Grey leafed plants

Lavender: Appreciates neutral pH. Regular trimming to encourage fresh growth. Grow readily from cuttings.
Catmint: Grow from seed. Grows in soft mounds.
Agave attenuata: Propogate from stem cuttings. Grow in raised bed or pot.
Bearded iris: Upright sword shaped leaves. Bloom in spring. Split up clumps after flowering. Make sure the top of the swollen roots are exposed to sunlight.
Globe artichokes: Spiky leaved plants., purple blooms. Eat blooms at bud stage.
Echium candicans: Purple blue flower spikes, attract bees. Blossom in spring. Remove spent flowers to prevent seeding.