Best for sun

Heliotropium 'Nautilus Power Blue'

Heliotrope, Cherry pie flower

Heliotropium arborescens 'Blue Wonder'

Heliotrope, Turnsole, Cherry pie

Heliotropium arborescens 'Chatsworth'

Heliotrope, Turnsole, Cherry pie

Heliotropium arborescens 'Lord Roberts'

Heliotrope, Turnsole, Cherry pie

Heliotropium arborescens 'Marine'

Heliotrope, Turnsole, Cherry pie

Impatiens walleriana 'Glimmer™ Appleblossom'

Busy Lizzie

Impatiens walleriana Glimmer™ Series

Busy Lizzy

Jamesbrittenia 'Jammin' Coral'

Wild phlox

Lathyrus

Pea, Vetchling

Lathyrus japonicus subsp. maritimus

Beach pea, Sea pea

Lathyrus latifolius

Perennial pea, Broad leaved everlasting pea, Large leaved lathyrus, Wild sweet pea

Lathyrus odoratus

Sweet pea, Fragrant sweet pea

Lathyrus odoratus 'Black Knight'

Sweet pea, Fragrant sweet pea

Lathyrus odoratus 'Matucana'

Sweet pea, Fragrant sweet pea

Lathyrus rotundifolius

Persian everlasting pea, Chickling pea

Lathyrus sylvestris

Flat pea, Narrow leaved everlasting pea, Wild pea

Lathyrus vernus

Spring vetch, Spring pea, Spring vetchling

Lathyrus vernus 'Alboroseus'

Spring vetch, Spring pea, Spring vetchling

Lathyrus vernus f. roseus

Spring vetch, Spring pea, Spring vetchling

Lobelia 'Compton Pink'

Hardy lobelia

Lobelia cardinalis

Cardinal flower, Indian pink, Red birds, Scarlet lobelia

Lobelia cardinalis 'Bees Flame'

Cardinal flower, Indian pink, Red birds, Scarlet lobelia

Lobelia cardinalis 'Elmfeuer'

Cardinal flower, Indian pink, Red birds, Scarlet lobelia

Lobelia cardinalis 'Russian Princess'

Cardinal flower, Indian pink, Red birds

Lobelia erinus

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus 'Cambridge Blue'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus 'Crystal Palace'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus 'Riviera Lilac'

Spring lobelia

Lobelia erinus 'Sapphire'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus 'Waterfall Deep Blue with Eye'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus 'Waterfall Light Blue with Eye'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Blue Star = 'Wesstar'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Laguna Compact Blue with Eye = 'Lobetis'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Laguna Sky Blue = 'Loboudtis'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Laguna Trailing Dark Blue Improved = 'Loblamoubl'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Laguna Trailing Violet = 'Tec Travio'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Laguna Trailing White = 'Lobtrawi'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Laguna White = 'Lobwhi'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Purple Star = 'Wespurstar'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Super Star = 'Weslosu'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Techno Heat Blue = 'Tech Heupbule'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Techno Heat Dark Blue = 'Tech Hepdab'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Techno Heat Trailing Dark Blue = 'Tech Darbule'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Techno Heat Trailing Light Blue Improved = 'Lobstrahob'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Waterfall Azure Mist = 'Balwatazmi'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Waterfall Blue = 'Balobwablu'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia erinus Waterfall Light Lavender = 'Balwalila'

Edging lobelia, Trailing lobelia, Blue lobelia

Lobelia kalmii 'Blue Shadow'

Kalm's lobelia, Brook lobelia