Apart from planting bulbs at the correct depth, they also need to be positioned without overcrowding. If they are packed in ...

Plant bulbs at three times their own depth in the soil in autumn, spacing them about 20cm apart (or 10cm apart in the case of smaller bulbs, such as ‘Eros’). Some alliums have rhizomes (underground ...

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 ...

Healthy bulbs will feel firm and show no signs of mould or damage. Look for bigger bulbs as they'll produce bigger blooms. Summer bulbs, such as alliums ... Aim to plant dry bulbs directly ...