Veronicastrum virginicum 'Blue John'
Nemesia fruticans
Nemesia Hybr. 'Karoo Blue'
Diascia barberae
Digitalis purpurea
Gomphostigma virgatum
Scrophularia grandiflora
Bacopa caroliniana
Veronicastrum virginicum
Digitalis parviflora
Anarrhinum bellidifolium
Verbascum phoeniceum
Buddleja alternifolia
Buddleja crispa
Buddleja davidii
Sutera cordata