You could also shorten the information in the text field by omitting the name of the specific prize. Instead of:
Biltmore Trials Award: William Cecil Award for Best Growth Habit, 2015
You could enter:
Biltmore Trials Award: Best Growth Habit, 2015
Another solution is to have three checkboxes: Biltmore Fragrance, Biltmore Disease Resistance, and Biltmore other.