Clone Number; SD 12
Origin; ARC, South Africa, 1999
Royalties/ Levies; R 6.93 Production royalty: R0.27/kg fruit
Yield; moderate, 15kg/tree
Fruit use; fresh
Type;not semi-free stone
Shelf-life; excellent at dual temperature
Water requirements; water to a depth of 609mm every 14-21 days
Sun requirements; 6 to 8 hours per day
Chill hours; 200 to 400
Pruning; prune in early spring or summer on a dry day to prevent water-borne pathogens from infecting your trees. Prune only when absolutely necessary- such as to remove dead branches, diseased sections and to shape the tree in it's initial years. Apply a pruning paint to help seal the cut.
soil requirements; a well-draining soil type with a pH of 6 to 7 is best. Sandy or clay soils must be avoided at all costs.
Soil depth; at least 600mm is recommended
Fertiliser requirements; be careful not to over fertilise young trees. Plums less than 3 years old should be given minimal fertiliser. Trees older than 3 years can be given fertiliser after bud break. 10-10-10 fertilisers and zinc foliar sprays are best.
Pollination requirements;like most plums, it needs a pollinator
Successful test-crosses; Sapphire, Harry Pickstone, Sun Kiss
Bloom time; August/September
Harvest time; January
Vigor; moderate to strong
Size and shape; medium spreading
Tree age; will start fruiting around year 3 to 5.
Average life span; plums have a short life span in colder regions, but generally live for 15- 25 productive years depending on the rootstock used.
Susceptibility to pests and diseases; normal
General notes; sensitive to rub marks, so requires careful handling