Florists push through flower shortages ahead of Mother's Day Some flowers are expected to be in short supply on the second most popular day for floral purchases due to a number of factors, from increased demand during COVID-19 to weather woes. The limited variety means you might have to let your local florist make other arrangements. The best advice: Order now and don't get too specific about the flowers you want in the vase. Stick to color schemes, not dahlias, daisies and daffodils. “Leave it open — mom loves pink or yellow,” said Claudia Grimes, who owns Green Thumb Floral in Wooster.