Veronica austriaca VENICE BLUE (syn. ‘Florverblue’) – An upright Speedwell with rich blue flowers accented with a white eye, held on short upright stakes. This heat tolerant perennial blooms in spring and tolerates part to full sun exposures. The deep green foliage is also deer and rabbit resistant. Grows 12 to 15″ tall by 14″ wide. Hardy to zone 5.
Geum x ‘Cosmopolitan’ – A lovely hybrid Avens with semi-double ruffled blooms of cream, edged with a hint of antique rose. It flowers from spring through to early summer when regularly deadheaded. This member of the COCKTAIL Series prefers part to full sun with evenly moist (but well-drained) soil. Grows 24″ high by 18″ wide. Hardy to zone 4.
Paeonia lactiflora ‘Kansas’ – An old herbaceous peony variety (circa 1940) with double blooms of a deep reddish-pink that are fragrant. They make excellent cut flowers and prefer a full sun exposure with good air circulation. Old flower stalks and leaf stems should be trimmed close to ground in late autumn. Grows 3′ tall by 20-24″ wide. Hardy to zone 3.
Amsonia hubrichtii – An unusual perennial which is native to the mountains of central Arkansas – it produces powder blue flower clusters from April to May. There are borne over soft-textured needle-like bright green foliage which somewhat resembles a conifer. This shifts to bright gold in fall and makes a good backdrop for Sedums. Grows 2-3′ high and wide. Zone 5.
Iris sibirica ‘Jamaican Velvet’ – This Siberian Iris was introduced by McGarvey in 1983 and features velvety reddish-purple blooms (with royal purple veining) atop slender stems. Like most Iris sibirica it tolerates moist soils and has mid-green grass-like foliage. They can be divided in early spring just as the new growth starts. Grows 24-30″ high by 18-24″ wide. Hardy to zone 4.