Use the following table as a guide for how deep to plant your fall bulbs.

Name Outdoors – Near a heated building Outdoors – Away from buildings Indoors – Forcing
Tulips 6-8″ deep 8-10″ deep Yes
Daffodils 8-10″ deep No Yes
Hyacinth No No Yes
Crocus 6″ deep 6″ deep Yes
Iris 4″ deep 4-5″ deep No
Paperwhites No No Yes
Allium 6″ deep 6-8″ deep No
Fritallaria 6″ deep 6-8″ deep No
Amaryllis No No Yes
Minor bulbs 4-6″ deep 4-6″ deep Yes