ooh this is the perfect question 
flora / florence / floralie
iris
april
susannah
poppy
anastasia
chloe
persephone
juniper
cordelia
marigold
magnolia
lucy
henry
robin
jasper
rudy
emrys
hugo
leo
james
aspen
lincoln
names with a similar vibe as: nightingale, nightshade, lovelace, stargazer, and birdsong?