White Annual Phlox
Phlox drummondii
White Annual Phlox blooms from May through September.
Everything this page states about the plant was checked against named botanical sources, the bloom months and the water need among them, with what the sources could not settle written down.
Growing White Annual Phlox
Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 2–11. Expect it to reach about 12 in tall and 12 in wide at maturity, in roughly 1 year.
When to plant White Annual Phlox
Wait until all danger of frost has passed, then plant out White Annual Phlox into warm soil; in most zones that means late spring. Planted then, it flowers from May to September.
Month-by-month timing for your zone is on the planting calendar: for the middle of its range, start with zone 6 in April.
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