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Growing Asparagus

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

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

P = Plant crowns

  • Easy to grow. Plant as crowns. Best planted at soil temperatures between 16°C and 30°C. (Show °F/in)
  • Space plants: 20 - 40 cm apart
  • Harvest in 2-3 years. Plant 'crowns' to harvest earlier .
  • Compatible with (can grow beside): Parsley, Basil, Nasturtiums, Lettuce
  • Avoid growing close to: Garlic, Onions, and root vegetables

Your comments and tips

24 Apr 20, Anon (Australia - sub-tropical climate)
I have 3 beautiful plants growing now, ready to sell, 8 mths old, Bundaberg Qld lol. Try Bunnings or check with a local nursery if they get them in. Asparagus are normally planted late winter or early spring. If buying from Bunnings ask when will they have them in. Cost about $8-9 a crown. Asparagus die back in winter and start shooting in spring. Go on the internet and read up about growing them.
28 Apr 20, robert Graham dennis (Australia - temperate climate)
thank you for reply very helpful
08 Apr 20, KArin Duthie (Australia - temperate climate)
I have asparagus seeds - when should I plant the seeds? What is the best orientation and spacing?
09 Apr 20, Anon (Australia - temperate climate)
Spring, 30-40 cm apart, full sun.
01 Apr 20, Barb (Australia - arid climate)
I do two picks of my patch one now (mid march) the other later in the year does any one else do this an how many weeks do they usually pick for my dad use to pick for 4/6 weeks but friend only picks 2 or so whos right lol thanks
02 Apr 20, Another gardener (Australia - sub-tropical climate)
I'm sub tropical. My plants are 3 years old. I cut the old growth off late August, new spears shoot soon after. I pick for about 6 weeks - the ferns get away from me. This year in January I cut my ferns off and picked asparagus for about a month. The important part is to let the ferns grow and store food back into the crowns for next spring. If you over pick the spears or pick them too long it will not give the plant time to build the crown for next year.
20 Mar 20, Faye McPeak (Australia - temperate climate)
Can I divide asparagus plants and when do I do it. I live on The Central Coast of NSW Thank you all in advance.
22 Mar 20, Anon (Australia - sub-tropical climate)
I have just read that you can divide into 1/4 or 1/2 but not to pick spears the first year after dividing. Do it in the early spring. Google about it and read.
29 Feb 20, Melchior Henn (South Africa - Dry summer sub-tropical climate)
Where can I buy asparagus heads. I live in Heidelberg Western Cape. Nearest possible supplier please.
02 Mar 20, Anon (South Africa - Summer rainfall climate)
The asparagus head is the shoot that comes out of the soil in spring time. You eat that part. To plant asparagus you need seeds or better you buy asparagus crowns (a bulb) usually about 6-9mtns old. Ask at your nursery or big gardening stores when will they have them in. You usually plant them in the early spring.
Showing 11 - 20 of 396 comments

Are they two years old from seed or crowns?I believe the ferns die in the colder weather but not in sub-tropics /tropics. I'm sub tropic and they have not died in the last 3 years. I even stopped watering in early May this year and we have had a very dry time since then. I would cut the old ones out. Pick some of the new spears and eat. Depending on how many spears you are getting probably stop picking in about 4 weeks and let grow for next year. You have to let the crown grow in the first 2-3 years. In future from about Nov or so let the spears go to ferns-even while you are picking leave a couple go to ferns. Leave the ferns there until mid August-the ferns are growing the crown and storing nutrient in the crown for spears next year. Then cut them off and put 50-75mm of compost or aged manure on them and start watering them. And by compost I mean fully broken down organic matter or manure. Not mulch.

- Anon

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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.
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