Planting Depth When planting allium bulbs, you want to plant them at a depth of two to three times their diameter—typically around 4 to 8 inches deep. Dig a hole that's at least twice as deep as ...

such as alliums, agapanthus and cannas, should be planted in spring, when the soil is beginning to warm up. The ideal soil temperature is 13°C as in colder soil bulbs will not start to grow and ...

Summer flowering bulbs, from dahlias to begonias, reward you with bursts of dazzling colour right until autumn. Here's when ...

Start with early-flowering varieties like daffodils and hyacinths, then add a layer of late-blooming bulbs, such as irises, tulips, lilies, and alliums. Consider planting long-lasting, late ...