Firm, semi-high tulip, with very dark, purple-black flowers.
Veronica umbrosa 'Georgia Blue'
Juncus effusus 'Spiralis'
Ipomoea batatas 'Iposun Black Tone'
Sempervivum 'Lemon Flare'
Astilbe 'Dark Side of the Moon'
Tolmiea menziesii 'Cool Gold'
Tropaeolum majus 'Margaret Long'
Polemonium 'Bressingham Purple'
Galanthus 'Wifi Modest'
Geum triflorum
Hosta 'Lakeside Fancy Pants'
Cardamine trifolia