General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Moderately alkaline (7.9 – 8.4)
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 8b
Plant Height: 2 to 2.50 feet
Plant Spread: 2.50 to 3.00 feet
Leaves: Fragrant
Flowers: Inconspicuous
Flower Color: White
Bloom Size: Under 1"
Flower Time: Summer
Uses: Culinary Herb
Will Naturalize
Suitable as Annual
Edible Parts: Leaves
Roots
Eating Methods: Cooked
Wildlife Attractant: Bees
Propagation: Seeds: Self fertile
Pollinators: Self
Beetles
Flies
Bees
Miscellaneous: Monoecious
Conservation status: Least Concern (LC)

Conservation status:
Conservation status: Least Concern
Image
Common names
  • Horseradish

Photo Gallery
Location: Illinois, USA
Date: 2018-03-30
Location: Meise botanical garden
Location: Blaine TN
Date: 2018-05-11
First year plant
Location: Ingleside. Illinois
Date: 2021-09-22
Location: Heathcote Ontario Canada
Date: July
Armoracia rusticate pretty full blooming plant
Location: Meise botanical garden
Location: Ingleside. Illinois
Date: 2022-03-23
New spring growth after a long winter.
Location: San Antonio Botanical Garden, San Antonio, Texas
Date: 2022-04-04
Location: Cedarhome, Washington
Location: Meise botanical garden
Location: Cedarhome, Washington
Date: 2014-04-13
Emerging in spring
Location: Lincoln, NE
Date: 11-26-2012
Horseradish root, freshly harvested
Location: Illinois zone 6
Date: 2012-03-17
Roots heaved out of the ground, early spring

Date: 2012-04-15
The flowers of horseradish are edible as well
Location: Northeastern, Texas
Date: 2013-04-06
Leaves coming back strong this spring

Date: 2012-12-07
Location: Indiana zone 5
Location: Indiana zone 5
Date: 2013-05-31

Date: 2016-09-01
Photo by Aspen7
Location: Matthaei Botanical Gardens, Ann Arbor, MI
Date: 2011-07-21
Photo by robertduval14
Location: Middle Tennessee
Date: 7/7/2011

Date: 2013-04-27

Date: 2013-04-27
Location: Sherwood, Oregon
Date: 2017-07-07
Location: Indiana zone 5
Date: 2013-05-31
Location: Sherwood Oregon
Date: 2017-04-09
I might be the only person that has trouble growing horse radish.

Date: 2016-09-01
Location: Matthaei Botanical Gardens, Ann Arbor, MI
Date: 2011-07-21
Location: Middle Tennessee
Date: 2012-03-27
Emerging spring growth
Photo by robertduval14
Photo by robertduval14

photo credit: Frank Vincentz
Comments:
  • Posted by SongofJoy (Clarksville, TN - Zone 6b) on Nov 8, 2011 10:15 AM concerning plant:
    This plant is hardy and vigorous with striking large leaves and can be grown for ornamental purposes as well as for culinary use. Either way, a few roots will last a lifetime.
Plant Events from our members
gardengus On April 15, 2014 Obtained plant
SCButtercup On March 20, 2016 Plant emerged
antsinmypants On July 28, 2021 Plant emerged
I set the root under straw to plant later & forgot about it. A critter dug it up & I found it had rooted & had grown two leaves.
paleohunter On April 3, 2022 Obtained plant
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