Prunus mume (Rootstock)

Prunus Mume
Flowering Apricot
Méi or Ume

Rootstock!  The flowers ill likely be plain white flowers, but it may take a few years for them to flower.

Unknown cultivar
When I moved from Halifax to Montreal I lost the tags on these plants during transport.  There is a mix of seedlings, cuttings of yabai, cuttings of hibai, cuttings of omoi no mama, and cuttings of otome no koi