Avalanche
Classification:
8 W-Y[ Tazetta ]
Season:
Early to Mid-Season
Height:
Tall - greater than 67.5 cm (26.6 in)
Year of first flowering:
1906
Selected by:
Registered:
Yes, 1955
Special Classes:
ADS Historics
Chromosomes:
31 + 1B
Fertility:
Both Seed and Pollen fertile
Used as parent:
15 times as seed
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Comments:

Flowering date pre1906; Fls about 10 per stem, 33 mm wide; perianth segments broadly ovate, blunt, mucronate, reflexed, concave, ribbed, overlapping half; the inner segments truncate; corona bowl-shaped, brilliant greenish yellow, smooth, mouth straight or slightly constricted, with some shallow lobing, rim entire. Strongly scented. Grand Monarque select form.

It is said that Avalanche was found growing on the side of a cliff above the Isles of Scilly.

Synonyms:

‘Seventeen Sisters in the South’, ‘Seventeen Sisters#’

Click on the thumbnails to see the full size photos  

Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #11,421 Oct 01, 2007: Ben Blake, California, United States</span><br/><span class="ds_text_exif">Properties:  Canon EOS REBEL, Original Size 778 x 536, Exposure 1/125 sec, Aperture f/6.3, ISO 100, No flash, Focal length 53.0 mm</span><br>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Ben Blake, California, USA
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #11,350 : Old House Gardens Heirloom Bulbs, Michigan, USA</span>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Old House Gardens Heirloom Bulbs, Michigan, USA
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #29,612 Apr 25, 2014: John E. Colley, England, UK</span><br/><span class="ds_text_exif">Properties: NIKON COOLPIX L25, Original Size 906 x 682, Exposure 1/25 sec, Aperture f/2.7, ISO 80, No flash, Focal length 4.0 mm, Exposure Program AE</span><br>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: John E. Colley, England, UK
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #10,145 : Gordon Coombes, South Island, New Zealand</span>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Gordon Coombes, South Island, New Zealand
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #13,799 Mar 21, 2008: Kirby Fong, California, United States</span><br/><span class="ds_text_exif">Properties:  Canon EOS 40D, Original Size 778 x 522, Exposure 1/8 sec, Aperture f/16.0, ISO 100, No flash, Focal length 50.0 mm, Exposure Aperture-priority AE</span><br>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Kirby Fong, California, USA
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #1,189 : Kirby Fong, California, United States</span>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Kirby Fong, California, USA
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #3,938 : Tony James, England, UK</span>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Tony James, England, UK
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #3,940 : Tony James, England, UK</span>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Tony James, England, UK
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #3,939 : Tony James, England, UK</span>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Tony James, England, UK
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #20,259 : Brenda Lyon, New South Wales, Australia</span>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Brenda Lyon, New South Wales, Australia
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #21,270 : Trevor Rollinson, South Island, New Zealand</span>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Trevor Rollinson, South Island, New Zealand
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #32,060 : John Scheepers Bulbs, Inc., Connecticut, USA</span>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: John Scheepers Bulbs, Inc., Connecticut, USA
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #16,278 : Ian Scroggy, Northern Ireland, UK</span><br/><span class="ds_text_exif">Properties: OLYMPUS OPTICAL CO.,LTD C5050Z, Original Size 778 x 586, Exposure 1/500 sec, Aperture f/2.0, ISO 125, No flash, Focal length 11.9 mm, Exposure Creative (Slow speed)</span><br>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Ian Scroggy, Northern Ireland, UK
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #7,585 : Ian Scroggy, Northern Ireland, UK</span>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Ian Scroggy, Northern Ireland, UK
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #15,211 Mar 09, 2008: Theodore E. Snazelle, Mississippi, United States</span><br/><span class="ds_text_exif">Properties:  Canon EOS REBEL XTi, Original Size 778 x 522, Exposure 1/500 sec, Aperture f/5.0, ISO 320, No flash, Focal length 43.0 mm</span><br>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Theodore E. Snazelle, Mississippi, USA
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #9,944 : Ralph Sowell, Mississippi, United States</span>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Ralph Sowell, Mississippi, USA
Avalanche,  8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. <br><span class="ds_text">Photo #5,670 : Tom Stettner, Ohio, USA</span>Avalanche, 8 W-Y, T.M. Dorrien Smith, 1955, Isles of Scilly, UK. 
Photo: Tom Stettner, Ohio, USA