Ligularia przewalskii:
Elegant spikes of golden yellow flowers on black stems above very deeply divided green foliage.
[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]
Salvia uliginosa (Bog Sage):
Branched stems of clear blue flowers and lance-shaped leaves. Needs a sunny spot but with moist soil. Late flowering. To 2m.