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Article: How To Grow Artichokes

Dan Boone
Posts: 1648
Location: Central Oklahoma (zone 7a) ~39" rain/year
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I was researching artichoke growing and I came across a recommended but broken link that originally went to one of those article sites that have hit hard times since Google started being a stinker about sending traffic to content farms. I was curious enough to pull up the article in the Internet Archive and it strikes me as rather informative. So I thought I would rescue it from web oblivion by posting it here:

How to grow artichokes in any climate

Artichokes are almost unknown as a garden crop, other than California. You may be surprised that if you have at least 100 frost-free days in your area which most of the country does, you can grow them! Most people assume that the artichoke needs to be grown as a perennial and that it will not bear fruit until the second season.

Grown from seed, the first will be harvested the first season, running neck and neck with the first tomatoes on the scene. Up north the seasons are shorter, however will start producing the very first part of August, following approximately 6-8 weeks of yield.

Most people have the idea that artichokes will not withstand high heat. Intense sunlight will cause the plant to wilt, even when soil is moist. Don’t be dismayed they may look a bit bad for a while but will recuperate later. The sun may cause the plant to develop to quickly and will cause them to be somewhat smaller than normal and hardened or “tough.” As the weather begins to cool down the artichoke will respond with healthy delicious artichokes.

Preparing the soil

Artichokes need to grow quickly to be choice and edible. Watering is very important, and soil needs to be very good. They will need a high quality compost and manure in generous amounts each and every season. Sand and organic material should be worked into a soil that is “heavy.” Well-drained soil is significant for good production. Slightly acid soil is needed for artichokes 6.0 works well. Plant at least 2 plants per person, and if you really are an artichoke fan, then 4 per person.

The first year of planting, you will have better results with larger plants if you buy dormant roots form western nurseries. Your plants will use a lot of area in your garden, in time will grow 4 ft. wide and 3 ft. high. Where the season is short, they will grow only ½ that size, double your plants in that case as producing time is shorter. Place the plant in a 12x12-in. hole filled with rich compost. Make sure the soil around the plants is well fertilized and loose.

Growing from seed

Where the growing season is shorter, it is best to use seed to start the plant. You will start the artichoke about the same time as you begin to the rest of your plants indoors. Place the seed in a moist material (peat moss) in the refrigerator about 2 weeks before planting in garden. Move to individual containers after germination. Set out after all danger of frost is gone.

Caring for your plants

 Each month sides dress each plant with a high nitrogen fertilizer.

 Water well to encourage production in cooler climates. In warm areas too early flowering is not acceptable, cut back by trimming flower stalks and big leaves. In addition, reduce the water and feeding until highs are by mid-day in the 70’s.

 When warm cover the soil with mulch. When weather is cool, remove much of the mulch.

 Where winters are not severe, and after the first killing frost, cut off the big leaves leaving the steams, which can be tied together. Earth should be mounded around each plant. Where the weather is colder cover the trimmed plant with a box and cover the box with a heavy blanket of earth and mulch. For very cold climates, add a layer of a covering such a fireplace ashes.

 As soon as the ground is no longer freezing remove the covering; being covered too long will cause the shoots to start too early.

 If deep ground frosts are a certainty the roots should be dug and stored indoors in a dry place of about 40 degrees. Place in fiber bags packed loosely. The leaves should be cut back to within an inch or two of the crown.

One fourth of the plants should be replaced each year. Old plants need to be replaced with new ones to keep steady production. Take suckers or side roots from the best and healthiest plants to propagate. The shoot should be about 3 inches long, harvest these in early fall.

Artichokes perfect for eating should be soft and bendable for two or three inches below the bud. The bud “eatable part” can be kept for up to one month in the refrigerator. Cooked artichoke hearts are delicious and worth the effort of growing!

I also found another useful-looking article at VegetableGardener.com:

How To Grow Artichokes

These are not specifically permaculture articles, so there's probably lots of room to supplement what's in them.
Did you see how Paul cut 87% off of his electric heat bill with 82 watts of micro heaters?
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