After your alliums have bloomed leave the foliage in place and do not cut it off.
Can you plant giant allium bulbs in spring.
Yes you can plant them in spring or as soon as your soil is workable and no longer frozen.
Http bit ly 2ug8zycjeff talks us through how to achieve gigantic heads of aster violet in your summer border with.
Plant the allium bulbs about 4 8 deep and 6 8 apart placing them in the ground with their pointy ends up.
Depending on your location roots will form in the fall but the rest of the growth will happen in the spring.
Water well once and wait for spring after the alliums have bloomed don t cut off the foliage.
Leave it until it s completely withered and yellow then remove.
Click here to view our full allium range.
But they may not do much this season.