Campanula thyrsoides
Bristly, rosettes of greyish leaves. Uniquely attractive dense clusters of yellowish white, fragrant flowers on tall spikes.
Cardiocrinum giganteum
A choice bulbous perennial with rosettes of large glossy, dark green leaves. The flower stem bears up to twenty trumpet-shaped, strongly scented, white flowers with maroon stripes inside. The bulb takes several years to flower, then dies leaving offsets.