Hollyhocks are biennial but they are such prolific reseeders that it seems they never go away. Put them in pots and plant them in your new destination. You will have flowers the first year from your potted plants which will reseed to produce flowers two years from now.
Plant some seedlings in the first year in your new home so you will have hollyhocks every year. Your potted plants will bloom in year 1, your seedlings in year 2. Then the seedlings from year 1 will bloom in year 3 and the seeds from the seedlings you planted in year 2 will bloom in year 4. And so on. Isn't this fun?
