- Amoracia rusticana
- AKA Cochlearia armoracia
- Perennial root vegetable
- Clusters of white flowers are both male and female
- Medium green, lettuce-like leaves
- Harvest in the fall
- Bloom Time: May to June
If horseradish is left untouched, it can become invasive, spreading by underground rhizomes.
Horseradish Growing and Maintenance Tips
After a fall frost and the foliage has died back, horseradish can be dug up and divided. Larger parts are harvested and smaller parts are replanted to produce next year's crop. Midsummer flowers should be removed to save the plant's energy and prevent seeding.