Variety: Ruth Gerstetter

Species: Prunus domestica


Breeder, Place 1920 Besigheim/Württemberg, Germany, marketed since 1932
Parents The Czar x Bonne de Bry
Property rights free variety


Blooming date early, prolonged blossom, susceptible to late frost
Fertility self-sterile
Pollinator Katinka (S), Hanka (S), Cacaks Schöne, BLUE FROST™ HOH 7302 (S), Jojo (S), Haroma (S), President


Ripening time early, 1. plum week, uneven ripening, ripe fruits tend to drop from the tree
Scale, shape medium to large, globose to ellipsoid
Colour reddish blue, moderate bloom
Fruit flesh green yellow, juicy, ripe fruits soften rapidly
Taste spicy, slightly sourish
Cracking sensitivity medium to high
Stone separability freestone
Plum pox tolerant


Vigour medium strong, upright in the first years, compact at mature phase, the wood is susceptible to frost damage, susceptible to Valsa infection
Crop load low to high, a sheltered site should be chosen


Ruth Gerstetter opens the season as the first plum. The commercial value is highly profitable especially when planted on early sites. The spicy, slightly sourish taste is favoured by customers through direct marketing. Because of its early blossom this variety should only be grown in protected sites.

gräb gbr gehölze und obstbau | bassenheimer straße 49 | d-56220 kettig | tel.: +49 (0)2637 - 940 173 | fax: +49 (0)2637 - 940 174 | mail: info(at)