Quince - Cultivation

Cultivation

Quince is resistant to frost and requires a cold period below 7 °C to flower properly. The tree is self-fertile; however, its yield can benefit from cross-fertilization. The fruit can be left on the tree to ripen further, which softens the fruit to the point where it can be eaten raw in warmer climates, but should be picked before the first frosts.

In Europe, quinces are commonly grown in central and southern areas where the summers are sufficiently hot for the fruit to fully ripen. They are not grown in large amounts; typically one or two quince trees are grown in a mixed orchard with several apples and other fruit trees: so were they grown in the 18th-century New England colonies, where there was always a quince at the lower corner of the vegetable garden, Ann Leighton notes in records of Portsmouth, New Hampshire and Newburyport, Massachusetts. Charlemagne directed that quinces be planted in well-stocked orchards. Quinces in England are first recorded in about 1275, when Edward I had some planted at the Tower of London; they are still grown successfully as far north as Scotland. Chaenomeles japonica (Japanese quince) is sometimes grown as a substitute for quince, though its fruit has an inferior flavour.

Quince was also introduced to the New World and Australia, in temperate states, where in some locations it has grown wild, and New Zealand. It has become rare in North America due to its susceptibility to fireblight disease caused by the bacterium Erwinia amylovora. They are still widely grown in Argentina, Chile and Uruguay. Almost all of the quinces in North American specialty markets come from Argentina.

Used as a rootstock for grafted plants, quince has the property of dwarfing the growth of pears, of forcing them to produce more precociously, and relatively more fruit-bearing branches, instead of vegetative growth, and of accelerating the maturity of the fruit.