Assertion: mandarin | /r/HasProperty | required for successful cultivation
Facets:
Source sentences:
text: Mandarin oranges (C. reticulata) tend to be the hardiest of the common Citrus species and can withstand short periods down to as cold as −10 °C (14 °F), but realistically temperatures not falling below −2 °C (28 °F) are required for successful cultivation.