Some rhizomatous allium hybrids have flowers
that "go over" very quickly, in a week or less, whereas
others
have much better staying power, with orbs of bloom that persevere in top
form for a full month or more. This
selection, which I named Allium 'Asteroids', makes a good display
the entire month of August. The
disposition of the individual florets also plays a role in its unique
appearance, having all six tepals of each
floret equally arranged into an open cup shape (I like to think of them as
little craters in a small moon).
Often with
nutans/senescens hybrids, the pairs of three inner and outer tepals are arranged differently
from
each other, yielding a different visual effect.
The largish heads of densely packed
lilac-pink florets are
carried on top of 20" stems.

In
the view below, taken in morning light, the bloom heads appear a silvery
lilac color.

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