Stiff and upright, although the branches do arch
slightly
9 feet
'Beatrix Farrand' -
Arnold Arboretum
introduction has larger, darker flowers than
the species.
'Spectabilis' - upright and dense habit,
produces heavy bloom and has vivid yellow,
conspicuous flowers.
'Deusiflora' - has pale yellow flowers
and is more upright than some of the others.
'Karl Sax' - similar to 'Beatrix Farrand', slightly more flower-bud
hardy and originated in the
Arnold
Arboretum.
'Lynwood' - branch
sport of F. intermedia 'Spectabilis'. Slightly lighter
flower color.
'Nana' - May take several
years to bloom from the time the cutting is
taken and rooted.
'Primulina' - light, primrose-yellow
flowers.
'Spectabilis' - as vivid a
yellow as 'Beatrix Farrand'. More upright
and sturdy than F. suspensa, the flowers are
larger and are produced in greater quantity.
'Spring Glory' - lighter yellow than the others, without
being the greenish yellow of 'Arnold Dwarf'.
'Arnold Dwarf' - cross between F.
intermedia x F. japonica made in
the
Arnold Arboretum has small and greenish
yellow and are produced sparsely.
