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Difference: TbGrandDame (r13 vs. r12)

■(TB) 'Grand Dame'

1976, Zurbrigg

'Grand Dame' (Lloyd Zurbrigg, R. 1973). Seedling# 69-29. TB, height 34" (86 cm), Early to midseason bloom and rebloom. Ruffled light to mid-blue self. 'Helen Keller' X 'Tyrolean Blue'. Avonbank 1976.

See below:

GrandDame01.jpg

References:

From AIS Bulletin #221 April 1976 Introducing GRAND DAME. Huge, wide medium blue, heavily substanced and of noble carriage. 34", 2 & T, 7-8 buds. Occasional rebloomer in September in Virginia. Very fertile pollen; excellent parent. $25.00. Avonbank Iris Garden.
 
 

Culture

Quick Summary of Cultural Directions

FURTHER CULTURAL INFORMATION SortSorted descending
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
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.)
Fertilizer Prefers rich conditions on relatively inorganic soils.
Exposure Prefers full sun for optimal performance, may still bloom in half-day shade

-- Main.RPries - 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.

 
 

-- MarilynCampbell - 2010-03-06

ISorted descendingAttachmentActionSizeDateWhoComment
GrandDame01.jpgjpgGrandDame01.jpgmanage 62 K 06 Apr 2015 - 21:00 Main.TLaurin Photo from John Weiler slide collection
granddame01.JPGJPGgranddame01.JPGmanage 798 K 14 May 2018 - 21:17 Main.TLaurin Photo By Doug Coffey
granddame02.JPGJPGgranddame02.JPGmanage 634 K 14 May 2018 - 21:16 Main.TLaurin Photo By Doug Coffey

Revision r13 - 02 Jan 2022 - 16:45 - Main.Harloiris
Revision r12 - 02 Jan 2022 - 02:22 - Main.TLaurin
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