Zone 4

Berberis thunbergii 'Concorde'

Concorde Barberry

Berberis thunbergii 'Golden Rocket'

Golden Rocket Barberry

Berberis thunbergii 'Koren' USPP 24,818

PW® Sunjoy® Citrus Barberry

Berberis thunbergii 'Rose Glow'

Rose Glow Barberry

Berberis thunbergii f. atropurpurea 'Helmond Pillar'

Helmond Pillar Barberry

Berberis thunbergii f. atropurpurea 'Orange Rocket'

Orange Rocket Barberry

Berberis thunbergii NCBX1' USPP 29,504

PW® Sunjoy® Todo Barberry

Bergenia cordifolia

Heartleaf Bergenia, Pigsqueak

Betula nigra 'Cully'

Heritage® River Birch

Betula nigra

River Birch

Brunnera macrophylla 'Alexander's Great'

Alexander's Great Siberian Bugloss

Brunnera macrophylla 'Jack Frost'

Jack Frost Siberian Bugloss

Brunnera macrophylla ‘Jack of Diamonds’

Jack of Diamonds Heartleaf Brunnera

Brunnera macrophylla 'Sea Heart'

Sea Heart Siberian Bugloss

Brunnera macrophylla 'Silver Heart'

Silver Heart Siberian Bugloss

Brunnera macrophylla

Siberian Bugloss

Buxus sinica var. insularis 'Justin Brouwers'

Justin Brouwers Boxwood

Calamagrostis acutiflora 'Overdam'

Overdam Feather Reed Grass

Calamagrostis brachytricha

Reed Grass

Caltha palustris

Marsh Marigold