I think it's very pretty and summery sounding. I also like
Juniper. However, I definitely don't think it sounds tomboyish. How about
Theodora,
Theodosia, or
Theophania "
Theo"?
masculine list:
https://www.behindthename.com/pnl/191050/124079feminine list:
https://www.behindthename.com/pnl/191050/124080