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■(TB) 'Gertrude'

1907, Peterson

'Gertrude' (William A. Peterson, 1907) TB. Midseason bloom. Color Class-B1M.

See below:
Gertrude.JPGgertrude01.JPGgertrude02.JPGgertrude03.JPGgertrude04.JPGgertrude040.JPGgertrude042.JPGGertrude1.JPGGertrude2bhi.JPG

References:

From Fryer's catalog, 1912: Standard and Falls rare violet-blue, very beautiful; early bloom; very large; fine shape. Fragrant. 30¢.
From Indian Spring Farms catalog, 1927: GERTRUDE (Peterson 1907) 6.5. A blue-purple self of Pallida form that is early, free-flowering, and vigorous. 36 inches. This is a better Iris than its rating would indicate, and is the most satisfactory deep blue of all the earlier introductions. 25 cts. each; 60 cts. for 3; $2.00 per doz.
 

Culture

Quick Summary of Cultural Directions

FURTHER CULTURAL INFORMATION Sort
Hardiness Zones 4-8 for most varieties, Some cultivars tolerate colder, others tolerate warmer zones (please comment in comment box with your location if this cultivar grows well in zone 3, 4, 9, or 10.)
Exposure Prefers full sun for optimal performance, may still bloom in half-day shade
Water: Prefers well drained good garden soil, Tolerant of dry conditions in established plants, Intolerant of swampy conditions.
PH Prefers Neutral to basic solis 6.1 to 8.5, quite toleranr of more extreme conditions
Fertilizer Prefers rich conditions on relatively inorganic soils.

-- BobPries - 2011-03-07

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Your Observations Are Valued. Please make note of bud count, branching, purple based foliage and bloom time, etc. Because these are affected by climate, note date, year and geographic location and write these and other comments in the comment box below.

 

-- BobPries - 2011-03-07
I Attachment Action Size Date Who Comment
Gertrude.JPGJPG Gertrude.JPG manage 1 MB 28 Jun 2019 - 18:57 Main.Harloiris Photo by John Black, zone 4 Montana
Gertrude1.JPGJPG Gertrude1.JPG manage 3 MB 28 Jun 2019 - 18:58 Main.Harloiris Photo by John Black, zone 4 Montana
Gertrude2bhi.JPGJPG Gertrude2bhi.JPG manage 1 MB 15 Oct 2016 - 13:43 BetsyHiggins Photo by Mary Hess-Bluebird Haven Iris Garden
gertrude01.JPGJPG gertrude01.JPG manage 585 K 17 May 2018 - 03:19 TerryLaurin Photo by Nancy McDonald-The Pickle Barrel Collection.
gertrude02.JPGJPG gertrude02.JPG manage 513 K 17 May 2018 - 03:21 TerryLaurin Photo by Nancy McDonald-The Pickle Barrel Collection.
gertrude03.JPGJPG gertrude03.JPG manage 561 K 17 May 2018 - 03:22 TerryLaurin Photo by Nancy McDonald-The Pickle Barrel Collection.
gertrude04.JPGJPG gertrude04.JPG manage 128 K 26 Dec 2021 - 16:45 TerryLaurin Photo by Nancy McDonald-The Pickle Barrel Collection.
gertrude040.JPGJPG gertrude040.JPG manage 149 K 26 Dec 2021 - 16:45 TerryLaurin Photo by Nancy McDonald-The Pickle Barrel Collection.
gertrude042.JPGJPG gertrude042.JPG manage 129 K 05 Jan 2025 - 16:22 TerryLaurin Photo by Nancy McDonald-The Pickle Barrel House Historic Garden
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Topic revision: r17 - 05 Jan 2025, TerryLaurin
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