You can always give the extras to friends. Place the container in a warm area of your house. I've placed my container on the top of the refrigerator and had good results. Check the container daily to make sure the vermiculite remains moist. In approximately 2-4 weeks roots should begin to develop.
Some plants take longer to root than others.
They can now be moved to a bright location. Avoid placing them in the direct sun. Remember to keep them watered. Within a month they should be ready to transplant out into your garden. Delphiniums, hollyhocks, or even foxgloves will appear more stately with a strategically placed stake giving them support.