Type | Bloom Season | Approx. Bloom Length |
---|---|---|
Bigleaf hydrangeas (Hydrangea macrophylla) | Late spring to early fall (May–September) | 4–5 months (≈16–20 weeks) Reblooming cultivars may bloom even longer |
Panicle hydrangeas (Hydrangea paniculata) | Mid to late summer into fall (July–October) | 3–4 months (≈12–16 weeks) |
Smooth hydrangeas (Hydrangea arborescens) | Early to midsummer (June–August) Some into September |
2–3 months (≈8–12 weeks) |
Oakleaf hydrangeas (Hydrangea quercifolia) | Late spring to early summer (May–July) Some into August |
2–3 months (≈8–12 weeks) |
Blooming Season by Type