Plum - Ontario

Ontario Plum

Prunus domestica
An attractive large dual purpose yellow plum.

Origin: USA 1874

Pollination:  Ontario is self-fertile and a pollinator is not necessary for producing a crop. Show suitable pollination partners

A guide to choosing Plum Trees



Ontario Plum Trees for sale - order online

We currently produce this variety to order only through our bud-grafting service. You cannot order on line. If you wish to order please contact us using the messaging facility on the contact us page. Let us have your name, postal address, telephone and email address as well as which variety you would like us to produce, how many and on what rootstock. Bud-grafting is carried out in late July and early August. The trees would be supplied approximately 18 months later. We normally need to have received orders by the beginning of July. Please click here for full details of our bud-grafting service.


History and description of Ontario

Ontario plum was raised by Ellwanger and Barry, Rochester, New York, USA and first described 1874. Was grown commercially in the UK and elsewhere in Europe.

Medium large, round-oval fruit. Greenish yellow, bloomy skin giving the appearance of a very large greengage. Soft golden yellow flesh. Sometime a little fiberous. Good flavour as a dessert variety. Bruises easily.

Upright, spreading tree. Hardy and self-fertile Fair cropping. Susceptible to bacterial canker and brown rot but resistant to plum rust



Main characteristics of Ontario

Use Dual Cul & Des
Colour Yellow
Flavour Sweet
Fruit size  Large
Season of use  Aug

Tree vigour  Moderate
Tree habit  Upright-Spreading
Disease resistance  Bacterial Canker: Susceptible
Suitable for Hardy

Pollination date  23
Pollination group  D
Self fertility  Self Fertile
Pollinators Show suitable pollination partners