oh ..........how i know
 

one year speaking about frost

when i was growing lettuce commercially
harvesting 100 heads per day

tomato plants were getting HUGE -> 300 easy

it was 95 outside, 110 in the two greenhouses i rented
and i thought spring was here!

so i didn't wait and trans planted all the tomatoes into

the 1/2 acre garden ....then we got a frost and wham all dead. :hs: