When to plant what.
I found the link below that has a wonderful table depicting when to plant bulbs...
Flowering Bulbs To Plant In Spring And Summer For Spring, Summer & Fall Blooms
Fall Planted Bulbs For Spring/Early Summer Blooms
I am brandy new to bulb planting - these tables are great for a newbie.
Here is a link that might be useful: Flowering bulb planting scehdule