abstract
bloom
blooming
blossom
blossoming
botanical
branch
bright
bud
clean
crataegus
flora
flower
garden
green
grow
hawberry
hawthorn
hawthorne
herb
horizontal
leaf
may
may blossom
medical
medicinal plant
natural
nature
outdoor
petal
plant
season
seasonal
sky
spring
springtime
summer
thornapple
tree
twig
white
white thorn
whitethorn
wild