Alnus glutinosa
A conical tree with glossy dark green leaves. Pendent yellow-brown male catkins open before the leaves.
Alnus cordata
A conical tree with glossy dark green leaves. Pendent yellow-brown male catkins open before the leaves.
Allium ursinum
A bulbous perennial, bright green leaves. Loose umbels of white flowers.
Allium unifolium
A bulbous perennial, mid-green leaves. Umbels of open bell-shaped, purple-pink flowers.
Allium tuberosum
Aromatic perennial with green leaves. Dense umbels of bell-shaped white flowers. Grown for its edible, green mild garlic leaves.
Allium triquetrum
A bulbous perennial, mid-green triangular leaves. Nodding umbels of bell-shaped, white with green middle stripes.
Allium sphaerocephalon
A bulbous perennial, mid-green leaves. Bears umbels of bell-shaped, varying from pink to dark red-brown flowers.
Allium sikkimense
A slender bulbous perennial, mid-green leaves. Bears nodding umbels of bell-shaped bright blue flowers.
Allium senescens ssp. montanum var. glaucum
A bulbous perennial with grey twisted leaves. Bears dense umbels, cup-shaped bright pink flowers.
Allium senescens ssp. montanum
A bulbous perennial, grey-green twisted leaves. Bears dense umbels, cup-shaped pink flowers.
Allium senescens
A bulbous perennial, mid-green leaves. Bears dense umbels, cup-shaped pale pink-purple flowers.
Allium schubertii
A bulbous perennial, bright-green leaves, that die back before flowering. Bears umbels, star-shaped pale purple flowers.