In hot climates, yellow alyssum is better used as an annual, but you can grow this as a perennial in more temperate gardens. Its name says it all: Snow-in-summer features crisp white flowers that ...

In addition, many annuals such as sweet alyssum, zinnias, sunflowers, and calendula, are also good allies in welcoming pollinators. In planting flowers to attract pollinators, the emphasis should ...