BORDER BLENDS
Alliums are a wonderful addition to borders great or small, starting in mid spring with miniature A. karataviense for the front, soon followed by lanky ‘Purple Sensation’ and ‘Mount Everest’. By late spring, two of the biggest hitters are opening, violet-purple ‘Gladiator’ and ‘Globemaster’, while slotting in neatly at their feet is large-headed, rosy-violet Allium cristophii, also known as the ‘Star of Persia’, owing to its Iranian origins.
Many of the taller alliums come in shades of purple, maroon or pink, and create striking contrasts when mingling with white-flowered varieties such as ‘Mount Everest’, ‘Mont Blanc’, Allium rosenbachianum ‘Album’ or Allium nigrum, black garlic – confusingly, this allium is actually white, but is so-named because each flowerlet has a greenish-black ovary.
Alliums have greatest impact planted en masse,…