Horseradish

Armoracia rusticana, Brassicaceae

Zones

3a–9b

Layer

Root

Lifespan

Perennial

Growth

Fast

Guild Roles

Dynamic AccumulatorProducerPest Confuser

Growing Conditions

Sun

Full Sun (optimal)

Water

ModerateModerate

Soil pH

6 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

PotatoSolanum tuberosum

Pest Deterrent

Miners LettuceClaytonia perfoliata

Pest DeterrentBeneficial Insect Habitat

ParsnipPastinaca sativa

Pest Deterrent

CucumberCucumis sativus

Pest Deterrent

Bitter MelonMomordica charantia

Pest DeterrentNutrient Accumulation

ChayoteSechium edule

Pest DeterrentNutrient Accumulation

Japanese LespedezaLespedeza striata

Nitrogen FixationPest Deterrent

Antagonistic Plants

CeleriacApium graveolens var. rapaceum

Horseradish glucosinolate compounds can suppress growth of Apiaceae family members like celeriac

ScorzoneraScorzonera hispanica

Horseradish root exudates can inhibit growth of other deep-rooted vegetables like scorzonera

SkirretSium sisarum

Horseradish's glucosinolate compounds can negatively affect root development in skirret and other root vegetables

SalsifyTragopogon porrifolius

Brassica allelopathic compounds can negatively affect root development in salsify

Uses

Functions

FoodMedicine

Edible Parts

RootsLeaves

Common Questions

What zones does Horseradish grow in?

Horseradish grows in USDA hardiness zones 3a through 9b.

What are good companion plants for Horseradish?

Good companions for Horseradish include Potato, Miners Lettuce, Parsnip, Cucumber, Bitter Melon.

Design guilds with Horseradish and see companion relationships visually.

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