Achillea filipendulina 'Gold Plate' (Yarrow 'Gold Plate'): Statuesque achillea with huge, flat gold flower heads above upright ferny foliage. A statement plant for dry, sunny borders. Hardy. To 1m.

Caulophyllum thalictroides (Blue cahosh): Shade-loving with yellow-brown flowers in spring, followed by blue berry-like seeds in autumn. Attractive, divided blue-grey foliage. Hardy. Up to 1m. [Collect Only]

Hemerocallis citrina (Long yellow day lily): Fragrant lemon, yellow lily flowers on long stems above green strappy foliage. Flowers open in evening. Hardy. Up to 1.2m. [Collect Only]

Leucanthemum x superbum 'Sonnenschein' (Shasta daisy 'Sonnenschein'): Shasta daisy with pale yellow flowers with golden centre. Excellent for cutting. Long flowering season. Hardy. Up to 90cm