The Ark (Charlotte, NC) may be a bit too far south for you, but we run an unrecognized HT in February and USEA HT in May (Maiden-Preliminary). Many riders bring their babies to run Maiden in February before doing a recognized BN later in the spring. The Maiden jumps are all 2' versions of their larger counterparts, and the BN course is also a good transitional/move up course.

Have fun getting out and about!