Mount Vernon Northwestern Washington Research & Extension Center

Fruit Horticulture Program

Photo collage of apples, grapes and wine

Bloom Data Apple 2004

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

Cultivar D Apr 8 Apr 14 Apr 23 Apr 30
Monark (AA 44) 4 60 full-pf pet fall
Golden Russet 4 50 full pet fall
Red Gravenstein 5 40 full pet fall
Alkmene 5+ 40 full pet fall
Zestar (MN 1824) 4 40 full pet fall
Emerald Spire 5+ 40 full pet fall
Vanderhoek 3 40 full pet fall
Pink Pearl 5 30 full pet fall
NY 75414-1 5 30 full pet fall
Gravenstein (IRA) 4 30 full pet fall
Gravenstein (Mowrer) 3 20 full pet fall
Sunrise 5-4 20 full pet fall
Redmax 3 20 full pet fall
Marshall Mac 4 20 full pet fall
Northpole 3 20 full pet fall
Improved McIntosh 3-4 20 full pet fall
Pristine (Coop 32) 5-3 20 full pet fall
Morspur Mac 3-4 20 full pet fall
BC 11W-19-18 4-5 20 full full-pf pet fall
Pioneer Mac 3 10 full pet fall
Pink Parfait (Mott Pink) 4-5 10 full pet fall
Compact Mac 5+ 10 full full-pf pet fall
Silken 4 10 full full-pf pet fall
Rogers Red McIntosh 3 10 full pet fall
Rosy Glow (B101) 2 10 full pet fall
HWR-19T-18 5 10 full pet fall
Wynooche 3 10 full pet fall
NYB-298 4 05 full pet fall
Empire, Thome 5 full pet fall
PAR-12T-101 5 full pet fall
Braeburn/M9 5-4 full full-pf pet fall
Roxbury Russet 3 10 90 pet fall
AA 18 4 80 pet fall
Scarlet Sentinel 80 pet fall
Del (unknown) 3 80 pet fall
Royal Empire 5+ 05 90 full-pf pet fall
Greensleeves 5-4 90 full-pf pet fall
Delroval 4 90 full-pf pet fall
Jonagold, Crimson 4-5 05 90 full-pf pet fall
Juliet (Coop 43) 3 90 full-pf pet fall
Releika 4-5 05 90 full-pf pet fall
Red Boskoop 4 05 90 full-pf pet fall
AKR 52-151-95 (pink) 3 90 full-pf pet fall
NY 79507-72 5 90 full-pf pet fall
Jonamac 5 90 full-pf pet fall
Scarlet O’Hara(Coop 25) 3 90 full-pf pet fall
Rajka 4 10 80 full-pf pet fall
Delkistar 4 10 80 full-pf pet fall
Jonagold, Jomured 5 05 80 full-pf pet fall
Akane 5 80 full-pf pet fall
UEB 3277-1 4 80 full-pf pet fall
Ashmead’s Kernel 4 80 full-pf pet fall
CLR-20T-60 5 80 full-pf pet fall
Arkcharm 3-4 80 full pet fall
Braeburn, Hillwell/M9 4-5 80 full-pf pet fall
Redcort 2 80 full-pf pet fall
Jonagold, King 4 05 70 full-pf pet fall
Shizuka 5 70 full-pf pet fall
Jonagold, Rubinstar 5-4 10 70 full-pf pet fall
Resi, Rezista 3 70 full-pf pet fall
UEB 3148-1 (pink) 4 60 full-pf pet fall
NY 65707-19 4 60 full-pf pet fall
Elista (Daliest) 4 60 full pet fall
Pink Delight 2-3 60 full pet fall
Delblush 5 60 full pet fall
BC 8S-29-18 4 60 full pet fall
Goldstar 3 60 full pet fall
Royal Court 3 50 full-pf pet fall
Belmac 4 50 full-pf pet fall
Golden Sentinel 4 50 full-pf pet fall
Braeburn, Hillwell 4-5 50 full-pf pet fall
Braeburn, Lochbuie 3 50 full-pf pet fall
Melrouge/Melrose 4 40 full-pf pet fall
Mikki Life 3 40 full-pf pet fall
Tsugaru, Homei 5 40 full pet fall
Deljeni 5 40 full pet fall
Aroma 4 40 full pet fall
Gala, Ultrared 5 40 full pet fall
Mutsu 5 30 full-pf pet fall
Millenium (NY 460) 4 30 full-pf pet fall
Gala, Regal (Fulford) 5 30 full-pf pet fall
Gala, Pacific 4 30 full-pf pet fall
NY 428 4 30 full pet fall
Gala, Brookfield 5 30 full pet fall
Sansa 3 30 full pet fall
Braeburn, Joburn 4 20 full-pf pet fall
NY 486 4 20 full-pf pet fall
UEB 2439-1 (pink) 4 20 full-pf pet fall
Fiesta 4 20 full-pf pet fall
Pink Sparkle 4 20 full pet fall
Corail (Pinova) 5-4 20 full pet fall
Princess Russet 4 20 full pet fall
AA 59 5 20 full pet fall
Gala, Imperial 4 20 full pet fall
AKR 53-44-95 (pink) 3 20 full pet fall
Fuji, Jubilee (September Wonder) 4 20 full pet fall
Rubinette 4-5 20 full pet fall
TWI-300 5 20 full pet fall
Spartan 4 20 full pet fall
Ellison’s Orange 4 10 full pet fall
Honeycrisp 5-4 10 full pet fall
Gala, Gale 4 10 full pet fall
Hatsuaki 4 05 full pet fall
Beni Shogun 4-3 05 full pet fall
Bramley’s Seedling 2 05 full pet fall
Crimson Spire 5 05 full pet fall
Finkenwerder Herbstprinz 4 05 full pet fall
Reine des Pommes 3-2 05 full pet fall
Cameo 4 05 full pet fall
Foxwhelp 4-2 05 full pet fall
Brown’s Apple 3-4 05 full pet fall
Tom Putt 4 full pet fall
NY 489 4-3 full pet fall
Ambrosia 4 05 90 pet fall
Canadian Grise 4 05 70 pet fall
Kingston Black 2 90 pet fall
Michelin 3-2 90 pet fall
Delorina 3 80 pet fall
Reinette Russet 3 80 pet fall
Medaille D’Or 4-3 80 pet fall
Redstreak 4-2 80 pet fall
Muscadet de Dieppe 4 40 full-pf
Bulmer’s Norman 5-2 40 full-pf
Yarlington Mill 4-5 20 full
Chisel Jersey 3-4 10 full
Harry Masters’ Jersey 60
Dabinett 60
Vilberie 50
Brown Snout 50
WSU Mount Vernon NWREC, 16650 State Route 536, Mount Vernon, WA 98273, 360-848-6120, FAX 360-848-6159, Contact Us