Yes, GARLAND is a Scrabble word!

Letter values in Scrabble US: G 2, A 1, R 1, L 1, A 1, N 1, D 2.

Is it a valid word?

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

United States singer and film actress (1922-1969)
a city in northeastern Texas (suburb of Dallas)
an anthology of short literary pieces and poems and ballads etc.
flower arrangement consisting of a circular band of foliage or flowers for ornamental purposes

Also: judy garland.