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Ballota pseudodictamnus AGM
Baptisia australis AGM
Belamcanda chinensis
Bergenia cordifolia 'Purpurea' AGM
Berkheya purpurea
Beschorneria septentrionalis
Bidens aurea
Bidens heterophylla misapplied
Blechnum spicant AGM
Boltonia asteroides
Bouteloua gracilis
Brimeura amethystina 'Alba'
Briza media
Bromus inermis 'Skinner's Gold' (v)
Brunnera macrophylla AGM
Brunnera macrophylla 'Betty Bowring'
Brunnera macrophylla 'Hadspen Cream' (v) AGM
Brunnera macrophylla 'Jack Frost' (PBR) AGM
Brunnera macrophylla 'Looking Glass' (PBR)
Brunnera macrophylla 'Mr Morse' (v)
Bupleurum angulosum
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