14 Mailbox Garden Plants and Flowers

A colorful candidate for mailbox gardens in climate zones 6 to 10, Eschscholzia California is a drought-tolerant perennial with a peak blooming period from March to May. It grows well in full sun and dry, well-drained soil and requires little maintenance.

Also known as tickseed, Coreopsis auriculata is a North America native perennial that grows easily in conditions of full sun and soil with medium moisture. Yellow blooms appear from May to June that attract butterflies and the seeds that are produced resemble ticks, hence the common name tickseed. Good for zones 4 to 9.

Verbena bonariensis requires full sun for the best results and produces a vivid purple flower. A slender-stemmed perennial, it can grow to heights of 6 feet and widths of 3 feet and can bloom from late summer to the first frost in zones 6 to 8.

Winter hardy in zones 8 to 10, Rosmarinus officinalis is a herbaceous perennial that grows best in full sun and produces pale blue and white flowers during the bloom season. Fragrant and easy to prune and shape, rosemary is an easy maintenance choice for mailbox areas, herb gardens or patio containers.