Originated at the University of Saskatchewan by Dr. C. F. Patterson, tested as A 59-382, selected in 1946, initially named >Munro= but later introduced by the University of Saskatchewan in memory of the breeder in 1960. The tree is moderately vigorous, round-headed to low spreading with weak crotches and soft pendulous branches, and has a tendency to overproduce. It is hardy to zone 2b and highly resistant to fire blight. The fruit is small to medium size, up to 6 cm (2.5″) in diameter, oblate round but slightly pointed and finely ribbed at the base, and matures in late August to early September. The skin is thin, greenish-yellow with an orange-red blush. The flesh is pure white, moderately crisp, mildly subacid, with excellent flavour and resistance to oxidation ( browning). It is good for fresh eating, cooking, juicing, drying, and stores for 6 weeks (perhaps if refrigerated, but not when stored in apple boxes in our root cellar). We feel it is crisper than Shafer, not as sweet as Rescue, and has more zing than either variety. Given its cold hardiness, vigorous growth and early fruiting it holds considerable promise for low-lying areas. Heavy yielding but must be thinned annually to one apple per bud. Hardy to zone 2a. Trees are very leggy and vigorous on Baccata rootstock, being 8-10′ tall after 5 growing seasons. Branches mostly have good crotch angles, but may need encouragement to branch. Tree should be pruned hard during training and not allowed to fruit until branches gain strength. Note: Due to the branching and fruiting habit of the cultivar, special annual pruning practices and thinning are required, or it may be topworked on a strong framework tree such as Garnet.

From the USDA Germplasm website: Fruit: size small, up to 6 cm, some years. Blushed red over greenish-yellow (almost no red some years). Flesh pure white, resists browning, good dessert and keeper, juicy and drying. Very good for cooking, needs thinning. S. Nelson of U of S “best quality apple”. Manchester notes, “well suited to espalier culture. Tree: very sprawling. Annual pruning prevents setting of numerous small fruits and breakage of long limbs. Falls when ripe. Hardy.