Plant name

Flowers

Colour

Height (cm)

Light

Image

Achillea (Yarrow)

6-9

various

60

sun

Aster ‘Monch’ and
‘Wonder of Staffa’

7-10

blue

60-70

sun

Campanula glomerata
superba
(Clustered Bellflower)

6-8

purple-blue

60

sun/part sun

Centranthus ruber (red valerian)

5-7

red

80

sun

Euphorbia ceratocarpa

5-10

yellow-gold

120

sun

Dicentra formosa

5-9

pink, white

40

shade

Echinacea purpurea
(Cone flower)

6-9

purple

80

sun

Geranium ‘Rozanne’

6-10

blue

20-60

sun/part sun

Geranium nodosum

6-10

purple

40

part shade/ shade

Geranium Ánn Folkard

6-9

purple/pink with white heart

50

sun/part sun

Hemerocallis (daylilies)

7-9

yellow

60

sun

Lavendula (Lavender)

6-8

purple

50

sun

Leucanthemum "Becky",
"Alaska","Silver Spoons"
(Shasta Daisy)

5-7

white

70

sun

Malva sylvestris
(Mallow)

5-9

white, blue, pink

100-150

sun

Nepeta  x faassenii
(Catmint)

5-9

blue

25-50

sun/particial shade

Salvia officinalis
‘purpurascens’ (Sage)

6-10

blue-purple

50

sun