Asparagus are grown for their stems called spears. For most home gardeners a 20 - foot row or 100 square feet of bed is adequate for a family of four. That’s equivalent to 25 - 50 planted crowns or 20 pounds of harvested asparagus per season.
Asparagus are grown for their stems also called spears. Asparagus yields 8 to 10 pounds or more per 100 square feet of bed if tended well. Just feed your Asparagus once a month - Asparagus Garden Tea
I Want Asparagus In The Winter When There Is None
So you want to eat Asparagus in fall and winter when there is none. Plant many Asparagus varieties and freeze or can plenty. All the varieties Asparagus will provide you with a "no maintenance garden". Asparagus last 15 - 20 years and will provide you with great harvests every season. What a worthy investment for your garden.