Scientific Name (Genus/Species): Amsonia tabernaemontana var. salicifolia

Family: (Apocynaceae)

(P) to 3′. Willow-Leaved Blue Star. Southeast United States. A lovely addition to the flower border, bearing starry, blue flowers in late spring and early summer. Beautiful, slender-leaved, willow-like foliage turns golden yellow in autumn. Sun/partial shade. 3, 7 for 4 weeks, then T2

Scientific Name (Genus/Species): Angelica gigas

Family: (Apiaceae)

(B/P) to 5′. This terrific Barry Yinger introduction from Korea and Japan is a stunner. Dramatic, deep maroon, spherical flowerheads emerge from red-flushed, bulbous, leafy sheaths above glossy green, dissected foliage. The afternoon sun intensifies the colour and lends this plant another dimension. Please note, insects, especially hornets, also find it irresistible. Sun/partial shade. 3 & 6

Scientific Name (Genus/Species): Anthriscus sylvestris 'Raven's Wing'

Family: (Apiaceae)

(B/P) to 5′.  Lacey compound umbels of tiny, five-petalled, creamy white flowers, reminiscent of Queen Anne’s Lace, float on hollow, dark stems above fern-like, dusky purple-coloured foliage.  Long bloomer that provides an airy elegance to the border.  Always admired in our Flower Garden.  Self-seeds gently.  Sun/partial shade.  3 & 6

Scientific Name (Genus/Species): Asclepias incarnata 'Alba'

Family: (Apocynaceae)

(P) to 4′.  A lovely white-flowered form of the Swamp Milkweed.  Tolerates average, well-drained soil in cultivation but does best in moist areas.  Blooms July through September.  Sun.  4 & T1

Scientific Name (Genus/Species): Aster tataricus

Family: (Asteraceae)

(P) to 7′.  Tatarian Aster.  Siberia.  Tall, long-blooming Aster with glorious, loose sprays of bold, lilac-blue daisies with yellow centres.  Dense clusters of wide, lance-shaped leaves.  Tough, durable plant that will thrive in a variety of conditions.  No staking needed, blooms late – September and October and well worth the wait.  Sun/partial shade. 3 & 6 & Δ

Scientific Name (Genus/Species): Baptisia australis

Family: (Fabaceae)

(P) to 4.5′. False Indigo. Eastern United States. Great foliage plant forming large clumps of glabrous foliage on stiff, upright stems. The blue, pea-like flowers bloom in loose racemes in midsummer. Big, black, rattling seedpods remain throughout the winter. Sun. 2A & 4 & T2

Scientific Name (Genus/Species): Baptisia leucantha

Family: (Fabaceae)

(P) to 3′. White Wild Indigo. Grows in dry woods from North Carolina to Florida. A sparsely branched, bush-like, herbaceous perennial with trifoliate, bluish-green, glaucous leaves. Dark flower stems give rise to erect racemes of small, white, pea-like flowers, up to two feet in length. Blooms in spring. The large, oblong, inflated seed pods are initially green but turn black, extending the show. Sun/partial shade. 2A & 4 & T2

Scientific Name (Genus/Species): Campanula latifolia

Family: (Campanulaceae)

(P) to 5′. Great Bellflower. Europe. Tall, open spikes of large, violet-blue bells adorn very upright stems. Blooms in June and July. Beautiful and reliable. Sun/partial shade. 4 & 7 for 2 weeks, then T1

Scientific Name (Genus/Species): Campanula latifolia 'Alba'

Family: (Campanulaceae)

(P) to 5′. Great White Bellflower. Stunning. Large bells of pristine white clusters along a very upright stem. A “show-stopper” in the white garden. Blooms in June and July. Sun. 4 & T2

Scientific Name (Genus/Species): Campanula trachelium

Family: (Campanulaceae)

(P) to 3.5′. Nettle-leaved Bellflower. Spikes of blue-purple to lilac bells decorate the numerous, leafy stems. Nettle-like foliage. Blooms simultaneously with the roses, a perfect complement. Sun/partial shade. 4 & T2