Bee Balm Plant Zone 9. Bee balm thrives in USDA plant hardiness zones 4 through 9. Hardy in zones 4-9 bee balm can grow up to 4 feet tall with a spread of 3-4 feet.
The earliest that you can plant bee balm in Zone 9a is FebruaryHowever you really should wait until March if you dont want to take any chances. While bee balm plants can tolerate most types of soil as long as its well-drained they dont like standing in water. Bee balm can grow in zones 4 to 9.
The fast-growing perennial plants return and multiply every year.
Be sure to check on the particular species being planted however as certain ones may be slightly different in terms of hardiness. Hardy in zones 4-9 bee balm can grow up to 4 feet tall with a spread of 3-4 feet. And most varieties grow to be 2-4 feet. 10102010 Fertilizing Bee Balm.