Answer: arborday

AnswerCrossword Clue
ARBORDAY

Tree-planting occasion

ARBORDAY

Spring occasion

ARBORDAY

Dendrologists' celebration

ARBORDAY
Spring planting observance
ARBORDAY
Tree-planting time
ARBORDAYTwenty-four states celebrate it on the last Friday in April
ARBORDAYAnnual tree-planting celebration
ARBORDAYApril celebration
ARBORDAYSpring observance, April 26.
ARBORDAYSpring observance.
ARBORDAYAnnual event celebrated outdoors
ARBORDAYAnnual April celebration
ARBORDAYTree-planting observance
ARBORDAYTime for tree celebration