms
GreenIris On December 15, 2015 Miscellaneous Event
Attempted to Bloom but bloom aborted due to Freeze
GreenIris On July 20, 2015 Obtained plant
Blue J Iris
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Reblooming iris St. Petersburg by Njiris May 10, 2015 10:17 PM 0

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