He destroyed
harag (haw-rag')
to smite with deadly intent -- destroy, out of hand, kill, murder(-er), put to (death), make (slaughter), slay(-er), surely.
their vines
gephen (gheh'-fen)
a vine (as twining), especially the grape -- vine, tree.
with hail
barad (baw-rawd')
hail -hail (stones).
and their sycomore trees
shaqam (shaw-kawm')
a sycamore (usually the tree) -- sycamore (fruit, tree).
with frost
chanamal (khan-aw-mawl')
perhaps the aphis or plantlouse -- frost.