# Before your pots can feel the thorn's burning heat ... the green thorns and the burning thorns alike

"God will destroy wicked people faster than a whirlwind can blow away thornbush branches that have been put under a cooking pot and lit with fire"

# your

David is speaking to God's people, so this is plural. 

# the thorn's burning heat ... the green thorns and the burning thorns

"the heat from the burning thorn branches ... the green thorn branches and the burning thorn branches"