Scientific Name (Genus/Species): Hypericum ascyron

Family: (Hypericaceae)

Hardy shrub to 5′. Great St. John’s Wort. Asia and northeast United States. Two-inch, pale yellow, five-petalled flowers bloom in June against a backdrop of small, pale green leaves. Large seedpods follow. Attractive vase shape. Sun. 3 & T1

Scientific Name (Genus/Species): Hypericum frondosum

Family: (Hypericaceae)

Hardy shrub to 5′.  Golden St. John’s Wort.  A North American native.  Distinctive, blue-grey foliage with 1½-inch, yellow, reflexed petals and a massive tuft of stamens complemented by a statuesque stigma.  This rounded shrub blooms in July.  Ornamental fall fruit changes colour from rosy pink to black.  Sun.  3 & T1

Scientific Name (Genus/Species): Kolkwitzia amabile

Family: (Caprifoliaceae)

Hardy shrub to 10′. Beauty Bush. China. A deciduous, densely branched shrub with drooping clusters of soft pink, flared, tubular flowers with yellow throats in June. Tough and lovely. Sun. 3 & T2

Scientific Name (Genus/Species): Rosa nutkana

Family: (Rosaceae)

Hardy shrub to 6′. Nootka Rose. Alaska to northern California. The single flowers are a clear lilac-pink with a prominent boss of yellow stamens. Dark, greyish green foliage and strong, relatively thornless, nut-brown stems. Foliage turns a fantastic yellow-orange-red colour in fall, followed by a heavy crop of globular, dark red hips. Sun. 3 & T2 & Δ

Scientific Name (Genus/Species): Stewartia pseudocamellia Koreana Group

Family: (Theaceae)

Hardy tree to +30′. Japanese Stewartia. Perhaps the perfect tree for all seasons. Large, white, open flowers with orange anthers appear in July. Dark green, elliptic leaves turn a rich autumn colour of yellow, red, and dark purple. As the tree grows, the bark develops an exquisite, exfoliating texture, coloured shades of dove grey, orange and cinnamon, giving it excellent winter interest. For a sheltered position in open woods. Moist, leafy soil. Sun/partial shade. 3 & 6

Open PDF

Scientific Name (Genus/Species): Syringa reticulata

Family: (Oleaceae)

Hardy tree to 25′. Japanese Tree Lilac. A lovely, small tree with dark green leaves, downy beneath, and a well branched, rounded crown. Large, terminal panicles to 12 inches across of musk-scented, creamy white flowers. Fruits are warty, glabrous, persistent yet attractive. Older trees develop a warm chestnut brown, cherry-like peeling bark. Makes an excellent, trouble-free, specimen tree. June. Sun. PC- 4 weeks, 3 & T1

Scientific Name (Genus/Species): Allium angulosum

Family: (Alliaceae)

Hardy bulb to 16″. Mouse Garlic. Europe. Loose heads formed by multiple, cup-shaped flowers of pale purple. Blooms June to August. Sun. 3 & 6

Scientific Name (Genus/Species): Allium tuberosum

Family: (Alliaceae)

Hardy bulb to 18″. Garlic Chives. Southeast Asia. Spherical, white blooms freshen the flower garden throughout August. Sun/partial shade. 3 & 6

Scientific Name (Genus/Species): Scilla autumnalis (syn. Prospero autumnale)

Family: (Asparagaceae)

Hardy bulb to 8″. Autumn Squill. Europe. What a treat to have this pink Squill blooming in September. Open racemes display the bractless flowers. Not fussy about soil. Adorable. Sun/partial shade. 3 & T1

Scientific Name (Genus/Species): Agastache scrophulariifolia

Family: (Lamiaceae)

(P) to 5′. Purple Giant Hyssop. Native to eastern North America. Many terminal spikes of small, violet to rosy pink flowers on tall, branching stems. The coarsely toothed, lanceolate leaves are aromatic. Blooms July to September. Well-drained soil. Sun/partial shade. 4 & T2