Giant Horsetail is a tall, reed-like plant with large, hollow stems. It is one of the largest horsetail species and is often found in moist, nutrient-rich soils.
Best time to see a Giant Horsetail
The best time to see a Giant Horsetail is March–June, when about 68% of U.S. sightings happen, based on 19,669 research-grade iNaturalist observations.
Not certain it is a Giant Horsetail? What plant is this? walks through what to check first and the lookalikes that catch people out.
Recent Giant Horsetail sightings near you
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