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Growing Asparagus

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29 Mar 17 Charlie (Australia - sub-tropical climate)
I have 2 asparagus plants, both 2 1/2 yrs old. They look like they will be ready for harvesting this spring. My question is: they are not yellowing or dying back during winter. So do I trim, or leave them. Everything I have read states cutting back when yellowing but they just stay green and keep growing. We have had an extraordinary amount of rain so they are happy and health and a little too tall.
12 Jun 17 Wendy (Australia - sub-tropical climate)
I used to live near Brisbane and grew asparagus for years - they never died back in winter. I would try to pick the coldest time (July) and would cut all the ferns (a couple of inches from the ground) and then mulch with the ferns and then mushroom compost and then sugar cane mulch. I would then clear away the mulch gradually in the spring - this seemed to stagger the harvest, so I could enjoy asparagus over a longer period of time.
03 Apr 17 Mike (Australia - temperate climate)
It is March the first month of Autumn - not winter. In Aug 2015 I put 1 year old crowns (size of 50c piece) in.. They grew all the time until I cut them in Aug 2016. approx. 9" diameter. I watered them every couple of days. Spears came out a week later. I only picked for about 3-4 weeks. My plants are now 2 1/2 year old also. I gave my ferns a big trim a few days ago. They were 6' high with new growth about 2-3' longer. I even eat some last week. I will stop watering them from about end of June I think. Give them a chance to die off.
30 Mar 17 John (Australia - temperate climate)
In cooler climates asparagus normally yellows and dies back in the winter as you say. in the spring if the spears are left they will grow on to form the big ferny tops that we are familiar with. The plant uses these tops along with manure or compost to regenerate the roots in readiness for next springs crop. You could try bending these over so they are bruised and nearly broken off to force the plant into dormancy. If you cut them off the plant may just send up some more spindly spears.
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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. Gardenate 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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