Full sun / Part sun

Consistent moisture

24-48" tall · 24" apart

4a-8b

very cold to frosty winters

Mild-Warm

mild to warm summers Interim Plotwright tier until the plant AHS range is authored.

No

In plain terms: cold winters — coldest nights typically around -3°F.

Well-suited today and still thriving in 2050.

Ruby-throated hummingbird (Archilochus colubris)

Hawkmoths (Sphingidae (family-level entry))

Evening-blooming fragrance attracts hawkmoths; the fragrant cultivars are particularly worked at dusk and early evening.

Hummingbird clearwing moth (Hemaris thysbe)

Adults favor pink/purple deep-tubular flowers; garden phlox fits this profile but is not species-specifically cited for H. thysbe.

Eastern tiger swallowtail (Papilio glaucus)

Native across 10 US states.

Naturally belongs in 9 ecoregions — its native range crosses a state or province each one spans (not necessarily this exact habitat).

NC State Extension lists Phlox paniculata for USDA hardiness zones 4a-8b across temperate North America.

Native to the eastern United States; has escaped cultivation and naturalized beyond its original range.

Powdery mildew is the most serious pest pressure; phlox bugs, root rot, and hot/dry-season spider mites also reported. Choose mildew-resistant cultivars in humid climates.

Garden phlox is a temperate eastern North American perennial native from Quebec to northern Georgia. High summer humidity drives powdery mildew, so it peaks in mild-to-warm climates; in hot Southeastern summers, choose mildew-resistant cultivars to keep the flower display.