Scouring Rush (Equisetum hyemale) is a distinctive perennial herb known for its upright, hollow, segmented green stems, often used ornamentally in wet areas.
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Sunlight
Thrives in full sun but tolerates partial shade.
Watering
Requires consistently wet or moist soil; can tolerate standing water.
Soil
Adaptable, prefers moist, rich, acidic to neutral soil.
Temperature
Extremely hardy, tolerating a wide range from freezing to warm conditions.
Habitat
Outdoor, Aquatic
Fertilizer
Low fertilizer needs; apply sparingly if growth is weak.
Thrives in full sun but tolerates partial shade.
Requires consistently wet or moist soil; can tolerate standing water.
High moisture
Adaptable, prefers moist, rich, acidic to neutral soil.
Extremely hardy, tolerating a wide range from freezing to warm conditions.
Outdoor, Aquatic
Low fertilizer needs; apply sparingly if growth is weak.
Spring
Plant Type
Herb, Aquatic
Plant Category
Ornamental
Plant Place Type
Ground, Garden, Groundcover
Plant Environment
Outdoor, Aquatic
Lifespan
Perennials
Plant Height
0.6-1.5 m
Spread
Indefinite
Growth Rate
Fast
Dormancy
Winter dormancy in cold climates
Leaf Type
Scale-like
Optimal Sunlight Lux
60000
Weed Status
Yes
Toxic for humans
Yes
Rating: 5/5
Toxic for pets
Yes
Rating: 8/5
Edible
No
Contains thiaminase, which can cause thiamine deficiency. Toxic to livestock, particularly horses. Raw ingestion by humans can cause gastrointestinal upset and thiamine deficiency.
