Tall Bearded Iris (Iris 'Joshua') in the Irises Database

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

Data specific to Irises (Edit)
Hybridizer: Samuel Burchfield
Year Of Registration: 1923
Year Of Introduction (May Differ From Registry): 1923
Classification: Tall Bearded (TB)

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

Discussion Threads about this plant
Thread Title Last Reply Replies
Crazy idea? by lilpod13 Nov 13, 2019 11:23 PM 18
Best spreadsheet.... by evelyninthegarden Oct 13, 2019 10:15 PM 17
Mid-America Surplus Sale by cbunny41 Sep 23, 2019 10:47 AM 105
Are you having trouble with your Brother P-Touch labelmaker? by evelyninthegarden Aug 6, 2019 9:38 AM 6
Iris care by EveGilly Aug 12, 2019 6:09 PM 20
My 2019 Northern Blooms by Lbsmitty Jun 29, 2019 10:06 PM 199
Hybridizers and Their Iris by urania1 May 25, 2019 7:42 PM 25
Different ways to freeze pollen. by SonoveShakespeare May 26, 2019 2:00 AM 5
Mosaic Virus in Irises by FullyWashable Nov 11, 2019 4:41 AM 31
Iris cross pollination by sallysmom Aug 3, 2019 1:30 PM 11
Identification and MISidentification by meddjay Oct 1, 2019 11:56 PM 13
California Dreaming.... by evelyninthegarden Nov 17, 2019 4:45 AM 1,038
Bonnie's Bloomers a.k.a. Fellowship of the Garden by grannysgarden Oct 14, 2019 10:04 PM 1,392
posters on this iris forum, add your name by Hybridizer Feb 16, 2019 2:03 PM 28
Blooms 2019 by cliftoncat Nov 17, 2019 6:54 AM 2,486
Monty's Blue Ridge Gardens by UndyingLight Nov 17, 2019 6:27 AM 708
Iris lovers and pet lovers... by evelyninthegarden Aug 2, 2019 2:58 PM 170
Early Bloom season by javaMom Aug 30, 2018 1:47 PM 50
Your 2019 order wish list by creativeclover Sep 3, 2018 9:41 AM 60
Starting Iris seeds.... by evelyninthegarden Nov 16, 2019 2:57 AM 454

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