Web vday decor valentine stuff my funny valentine valentine theme flower bouquet boxes planter box centerpiece diy floral centerpieces dollar tree centerpieces diy flower boxes diy arrangements diy flowers flower diy flower ideas printable valentine homemade valentines valentine heart From diy valentine’s day wreaths to cute signs for trays, there are plenty of dollar tree valentine’s day decor ideas to choose from that can be made with dollar store supplies. Add a garland to your mantle.