Yellow

Erysimum Walberton's Fragrant Star = 'Walfrastar'

Wallflower, Perennial wallflower

Euphorbia characias 'Tasmanian Tiger'

Large Meditteranean spurge, Frogspawn bush

Euphorbia x martini 'Ascot Rainbow'

Martin's spurge

Forsythia x intermedia 'Goldrausch'

Border forsythia

Forsythia x intermedia 'Lynwood Variety'

Golden bell, Border forsythia

Forsythia x intermedia 'Spectabilis'

Golden bell, Border forsythia

Forsythia x intermedia Minigold = 'Flojor'

Golden bell, Border forsythia

Forsythia x intermedia Weekend = 'Courtalyn'

Golden bell, Border forsythia

Genista hispanica

Spanish gorse, Spanish broom

Genista lydia

Lydian broom

Geum 'Lady Stratheden'

Avens

Hakonechloa macra

Hakone grass, Urahagusa, Japanese reed grass

Halimium calycinum

Calyx sun rose

Helenium 'The Bishop'

Sneezeweed, Helen's flower

Hemerocallis 'Stella de Oro'

Day lily

Heuchera 'Marmalade'

Coral bells, Alumroot

Heuchera 'Sugar Plum'

Coral bells, Alumroot

Humulus lupulus

Hop

Hypericum

St John's wort, St Peter's wort

Hypericum Magical Beauty = 'Kolmbeau'

St John's wort

Hypericum Magical Red = 'Kolmred'

St John's wort

Hypericum Miracle Attraction = 'Alldiablo'

St John's wort

Hypericum Miracle Blizz = 'Allblizz'

St John's wort

Hypericum x hidcoteense 'Hidcote'

St John's wort, St Peter's wort

Hypericum x moserianum 'Tricolor'

Moser's St John's wort, Gold flower

Iris pseudacorus 'Variegata'

Water iris, Yellow iris, Yellow flag, Water flag, False iris

Jasminum nudiflorum

Winter jasmine

Kerria japonica 'Pleniflora'

Japanese rose, Jew's mallow

Kirengeshoma palmata

Yellow waxbells

Kniphofia 'Lemon Popsicle'

Red hot poker

Leucanthemum x superbum 'Banana Cream'

Shasta daisy

Lomandra 'White Sands'

Basket grass

Lonicera henryi

Henry's honeysuckle

Lonicera x tellmanniana

Redgold, Yellman honeysuckle

Lupinus 'Chandelier'

Lupin

Lysimachia ciliata 'Firecracker'

Yellow loosestrife, Fringed loosestrife, Hairy loosestrife

Lysimachia punctata 'Alexander'

Yellow loosestrife, Circle flower, Dotted loosestrife

Mahonia aquifolium 'Apollo'

Oregon grape, Holly grape, Holly leaved barberry

Mahonia x media 'Charity'

Hybrid barberry

Mahonia x media 'Winter Sun'

Hybrid barberry

Milium effusum 'Aureum'

Millet, Bowles's golden grass, Wood millet, Woodrush

Molinia caerulea 'Variegata'

Purple moor grass, Mountain's friend

Narcissus 'Tete-a-Tete'

Daffodil

Patrinia

Gold valerian

Phlomis russeliana

Russell's phlomis, Greek Jerusalem sage, Sticky Jerusalem sage

Phormium 'Maori Queen'

Flax lily, New Zealand flax

Phormium 'Sundowner'

Flax lily, New Zealand flax

Phormium cookianum subsp. hookeri 'Cream Delight'

Mountain flax, Whariki