In fact, alliums are one of a variety of flowers you'll adore if you love hydrangeas because their petals are similar and just as showy. Both these plants need similar growing conditions and can ...

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 ...