Which one is the most cold-hardy palms in the world, Halimodendron or Rhapidophyllum?
Rhapidophyllum Rhapidophyllum hystrix, the needle palm, is a palm, the sole member of the genus Rhapidophyllum. It is native to the subtropical southeastern United States. Endemic populations can be found from coastal southeast South Carolina, southward to Florida and west across the coastal plain of Mississippi and southern Alabama. It is one of the most cold-hardy palms in the world, and can be found growing in several areas with warm temperate climates.
Searsia lancea Searsia lancea commonly known as karee (English and Afrikaans), "hlokoshiyne" (isiZulu), "umhlakotshane" (amaXhosa), or "mokalaabata" (Northern Sotho), is an evergreen, frost hardy, drought resistant tree, which can reach up to 8 metres in height with a 5 metre spread. In North America, where it is naturalized, it is known as African sumac and willow rhus. It is one of the most common trees on the Highveld and in the Bushveld in South Africa, but not found in the Lowveld.