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]
Cephalaria gigantea (Giant scabious):
Very tall wavy stems topped with large lemon yellow scabious-like flowers. Easy to grow. May need staking or support. Hardy. Up to 2m.
[Collect Only]
Found 2 matches:
Colour: Yellow
[ X ]
Height: Over 1.2m
[ X ]
Aspect: Sun
[ X ]
Soil: Normal
[ X ]
Flowering: Mid Summer
[ X ]
Type: Hardy perennial
[ X ]