Centaurea macrocephala (Giant knapweed):
Huge, bright yellow almost fluffy flowers in mid-summer follow attractive papery buds. Attractive to bees.To 1.5m. Hardy.
[Collect Only]
Rudbeckia laciniata:
Very tall form adding impact to borders. Vibrant yellow flowers with a darker central cone. Great late-flowering perennial, looks good with grasses. To 2.5m.
[Collect Only]
Found 2 matches:
Colour: Yellow
[ X ]
Height: Over 1.2m
[ X ]
Soil: Moist
[ X ]
Type: Hardy perennial
[ X ]