ver·nal 
(vûrnəl)
(vûrnəl)adj.
1. Of, relating to, or occurring in the spring.
2. Characteristic of or resembling spring.
3. Fresh and young; youthful.
[Latin vērnālis, from vērnus, from vēr, spring; see wes in the Appendix of Indo-European roots.]
vernal·ly adv.