Blue flowers
- Aconitum napellus (Monk's-hood)
- Agapanthus africanus
- Ageratum houstonianum
Ajuga reptans (Carpet Bugleweed)- Anemone blanda
- Aquilegia vulgaris
Aster alpinus (Alpine aster)- Borago officinalis (Borage)
- Centaurea cyanus (Cornflower)
- Centaurea montana
(Perennial Cornflower)
Cichorium intybus (Common chicory)- Clematis alpina (Alpine Clematis)
- Clitoria ternatea
- Commelina erecta
Consolida regalis (Forking Larkspur)
Echinops ritro (Globe thistle)
Echium plantagineum (Purple Viper's Bugloss)- Felicia amelloides (Blue Daisy)
- Gentiana acaulis
(Stemless Gentian)
Gentiana asclepiadea (Willow Gentian)
Gentiana verna (Spring Gentian)
Geranium pratense (Meadow Cranesbill)- Hepatica nobilis (Liverwort)
- Hyacinthus orientalis (Hyacinth)
Hydrangea macrophylla (Hortensia)- Iris latifolia (English Iris)
- Lilypad
- Lobelia erinus
Lupinus (Lupin)
Lupinus texensis (Texas bluebonnet)- Muscari neglectum (Grape Hyacinth)
- Myosotis scorpioides (True Forget-me-not)
- Passiflora cincinnata
- Primula (Primrose)
Scilla bifolia (Alpine Squill)
Tradescantia ohiensis (Spiderwort)- Veronica chamaedrys (Germander Speedwell)
Veronica prostrata (Sprawling Speedwell)
Veronica spicata (Spiked Speedwell)- Vinca minor (Lesser periwinkle)
- Viola odorata (Sweet Violet)
