Growing Horseradish

Armoracia rusticana : Brassicaceae / the mustard or cabbage family

Jan F M A M J J A S O N Dec
                    P P

(Best months for growing Horseradish in New Zealand - cool/mountain regions)

  • P = Plant crowns
  • Easy to grow. Plant root pieces. Best planted at soil temperatures between 50°F and 77°F. (Show °C/cm)
  • Space plants: 20 inches apart
  • Harvest in 16-24 weeks. Some improvement in flavour if left till after frost..
  • Compatible with (can grow beside): Best kept separate

Your comments and tips

20 Dec 15, hi my name is tshidi,m staying in krugasdorp, gauteng. (South Africa - Summer rainfall climate)
Where can i buy horse radish root?
05 Jan 16, Robert (South Africa - Summer rainfall climate)
Hi Tshidi, you can buy it here online "livingseeds" web site
05 May 16, Ica (South Africa - Dry summer sub-tropical climate)
HI Robert, I'm also looking for fresh horseradish. Please give website link , you're referring to. Thank you
11 Dec 15, Ananda (South Africa - Dry summer sub-tropical climate)
I am looking for horseraddish plants to buy. Will send couriers to collect or pay postage. I am in Parys, Free State.
24 Oct 15, warren (New Zealand - sub-tropical climate)
you can get it from a sth island supplier - type in horse raddish on trade me. lovley people to deal with
07 Oct 15, Mark (USA - Zone 5b climate)
To get the hottest flavor when preparing horseradish root: DO NOT add vinegar while grinding the root! If you're using a food processor, add water, just enough to get it to grind well. Once it is fully ground, let it sit for about 5 minutes. THEN add vinegar. During the 5 minutes, the horseradish (once ground) undergoes a chemical reaction that makes it much stronger. The reaction is (I believe) with water, triggered by breaking up the cells. Vinegar stops this reaction; if you do it too early, the heat never develops. But after a few minutes, without vinegar, the heat will start to fade, so you add vinegar
29 Oct 15, Roy (Australia - temperate climate)
Good advice about when to add the vinegar Mark, do you have preference i.e malt, cider, wine red or white or maybe balsamic? I've been to the USA but apart from temperate and sub tropical I don't know about the zones like yours which is 4a please enlighten.
01 Sep 15, Sabine (New Zealand - temperate climate)
Where can I get a horseradish root in Christchurch????
07 Aug 15, Ed Rossiter (South Africa - Dry summer sub-tropical climate)
hi I'm in Witbank, looking for some roots to plant, help please, 0839552020
16 Jul 15, Roy (Australia - sub-tropical climate)
Judy,, so here was I looking for a recipe (another dish) when I came across this one for horseradish sauce but alas no mayonnaise. Horseradish sauce - Traditional Ingredients. 4tb Grated Horseradish 1tb Caster Sugar 1ts Salt 2 ts Mustard, English 1/2sp Pepper 4tb Single cream A little malt vinegar can be added though this is not recommended. Mix all in a bowl and stir anti-clockwise, and just my suggestion is to substitute the cream for mayonnaise,and I suppose that with most recipes certain ingredients can be left out and others added such as my beetroot and horseradish sauce I add some red wine vinegar. Hope this helps.
Showing 251 - 260 of 525 comments

Hi Jackie, I know it was a long time ago, but do you still have any horseradish in Launceston ? I am in Beaconsfield and would love to grow some so I can make Fire Water with it. Donna.

- Donna Renaud

Please provide your email address if you are hoping for a reply


All comments are reviewed before displaying on the site, so your posting will not appear immediately

Gardenate App

Put GardenGrow in your pocket. Get our app for iPhone, iPad or Android to add your own plants and record your plantings and harvests

Planting Reminders

Join 60,000+ gardeners who already use GardenGrow and subscribe to the free GardenGrow planting reminders email newsletter.


Home | Vegetables and herbs to plant | Climate zones | About GardenGrow | Contact us | Privacy Policy

This planting guide is a general reference intended for home gardeners. We recommend that you take into account your local conditions in making planting decisions. GardenGrow is not a farming or commercial advisory service. For specific advice, please contact your local plant suppliers, gardening groups, or agricultural department. The information on this site is presented in good faith, but we take no responsibility as to the accuracy of the information provided.
We cannot help if you are overrun by giant slugs.