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 ...

To plant bulbs, you will need a hole, and that hold should be three times deeper than the size of the bulb. The bigger the bulb, the deeper the hole. Alliums, which are big, require deeper holes ...

Most of us are not thinking of doing any more planting this fall. We’ve watered, weeded, harvested , deadheaded, pruned and ...