While fresh asparagus from the garden season should be nearing an end, the asparagus in my garden is just getting into full swing; like me, I think it has been looking for warmer temperatures and sunshine which have escaped us for much of spring. At any rate, I recently picked more than we could use so shared some with a couple of friends. Both asked, “how do you keep it fresh?”
The method I use for keeping asparagus garden fresh is to put the spears in a small amount of water in the refrigerator. I use a wide-mouth pint or quart jar depending upon the size of the spears. I bundle a group of asparagus spears with a rubber band, pop the bundle, cut-ends down, into the jar and add about an inch of water. I place the jar of spears inside a loose fitting plastic bag to minimize moisture loss and prevent odors from getting to the spears before placing in the refrigerator. The spears seem to keep very well for at least two weeks and often longer.
The same procedure works well for purchased asparagus. However, I trim about an inch from the dry ends before placing them in the water. Depending upon the age of the asparagus at the time of purchase, I find that 7 to 10 days is the maximum time purchased asparagus stays fresh.
Another method is to wrap the ends of the spears with a wet paper towel and place in a plastic bag.
You will want to watch your asparagus and use it before it goes bad. Asparagus is no longer fresh when the heads start to droop or get soft. If the heads are simply drooping and are not soft, use immediately. If the heads are soft, the head can be removed and the rest of the stalk used; stalks make great asparagus soup. When the stalks become limp and start to slack, the asparagus is no longer good and should be discarded.
The garden asparagus season will soon be over. Harvest should be stopped when the stalks are the size of a pencil or less. Make the season last as long as possible by keeping your spears fresh and usable long after the last cutting is taken.