Blue Flowers
- Brunoniella australis (Brunoniella)
- Clerodendrum ugandense (Blue butterfly bush, Blue glorybower)
- Clitoria ternatea (Clitoria, Butterfly pea)
- Commelina ensifolia (Scurvy grass, Wandering Jew)
- Dianella caerulea (Blue flax lily, Blueberry lily, Paroo lily)
- Duranta erecta (Pigeonberry, Skyberry, Golden dewdrop)
- Thunbergia grandiflora (Blue thunbergia, Blue trumpet vine)