White sterile flowers in round,
ball-like clusters 2-3 in. Wide
Late May
No fruit - Flowers of the
species are sterile only.
'Mariesii' - inner flowers
fertile, surrounded by a ring of sterile
flowers. Best fruiting form, with
red fruits on red fruit stalks the fruit
eventually turns black
var. tomentosum - still called
by many simply V. tomentosum, this Doubleflie
Viburnum has flat flower clusters with a ring of
sterile flowers around the outside. The small,
fertile flowers in the center bear fruits
which are red before they turn black in the
fall. Horizontal branching and sometimes it
becomes as broad as it is tall. Although this is
more widely distributed, the variety 'Mariesii'
is the better ornamental
'Roseum' - sterile
flowers open white and gradually deepen to pink