beautiful, lovely
pale, pink, white
a tree with pale pink blossoms

apple, peach, etc.
fragrant
spring

bear (formal, esp. AmE), have, produce
Hopefully the tree will produce some blossom next year.

see, smell
In the spring visitors come to see the blossoms at their peak.

be out
The cherry blossom is out. (BrE)
The cherry blossoms are out. (AmE)

come out
fall

in blossom
He loves it when the apple trees are in blossom.

in full blossom
The plum tree is in full blossom.

Blossom is used with these nouns as the subject:
love, relationship, romance