Blackjon
Dessert apple
Malus domestica Borkh.
A coloured sport of Jonathan. Originally found in Tom Slack Orchard, Wenatchee, Washington, U.S.A. by C & O Nursery. It was selected in about 1927 and introduced in 1931. Fruits are sweet, crisp and juicy.
Availability
Material available from the National Fruit Collection.
Parentage:
Sport of Jonathan
Accession name
Blackjon
Flowering time
7th May 10% flowering
12th May Full (80%) flowering
21st May 90% petal fall
Picking time
Early October a
Size
medium a
Type
Dessert a
Ground Colour
Yellow a
Over Colour (Amount)
high a
Over Colour
Red a
Over Colour (Pattern)
striped/solid flush a
Russet
low a
Greasiness
Medium a
Firmness
firm a
Coarseness
fine a
Flesh Colour
White a

References:
a. NFC fruit (undated) Unpublished characterisation by staff at NFC, Brogdale.