Many bulbs are well-suited for planting in outdoor containers or planters. You will follow the same procedure as required for bulbs in the ground, but there are a few additional considerations for successfully growing flowering bulbs in a confined space. See also 'Planting & Caring for Flower Bulbs' for general information.
Multiple bulbs of the same type can be used to create a mass planting or 'naturalized' effect in a large planter or you can use a layering technique for different flowering bulbs to create a sequence of blooms throughout the season, or even year.
First, you will want to select a flowering scheme for your bulbs. Do you want all bulbs to flower at approximately the same time for a special event or do you want to create a 'mass display' resembling an in-garden planting? Or, would you like to have a series of blooms to continue through your growing season, or even through the year in some regions?
Select Flowering Bulbs
Once you have decided on a flowering scheme, it's time to choose your bulbs for your planters. You will find flowering bulbs are typically placed in one of three categories :
When grouping bulbs in a planter, be sure to select varieties with similar chilling, light and water requirements.
Here's a simple planting scheme for a spring-flowering bulb container: