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Spring Wildflowers & Waterfalls in Hocking Hills

Spring in Hocking Hills brings two overlapping spectacles: over 300 wildflower species blooming from late March through early June, and the highest waterfall flow of the year as rain combines with snowmelt. The gorges transform from the muted browns of late winter to an almost electric green practically overnight.

Wildflower Progression

The bloom follows a predictable progression. Late March: Snow trillium, hepatica, and bloodroot emerge — the earliest spring ephemerals. April: Large-flowered trillium carpets the forest floor alongside Virginia bluebells, Dutchman's breeches, squirrel corn, and wild ginger. This is the peak wildflower window. May–June: Pink lady's slippers, cardinal flower, and jack-in-the-pulpit appear in later waves. Conkle's Hollow and Ash Cave gorges offer the most concentrated wildflower displays due to their cool, moist microclimates.

Peak Waterfall Flow

Late March through May produces the most dramatic waterfalls of the year. Cedar Falls — the highest-volume waterfall in Hocking Hills — runs at full power during spring rains. Ash Cave's 90-foot cascade is most impressive after sustained rainfall. Old Man's Cave Upper Falls and Lower Falls both run strong. If you want to photograph Hocking Hills waterfalls at their best, spring is the answer.

Hemlock Watch

A critical conservation note: the hemlock woolly adelgid (HWA), an invasive insect first detected in Hocking Hills State Park in 2013, threatens the Eastern hemlocks that define the gorge ecosystems. These trees create the cool, moist microclimate that supports wildflower diversity. ODNR actively treats trees with injected insecticides, and most remain healthy as of 2025, but the long-term prognosis is uncertain. The woolly white egg masses are most visible on hemlock branches from November through May — if you spot them, report the location to park staff.

Spring Hiking Tips

Trails are often muddy through April — waterproof boots are more important than in any other season. Spring weekdays are blissfully uncrowded compared to fall. Temperatures in the gorges run noticeably cooler than the surface — bring a layer. Ticks become active in April — check yourself, pets, and children after every hike.

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