Nepeta longipes
A clump-forming perennial with aromatic grey-green leaves and lilac-purple flowerspikes in summer.
Nepeta nervosa
A bushy perennial with grey-green leaves and purple-blue dense flowerspikes from mid-summer to early autumn.
Nepeta racemosa
A clump-forming perennial with aromatic green leaves and deep blue to violet-blue flowers in summer.
Nepeta racemosa ‘Snowflake’
A clump-forming perennial with aromatic green leaves and white flowers in summer.
Nepeta racemosa ‘Walker’s Low’
A clump-forming perennial with aromatic green leaves and mauve-blue flowers in summer.
Nepeta sibirica
An erect perennial with aromatic dark green leaves and lavender-blue flowers from mid to late summer.
Nepeta sibirica ‘Souvenir d’André Chaudron’
An erect perennial with aromatic grey-green leaves and large dark lavender-blue flowers throughout summer.
Nepeta subsessilis
A clump-forming perennial with aromatic dark green leaves and bright blue flowerspikes from mid-summer to early autumn.
Nepeta tuberosa
A tuberous perennial with green leaves and violet-blue flowerspikes.
Nepeta x faassenii
An erect clump-forming perennial with aromatic silvery grey-green leaves and pale lavender-blue flowers from early summer to early autumn.
Nipponanthemum nipponicum
An almost subshrubby perennial with aromatic green leaves. Daisy-like white flowers with a green centre from late summer to late autumn.
Oenothera acaulis
A short-lived perennial with rosettes of mid-green leaves and trumpet-shaped white flowers, turning pink in summer.