QBARS - v27n2 Apparent Rhododendron Injury (Mid-January, 1973)

Apparent Rhododendron Injury (Mid-January, 1973)
Drakes Crossing Nursery, Silverton, Or.
Klupenger Nursery, Aurora, Or.
Kraxburger Nursery, Portland, Or.
North Willamette Experiment Station, Or.

Injury Ratings American Rhododendron Society Ratings

1
No damage
H-1 Hardy to -25° F

2
Partial bud injury
H-2 Hardy to -15° F

3
Buds dead
H-3 Hardy to - 5° F

4
Late growth burned
H-4 Hardy to + 5° F

4.5
Slight foliage burn
H-5 Hardy to +15° F

5
Foliage burn

6
All foliage brown

Injury Rating




ARS

Name
Buds
Plant
Rating

A. Bedford
2
1
H-3

Alice
3
5-6
H-3

Allegro
3
6

America
1-2
1
H-1

Anah Kruschke
2
1
H-2

Anna
3
5
H-4

Annie E. Endtz
2
1
H-3

Antoon van Welie
3
1
H-3

Anna Rose Whitney
3
1
H-4

Autumn Gold
3
5-6
H-4

Baroness Schroeder
2
1

Betty Wormold
3
4-5
H-3

Bilbani
3
6
H-5

Blitz
3
5-6

Blue Diamond
3
4.5
H-4

Blue Ensign
1-2
1
H-3

Blue Jay
2
1
H-3

Blue Peter
2
1
H-2

Blue Tit
3
4.5
H-4

Boule de Niege
2
1
H-1

Bowbells
3
1-4.5
H-3

Britannia
1
4.5
H-3

Blaney 63-20
3
6

Blaney 63-50
3
6

Brachycarpum x haematodes
1
1

Burgundy x Moser's Maroon
3
1

Carol Jean
3
4

Catawbiense album
1
1
H-1

Caroline
1
1
H-3

Carolyn Grace
2
4.5
H-4

Chanticleer
3
6
H-5

Chev. Felix de Sauvage
2
5
H-3

Christmas Cheer
3
5-6
H-3

Christmas Cheer
1
1
H-3

Cilpinense
3
1-5
H-4

Cis
3
6
H-4





ARS

Name
Buds
Plant
Rating

Celyon
3
5

Cornubia
3
6
H-5

Corona
2
1
H-3

Cosmopolitan
3
4.5

Cotton Candy
3
5-6
H-3

County of York
1
1
H-2

Crest (no buds)

1
H-3

Cunningham's White
2
1
H-2

Cynthia 3-yr
1
1
H-3

Cynthia 2-yr
3
5
H-3

Dexter #10
1-2
1

Dexter 423
1
1

Dexter 974
1
1

Dexter 976
1
1

Dexter Light Pink
1
1

Dexter AA 1258-38
1
1

Diane
3
5
H-4

Director Helm
3
1

Doncaster
3
4.5
H-3

Dora Amateis
2-3
5
H-2

Dormouse
3
6
H-3

Doubloons
3
5

Dr. O. Blok
3
4.5
H-3

Dr. Dresselhuys
2
1
H-2

Earl of Athlone
1
1
H-4

El Alamein
3
5
H-3

Elizabeth
3
6
H-4

Elizabeth Hobbie
3
1

Eureka Maid
3
5

Evening Glow
3
1
H-4

Fabia
3
6
H-4

Faggetter's Favourite
3
5
H-3

Fastuosum Floro Pleno
1
1
H-2





ARS

Name
Buds
Plant
Rating

Friesland
3
1
H-3

General Eisenhower
3
4
H-3

Giganteum
1
1

Gold Mohur
3
1
H-4

Helene Schiffner
1
1
H-3

Holden
2
1

Honeycomb
3
5

Hurricane
3
1

Ignatius Sargent
1
1
H-1

Inca Gold
3
1

Jan Dekens
3
4
H-3

Jean Marie
3
5
H-3

John Walters
1
1
H-2

J. R. Trumphy
1
1
H-1

Kluis Sensation
3
1
H-3

Kordus Pink
1
1

Kordus Pink Dexter
1
1

Kordus Red Dexter
1
1

Kordus White
3
1

Lackamas Spice
3
6

Lady Bligh
3
4.5
H-3

Lamplighter
2-3
1
H-3

Lavender Girl
1
1
H-3

Leo
3
5
H-3

Loderi
3
1
H-4

Loder's White
3
6
H-4

Lord Roberts
2
1
H-2

Madame Masson
2
1
H-2

Marchioness of Landsdowne
1
1
H-2

Margaret Dunn
3
5
H-3

Marinus Koster
3
5-6
H-3

Marque of Landon
3
1

Mars
2
1
H-2

Mdm. Fr. J. Chauvin
3
4.5
H-3

Mildred
3
1

Moonstone
3
6
H-3

Mrs. Betty Robertson
3
5
H-3

Mrs. Betty Robertson
2
1
H-3

Mrs. C. B. Van Ness
3
5
H-4

Mrs. Charles Pearson
2
1
H-3





ARS

Name
Buds
Plant
Rating

Mrs. Charles Pearson
3
4-6
H-3

Mrs. E. C. Sterling
2
1
H-3

Mrs. E. C. Sterling
3
5
H-3

Mrs Furnival
1
1-4.5
H-3

Mrs. G. W. Leak
3
5
H-4

Mrs. John Walter
1-3
4

Mrs. R. S. Holsford
3
1
H-2

Naomi
3
6
H-3

Nova Zembla
1
1
H-1

Ostfriesland
3
6

Pale Perfection
1
1
H-2

Parson's Gloriosum
2
1
H-1

Peach Lady
3
6

Pink Pearl
3
5
H-3

Pink Twins
1
1
H-2

Praecox
3
1
H-3

President Lincoln
1
1
H-1

Purple Lace
3
1

Purple Splendor
2-3
1
H-2

Queen Mary
3
4
H-3

Queen of Hearts
3
1
H-4

Rocket
3
4.5

Rosa Mundi
3
5
H-3

Roseum Elegans
1
1
H-1

Royal Purple
2
5

Ruby Bowman
3
5
H-3

Sappho
2-3
1
H-3

Scintillation
3
1
H-3

Spring Dawn
1-2
1

Springtime
2
4

Susan
1
1
H-3

Thor
3
6

Tidbit
3
6
H-4

Trilby
3
5
H-3

Unique
3
5
H-4

Unknown Warrior
3
5
H-4

Van Ness Sensation
3
5
H-4

Vulcan
3
6
H-3

Yellow Bells
3
6