Mount Vernon Northwestern Washington Research & Extension Center

Fruit Horticulture Program

Photo collage of apples, grapes and wine

Bloom Data Cherry 2004

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

Cultivar D Mar 31 Apr 8 Apr 14 Apr 23
Rainier 4-5 10 90 pet fall
Hardy Giant 5 80 pet fall
Tulare 3 90 pet fall
Lapins 5+ 20 90 full-pf pet fall
Emperor Frances 3 10 90 full-pf pet fall
NY 518 3 80 full-pf pet fall
NY 45288 3-4 80 full-pf pet fall
NY 410213 3-4 70 full-pf pet fall
Vandalay 5+ 05 70 full-pf pet fall
Bing 5 05 60 full-pf pet fall
Sweetheart 4-5 05 80 full pet fall
NY 414205 5 80 full pet fall
NY 252 3 70 full pet fall
Early Burlat 5 60 full pet fall
Hartland 4-5 50 full pet fall
Kristin 4 50 full pet fall
Almaden Duke 5 40 full pet fall
BC 13N-7-39 4 40 full pet fall
Angela 4 30 full pet fall
White Gold 5 30 full pet fall
Danube Erdi B 4 20 full pet fall
Glacier 4-5 10 full pet fall
RN 02-4-242 3 10 full pet fall
NY 242 4 05 full pet fall
NY 304 3 05 full pet fall
Tehranivee 5+ 10 90 full-pf
Governor Wood 4-5 10 80 full-pf
Attika 4-3 05 90 full-pf
NY 9295 4 05 70 full
Titan 4-3 05 80 full
NY 7855 4 05 80 full-pf
Black Gold 4 60 full-pf
Hudson 3 60 full
Skeena 5-4 50 full-pf
Surefire 4 40 full
Schneider 4 30 full
Regina 4 05 full
WSU Mount Vernon NWREC, 16650 State Route 536, Mount Vernon, WA 98273, 360-848-6120, FAX 360-848-6159, Contact Us