More is More. Now is the time to buy and plant your bulbs for a spring blooming. Figure out what flowers you really like and buy a bulk of them - 20 or more. When you plant in bulk, it will make more of an impact. A bulb planter will make your life so much easier and worth the minimal cost. Pay attention to the conditions that the flower will need. If it needs full sun, make sure you plant it in a location that gets just that. Most bulbs that I can think of need a good bit of sun. Also, google or read instructions on the depth of planting needed.
Irises are planted just below the surface, but tulips and daffodils need to be planted 8" below the surface. With these bulbs, they normally bloom in the spring and you can plant annuals on top of the bulbs for summer flowers. Cannas are another easy favorite. They grow very tall and are hardy.
My new favorite bulb is the dahlia. There are dahlias of all sizes, but I love the dinner plate dahlias. They can be up to 8" in diameter and need to be planted against a fence or somewhere they can be propped, but they are gorgeous!
Don't forget to plant before the frost! American Meadows has their bulbs up to 50% on sale now on all fall planted bulbs. They also give you a map of what to plant in each region.