Mount Vernon Northwestern Washington Research & Extension Center

Fruit Horticulture Program

Photo collage of apples, grapes and wine

Bloom Data Pear 2004

*D = bloom density rating (5 = very heavy, 4 = heavy, 3 = moderate, 2 = light, 1 = very light – none)

Cultivar D* Mar31 Apr 8 Apr 14 Apr 23
Jack Pear (ornamental) 4 90 full-pf pet fall
Abbe Fetel 5 20 full pet fall
Stutgarter Gieshirltle 4 10 full pet fall
Conference 5-4 full pet fall
USDA 71655-014 2 50 pet fall
Rescue 4 90 full-pf pet fall
Packham's Triumph 4-5 90 full-pf pet fall
Lubenicarka 4 70 full-pf pet fall
Blake's Pride (USDA 66131-021) 4 70 full-pf pet fall
Seckel 4 80 full pet fall
Orcas 3 80 full pet fall
Honeysweet 5 80 full pet fall
Concorde 5-4 50 full pet fall
Comice, Taylor's Gold 4-5 50 full pet fall
Clapp's Favorite (Bennett) 4-5 40 full pet fall
Starkrimson 3 40 full pet fall
Beurre Giffard 3 40 full pet fall
Comice 5-3 30 full full-pf
Bartlett 2 20 full-pf pet fall
Red Sensation 3 10 full pet fall
Bosc, Std. 3 10 full pet fall
Comice, Scarlet 4-5 10 full full-pf
WSU Mount Vernon NWREC, 16650 State Route 536, Mount Vernon, WA 98273, 360-848-6120, FAX 360-848-6159, Contact Us