Complex sentence: It is extremely salt-tolerant and is often seen growing near the Atlantic Ocean coast, and also frost-tolerant, surviving short periods of temperatures as low as 7 ° F (-14 ° C).
Split into simpler sentences: It is extremely salt-tolerant and is often seen growing near the Atlantic Ocean coast. For a palm tree, Sabal palmetto is very cold-hardy--it is commonly accepted that the Sabal palm is able to survive relatively short periods of temperatures as low as 7 ° F (-14 ° C).