It is sensitive to lime induced chlorosis. It is tolerant of winter cold and of both wet and dry soils. It is also resistant to pear decline. P. calleryana shows good anchorage and compatibility, is very resistant to fire blight and resistant to pear decline. It is sensitive to winter cold injury and lime induced chlorosis.
Some clonal material is available from Oregon.
Quince Sydo originating from Angers in France BP 1 a Pyrus communis clonal stock from South Africa, having the advantage of full compatibility with all pear cultivars but difficult to propagate. Quince BA 29 a Provence quince from France and the most common quince in New Zealand OH x F51 the most dwarfing of the Old Home x Farmingdale crosses, originating from the Pacific North West, a Pyrus communis rootstock, but again difficult to propagate. They are finding an increasing use in the Pacific North West where they are replacing seedlings as rootstocks for pears. Quinces suffer from poor winter hardiness in this environment. BP 3 a Pyrus communis clonal stock from South Africa, difficult to propagate.