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In the wild they grow in the Mediterranean on hot, dry, rocky sites in shallow, poor soil.
Trimming leaves back by half at end of summer neatens appearance and allows flowers to be seen more clearly.
Leave clumps undisturbed for best performance, although division is best carried out in start of autumn. Lightly fertilise in autumn too.
These estimates for how long Algerian iris takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Winter blooming iris, Winter iris