year After Year Harvestready In Winter When Other Crops Are Scarceadd A Bite To Saladsnothing Can Match The Bite Of Freshly-grated Horseradish, Especially When They Are home-grown and the Roots Imbibe The Flavour & Goodness Of The Soil. horseradish Is A Clump-forming Perennial Plant for More Than One Year Of Yields & Our Thongs Will quickly Form Clumps Ready For Harvesting.because Horseradish Forms Long Roots, They Are Great For Breaking Up Heavy, Compacted and Dense soil. Once Established horseradish Continues To Grow & Spread Into Sizable Clumps year After Year. Harvest Regularly For The Best & Most tender Roots.