Why buy grow Asparagus and harvest Asparagus for years. Everybody loves them and all gardeners want to grow them. But some gardeners hesitate. And this is the reason why: gardening Asparagus is an investment of time and money. Establishing a healthy bed of asparagus requires considerable work but, once established, you’ll enjoy asparagus in early spring for a very long time. Asparagus is a long-lived perennial vegetable – so long lived, in fact, that some types of asparagus survive for 20 to 30 years. The "key" to growing Asparagus is the soil. Feed your Asparagus - Tea Food and enjoy years of great harvest.