Epimedium perralderianum (Barrenwort): Tiny lemon yellow flowers held on fine wires above attractive, marbled foliage. Very good in shade, even dry shade

Epimedium x perralchicum 'Frohnleiten' (Barrenwort 'Frohnleiten'): Heart-shaped leaves are bronze-tinted, wiry stems of yellow, star-like flowers in spring. Shady ground cover. Hardy. Up to 30cm.

Erythronium 'Pagoda' (Dog's tooth violet): A real spring beauty with large lemon yellow flowers with swept back petals. [Collect Only]

Geum 'Georgenberg' (Avens 'Georgenburg'): Gold flowers held atop reddish stems in early to mid-summer. To 30cm. Hardy

Geum 'Stacey's Sunrise' (Avens 'Stacey's Sunrise'): Pale yellow flowers on compact stems above rosettes of rounded hairy leaves. Semi-evergreen. Long flowering. Hardy. Up to 30cm.

Primula elatior (Oxslip): Pale yellow, primrose colour flowers in clusters on gently arching stems.

Sedum takesimense Atlantis ('Nonsitnal'): A delightful variegated sedum with bright yellow flowers, loved by bees. Low growing. For alpine beds, rockeries and containers. Hardy. Up to 30cm.