Scientific Name:
Armoracia rusticana
Pronunciation:
are-more-AY-shee-uh rust-ih-KAY-nuh
Common Name:
horseradish
Family Name:
Brassicaceae
Plant Type:
Annual (grown as), Herbaceous perennial
Key ID Features:
Leaves basal, most oblong, 30-60cm long x 10-20cm wide, margins wavy and scalloped; panicles terminal on long peduncles, florets ~1cm wide, 4 petals, whitish, Jul-Aug.
Habit:
Spreading, Upright
Form:
Vase
Texture:
Very coarse
Mature Height:
0.7 - 1.3m
Mature Spread:
1.5 - 2.0m
Growth Rate:
Fast
Origin:
Europe
Hardiness Rating:
Zone 2: (-46 to -40 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Landscape Uses:
Herb, Urban agriculture
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Basal
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Glabrous, Rugose
Colour in Summer:
Dark-green
Colour in Fall:
Yellow
Shapes:
Obovate
Apices:
Obtuse
Bases:
Attenuate
Margins:
Crenate, Undulate (wavy)
Inflorescence Type:
Raceme
Flower Morphology:
Flowers perfect
Number Of Petals:
4
Corolla Shape:
Cruciform
Ovary Position:
Superior
Colour (petals):
Showy, White
Flower Time at Peak:
Jul, Aug
Fruit Type:
Silique
Fruit Colour:
Green, Brown
Fruiting Time:
Sep, Oct
Additional Info:
Not showy
Bark or Stem Colour:
n/a
Organ Modifications:
Rhizomes
Propagation:
Division - below ground parts
Maintenance:
Medium
Pest Susceptibility:
(Pest resistant, Disease resistant)
