Mount Vernon Northwestern Washington Research & Extension Center

Fruit Horticulture Program

Photo collage of apples, grapes and wine

Bloom Data Plum 2004

D = bloom density rating (5 = very heavy, 4 = heavy, 3 = moderate, 2 = light, 1 = very light – none)
P= purple leaf, pink flower

Cultivar D Mar 10 Mar 19 Mar 31 Apr 8 Apr 14
Kuban Burgundy (4 L) P 5 90 full pet fall
2 P 5 60 full-pf pet fall
Ovishiwasi 5 30 full pet fall
7K 5+ 20 full pet fall
Methley 5 20 full pet fall
Angelena 5 10 full pet fall
Beauty 5+ 10 full pet fall
Hollywood P 4 10 full pet fall
Earlimagic 4 10 full pet fall
Neber #1 ER 4 10 90 pet fall
Inca 4 05 full pet fall
Kuban Comet (3 KC) 5+ 05 90 pet fall
8C 5+ 01 90 pet fall
Obilnaja 5+ 01 full full-pf pet fall
Bill's plumcot 4-5 90 full-pf pet fall
Vanier 5 80 full pet fall
Newbold plum 3 10 70 full-pf pet fall
Kuban Delight (6 DS) 5 70 full pet fall
4285 4 60 full pet fall
Shiro 5+ 40 full full-pf pet fall
Valor 5 20 full pet fall
Golden Trans Gage 4 10 full pet fall
NY 1456/Cit 4 10 full pet fall
NY 58.904.1 4 20 full full-pf pet fall
Castleton 5 20 full full-pf pet fall
Coe's Golden Drop 3 05 full pet fall
Goldridge plumcot 4 05 full pet fall
NY 1456/Lov 4 full pet fall
Sugar 1 full pet fall
Battema 5 full full-pf pet fall
Early Laxton 5+ 90 full pet fall
Victory 5 90 full-pf pet fall
Longjohn 4 90 full-pf pet fall
Cambridge Gage 3 90 full-pf pet fall
NY 101 (77.610.1) 4-5 80 full-pf pet fall
Vanette 4-5 80 full-pf pet fall
Schoolhouse (Fritz) 4 80 pet fall
Toka 3 80 full-pf pet fall
Imperial Epineuse 5 10 60 full-pf pet fall
Seneca 4 60 full pet fall
Collier plumcot 3 60 full-pf pet fall
Purple Gage 5 50 full pet fall
PP 6975-2/Lov 4 50 full-pf pet fall
Polly 5 50 full pet fall
Stanley 5 40 full pet fall
Queen Victoria 4 40 full pet fall
Voyageur 5-4 40 full-pf pet fall
Vallerie 4 40 full pet fall
Pipestone 5 40 full pet fall
Mirabelle (858) 5 30 full pet fall
PP 7520-3 4 30 full-pf pet fall
Ente 652 4 30 full pet fall
Silver Prune 4 30 full pet fall
Tabarza 4 20 full pet fall
Vee Blue 5 20 full pet fall
PP 7520-1 4 10 full pet fall
Vision 4-5 20 full-pf pet fall
Mirabelle de Metz 5 10 full-pf pet fall
Mirabelle de Nancy 4 10 full-pf pet fall
Herrenhauser 4 10 full-pf pet fall
Kirke's Blue 4 10 full-pf pet fall
Mount Royal 4-5 05 full full-pf
PP 6975-2/Cit 3 05 full-pf pet fall
Fermarien 3 05 full pet fall
Dester 3 05 full pet fall
Moldavian 4 05 full pet fall
Reine de Mirabelle 4 05 full full-pf
WSU Mount Vernon NWREC, 16650 State Route 536, Mount Vernon, WA 98273, 360-848-6120, FAX 360-848-6159, Contact Us