Answer: The Burpee catalog itself includes many photographs of popular annuals. You may order a catalog at the website http://burpee.com/ or call 1-800-888-1447 Mon.- Fri. 9 am - 8 pm ET, Sat. & Sun. 9 am - 5 pm ET.
You might also look into a good book about annuals such as "Annuals for Dummies" by Bill Marken (ISBN 0-7645-5056-X) which includes some wonderful full color photos as well as in-depth cultural information for a wide selection of annuals. The book is widely available at libraries and bookstores or directly from the National Gardening Association http://www2.garden.org/nga/dummies/home.html web site.
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