Highly deer-resistant. Commonly called hardy orange, a citrus relative, is a thorny, well-branched, deciduous shrub or small tree which typically grow 8-15′

Zone: 5 to 9

Trifoliate orange are widely used as citrus rootstock.

Fruits of this citrus relative are edible (lemony flavor), but are very acidic and seedy. Fruits can used to make marmalade (use peel zest and pulp).