Lavender Annual Phlox (Phlox drummondii) - purple flowers, illustrated plant card

Lavender Annual Phlox

Phlox drummondii

Lavender Annual Phlox blooms from May through September.

Bloom calendar
Bloom time
May–Sep
Hardiness
Zones 2–11
Sun
Full sun
Water
Moderate water
Mature size
12 in × 12 in
Type
Annual
Verification

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Growing Lavender 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 Lavender Annual Phlox

Wait until all danger of frost has passed, then plant out Lavender 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.

The Annual Phlox family

One of 6 in the Annual Phlox family. Same plant, same care.

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