Yes, HAZELS is a Scrabble word!

Letter values in Scrabble US: H 4, A 1, Z 10, E 1, L 1, S 1.

Is it a valid word?

HAZELS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

Australian tree grown especially for ornament and its fine-grained wood and bearing edible nuts
the fine-grained wood of a hazelnut tree (genus Corylus) and the hazel tree (Australian genus Pomaderris)
any of several shrubs or small trees of the genus Corylus bearing edible nuts enclosed in a leafy husk
a shade of brown that is yellowish or reddish; it is a greenish shade of brown when used to describe the color of someone's eyes

Also: hazel tree, pomaderris apetala, hazelnut tree.