Field Horsetail, Common Horsetail, Scouring Rush, Western Horsetail

Equisetumarvense

Genus
Equisetum (ek-wis-SEE-tum)
Species
arvense (ar-VEN-see)
Synonym
Equisetum arvense var. alpestre
Equisetum arvense var. boreale
Equisetum arvense var. campestre
Equisetum arvense var. riparium
Equisetum calderi
Sun Exposure
Full Sun
Foliage
Grown for foliage
Deciduous
Smooth
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
Seed is poisonous if ingested
Parts of plant are poisonous if ingested
All parts of plant are poisonous if ingested
Bloom Color
Inconspicuous/none
Bloom Time
N/A
Other Details
Category
Perennials
Ponds and Aquatics
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From spores
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Seward, Alaska

Sedona, Arizona

Ceres, California

Chicago, Illinois

Oakland, Maryland

Bridgewater, Massachusetts

Southfield, Michigan

Traverse City, Michigan

Farmington, New Hampshire

Blakely Island, Washington

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Gardener's Notes:

1
positive
1
neutral
4
negatives
Sort By:
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B
Plant City, FL | November 2012 | positive

If you do an internet search, you will see the positive medicinal uses for horsetail and make lemonade out of your lemons. :-)

K
K
Traverse City, MI | June 2010 | negative

What a nuisance! Is it "invasive" in MI? I read somewhere that making the soil more basic with lime will help get rid of it.

A
upton, QC (Zone 4b) | May 2010 | negative

I'm going nuts....it's growing all over the place

I'm afraid it's there for years to come....

N
West Chazy, NY (Zone 4b) | May 2007 | negative

I have to rate this plant one of the worst weed to infest part of my garden. It definitely spreads by roots and by seeds; it is growing i...Read More

C
El Sobrante, CA (Zone 9b) | March 2007 | neutral

Native to Europe, Asia, Canada, and the USA (all states except Hawaii, Florida, and Louisiana). Hard to find in nurseries.

W
Seward, AK (Zone 3b) | July 2005 | negative

As a gardener, this plant has been a stubborn and unwelcome visitor in my garden beds. The roots go deep into the soil, spreading new sho...Read More

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