Many begonias are perennials in USDA hardiness zones 8b to 11. Stewart suggests treating them as annuals in zones 5 and ... it into a tray of seed-starting mix featuring perlite, vermiculite ...
Used mostly as annuals, these begonias grow 1-2 feet tall and need ... A high quality potting mix that contains a high ...
Related: How to Plant, Grow, and Care for Zinnias Annual begonias are an excellent choice for beginner gardens. Plant in partial shade to avoid leaf burn, and be careful not to overwater.