Limequat TreeA Limequat tree is a unique and versatile addition to any garden or outdoor space in the UK. These evergreen trees are relatively easy to grow and require full sun exposure and well drained soil with a pH between 5. 5 and 6. 5. They are also hardy and can withstand frost and cold temperatures. Limequats are a hybrid citrus fruit that is a cross between a lime and a kumquat. They are prized for their small, oval shaped fruits that have a thin,