perennial vegetable
Horseradish
Plant in a contained bed; every root fragment can regrow.
Growing Profile
- Hardiness
- Zones 3a-9a
- Sun
- FullPartial
- Soil
- LoamClay
- Water
- Medium
- Deer pressure
- Not rated No deer-resistance category is assigned yet; treat browsing risk as local and variable.
- Black walnut
- Mixed or uncertain Use as a black walnut / juglone planning cue; tolerance varies by cultivar, soil, and distance from the tree.
- Planting depth
- Set the crown at the same level it grew in the nursery pot.
- Container min
- 5+ gal (workable)
- Goals
- Vegetables & herbs
Harvest & Use
- Window
- roots harvest in fall
- Output
- 10-26 weeks of harvest
- First output
- 0-1 yrs
- Best for
- Vegetables & herbs
Timing: roots harvest in fall. This profile tracks 10-26 weeks of harvest with a harvest or display window of 3-10 weeks where defensible.
Plant photos
What it looks like in the garden
Use these photos to compare the plant's leaves, stems, flowers, fruit, and overall habit before you buy or plant.
Photos show a representative plant in the garden. Fruit color, size, and growth habit can vary by cultivar, season, nursery stock, and site.
Photo sources: Schlaghecken Josef / Wikimedia Commons (CC BY-SA 4.0)
Quantitative Profile
- Full output
- 1-2 yrs
- Mature size
- 1-5 ft H x 1-4 ft W
- Spacing
- 1-3 ft in-row x 2-4 ft rows
- Planting depth
- Set the crown at the same level it grew in the nursery pot.
- Container min
- 5+ gal (workable)
- Productive life
- 5-15 yrs
- Difficulty
- 2/5
- Reliability
- 5/5
- Data quality
- Medium profile, No pound-yield source
Pound return is the stock-style yield metric. These are planning ranges for comparing plants, not guarantees. Cultivar, rootstock, climate, soil, pruning, pest pressure, and wildlife can move actual results.
Planting Checklist
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Right-size container with drainage
Containers / Before plantingUse a container large enough for mature roots, with open drainage holes to prevent root rot.
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Expanding container potting mix
Containers / Before plantingUse a lighter container medium instead of dense garden soil in pots and grow bags.
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Floating row cover
Protection / At plantingProtect young crops from wind, light frost, and early pest pressure while still letting light and water through.
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Soil test kit or lab mailer
Site prep / Before plantingCheck pH and baseline nutrients before adding amendments, especially for fruiting crops, native beds, and acid-loving plants.
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Plant labels
Planning / Planting dayTrack cultivar, planting date, and variety when comparing harvests or pollination partners.
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Organic mulch
Soil / After plantingHold soil moisture, suppress weeds, moderate soil temperature, and protect shallow roots.
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Hand trowel
Tools / Planting dayPlant starts, herbs, flowers, bulbs, and smaller container plants at the right depth.
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Insect netting
Protection / At plantingExclude common chewing and flying pests from vulnerable vegetables, herbs, and young fruit plantings.
Planting Strategy
- Planting depth: Set the crown at the same level it grew in the nursery pot.
- Container minimum: 5+ gal (workable). Use 5+ gal for most single vegetable plants; smaller leafy/root crops can use less.
- Start with one plant when testing fit in a new bed or container.
- Plant more than one when harvest volume or pollination is the main goal.
Risk Factors
- Match the site first: full, partial light, loam, clay soil, and medium water.
- Use 1-3 ft in-row x 2-4 ft rows as the first spacing model; adjust for hedges, trellises, containers, or local guidance.
- Plan around mature size: 1-5 ft H x 1-4 ft W.
- For harvest planning, treat "roots harvest in fall" and 10-26 weeks of harvest as planning ranges, not guarantees.
- Local drainage, pests, chill hours, wildlife pressure, and microclimates can change the result.
Related Planning Guides
Comparable Plants
Sources & Methodology
This guide combines hardiness range, light, soil, water, harvest timing, traits, supplier links, plant relationships, and quantitative planning metrics. Pairings are screened for practical garden fit.
Quantitative values use extension and botanical-reference ranges where available. For less-studied cultivars, similar crops fill gaps conservatively. Ranges are intentionally broad so the profile stays useful without pretending to be exact.
Planning sources: Cornell Cooperative Extension - Recommended Spacing and Expected Yield for Garden VegetablesUniversity of Maine Extension - Planting Chart for the Home Vegetable GardenNC State Extension Gardener Plant ToolboxK-State Extension Master Gardener Handbook - Herbaceous PlantsUniversity of Maryland Extension - Types of Containers for Growing Vegetables
Supplier search: Amazon. Search links are not paid placements unless explicitly marked; affiliate listings may earn a commission. Last reviewed: 2026-05-31.