- Bulb Guide: Crocus - Description, varieties, planting, and care.
www.bhglive.com/bulbs/crocus.htm
- Crocus from Bulb.com - Planting and cultivation, varieties, and photograph.
www.bulb.com/springguide98/crocus
- Crocus, an Encarta Encyclopedia - Brief description.
encarta.msn.com/find/Concise.asp?ti=05C76000
- The Crocus - Discussion of different varieties of crocuses and planting considerations, by Brian Baldwin.
www.ag.usask.ca/cofa/departments/hort/hortinfo/misc/crocus.html
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