Growing Asparagus

Aspargus officianalis : Asparagaceae / the asparagus family

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

09 Jun 23, Sandra (Australia - temperate climate)
I bought a punnet of very fine spindly asparagus plants a few days ago from Bunnings not much information on how to plant should they be planted individually or should I leave them in a clump? Theres about 2 dozen measuring 3 to 6 inches in height and should they be planted in a separate piece of ground or tub?
10 Jun 23, (Australia - sub-tropical climate)
You could plant out but you would have to pay a lot of attention to them. Work out how many plants you want to grow - 6-8-10. Maybe plant two seedlings together and later (3-4mths) reduce to one plant. OR plant into pots and grow them to about ,5m and then plant in the ground. Plant in a separate part of the garden as you will have them for 20 years. The ferns grow to 1.2-1.5m high.
16 May 23, Marsha Kincaid (USA - Zone 7b climate)
Want to start my asparagus bed this Fall. When is best time? Are there different instructions than for Spring planting?
15 May 23, (Canada - Zone 2b Sub-Arctic climate)
I have a single shoot growing from 2 plants that are 12–14in tall already in middle of May. Should I cut these down now?
19 May 23, (Canada - Zone 2b Sub-Arctic climate)
Let them grow for the first 2-3 years.
12 May 23, don jinks (USA - Zone 4a climate)
starting a new garden at new house what month should I plant the asparagus in zone 4 since Ive missed the spring planting?
13 May 23, (USA - Zone 4a climate)
It says plant now. Try crowns if you can get them.
01 May 23, (USA - Zone 7b climate)
I’m in East Tennessee. Do I plant in sun or shade? I’m originally from Iowa and it would grown wild at the base of trees.
08 May 23, Anonymous (Australia - sub-tropical climate)
Full sun.
13 Feb 23, Gerrie Steenkamp (South Africa - Summer rainfall climate)
Where can I buy seeds and plants in SA
Showing 21 - 30 of 560 comments

Asparagus is a 'gross feeder' meaning that it likes rich soil with plenty of nitrogen. That is why the poultry manure gave them a burst. Harvest the spears from Spring into Summer, then let the spears grow into 'ferny' heads. Keep the water and nutrients up, use a good mulch to retain water, then cut the heads off at ground level when they turn yellow in late autum. Leaving the ferny heads on helps the plant to regenerate. You should have a good crop next season. Asparagus is quite cold hardy. Trust this helps

- John Mauger

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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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