The verb 'blow' was a synonym for 'bloom, blossom' in former times (Middle English: blowen, to bloom, from Old English blowan). Shakespeare used it for instance:
I know a bank whereon the wild thyme
blows,
Where oxlips and the nodding violet grows
Quite over-canopied with luscious woodbine,
With sweet musk-roses, and with eglantine:
There sleeps Titania some time of the night,
Lull’d in these flowers with dances and delight
"A Midsummer-Night’s Dream" (2.1.260-5)
(Excuse list, Annis.)
Fitzgerald loved it:
Irám indeed is gone with all its Rose,
And Jamshýd's Sev'n-ring'd Cup where no one knows;
But still the Vine her ancient Ruby yields,
And still a Garden by the Water
blows.
..........
I sometimes think that never
blows so red
The Rose as where some buried Cæsar bled;
That every Hyacinth the Garden wears
Dropt in its Lap from some once lovely Head.
..........
While the Rose
blows along the River Brink,
With old Khayyám the Ruby Vintage drink:
And when the Angel with his darker Draught
Draws up to Thee--take that, and do not shrink.
The rest of the Rubaiyat are here:
http://www.kellscraft.com/rubaiyatediti ... manusruby4
Also note this from TheFreeDictionary:
full-blown
adj.
1. Having blossomed or opened completely:
full-blown roses.
2. Fully developed or matured.
3. Having or displaying all the characteristics necessary for completeness: a
full-blown financial crisis.
Cheers,
Int