Tall Bearded Iris (Iris 'St. Petersburg') in the Irises Database

Common names:
Give a thumbs up Tall Bearded Iris
Give a thumbs up Iris

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
Rebloom by Zone: Known To Rebloom Zone 6:-10° to 0°
Bloom Color Classification: Silver/Grey
Flower Patterns: Self
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
Fragrant
Underground structures: Rhizome
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division
Parentage: Leda's Lover X (Sky Hooks x Condottiere)
Child plants: 8 child plants

Tall Bearded Iris St. Petersburg

Photo gallery:

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
Blooms 2019 by cliftoncat Jan 6, 2020 11:00 PM 2,564
Blooms 2018 by cliftoncat Jan 2, 2019 4:17 PM 2,872
Bonnie's Bloomers 2017 by grannysgarden May 15, 2017 8:13 PM 978
Bloom Season 2017 by shizen Mar 29, 2018 1:09 PM 3,789
Iris of the day by gemini_sage Aug 14, 2019 4:31 AM 1,488
Rebloomers by bluegrassmom Dec 7, 2016 11:50 AM 138
Bloom Season 2016 - Part 2 by Lestv Jan 21, 2019 9:53 PM 1,323
"Goners" 2016 by crowrita1 Nov 28, 2016 4:19 PM 1,310
Bloom Season 2016 by coboro Jun 1, 2016 6:44 PM 1,942
Top dozen TBs to recommend to a perennial gardener: your nominations by gemini_sage Nov 19, 2017 10:29 AM 164
Let's See Some Historics by Henhouse Aug 19, 2018 12:05 AM 1,911
What did you do in the Iris garden today? by Paul2032 Jan 27, 2020 11:51 PM 17,644

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