Multiple award-winner, Salvia nemorosa 'Caradonna' is a favorite of many gardeners for its unique, glowing dark purple stems and stunning, vertical spikes of rich, violet-blue flowers appearing in late spring or early summer. Very striking when in bloom, they last for weeks and bring strong color and form to the landscape. Drought tolerant and deer resistant, this Salvia is a real magnet for butterflies, hummingbirds and bees! Reliable and compact, it grows in round clumps of gray-green, aromatic foliage up to 18-24 in. high (45-60 cm) and nearly as wide.

A favorite of many gardeners, multiple award-winner Allium hollandicum 'Purple Sensation' is a striking ornamental onion with perfectly round flowerheads, 3 in. wide (8 cm), packed with dozens of small, star-shaped, rich violet-lilac flowers. They are borne atop sturdy stalks, which arise from a group of 6 to 8 handsome, blue-green leaves. Blooming in late spring to early summer, this spectacular Allium enjoys long-lasting blooms and makes outstanding cut flowers that will last for 2 weeks.

Boasting the biggest flower heads, multiple award-winner Allium 'Globemaster' is a striking ornamental onion with huge inflorescences packed with dozens of small star-shaped violet flowers forming a 10-inch wide (25 cm) globe-shaped cluster! Blooming in late spring to early summer, this spectacular bulbous perennial enjoys long-lasting blooms, and its seed heads are ornamental, persisting for weeks after the flower has passed.

A beautiful and popular feature of the countryside, the Flanders Poppy, or Corn Poppy (Papaver rhoeas), is an annual wildflower known for its stunning, vibrant red flowers. They stand atop long, hairy stems, accompanied by pinnately lobed, cut or toothed, and hairy leaves. These delicate flowers showcase four rounded, overlapping, papery petals, typically in brilliant scarlet-red shades but also in pink or white, often displaying a dark basal blotch. Blooming from late spring to early summer, the flowers are followed by ornamental seedpods, extending the season of interest for this captivating plant.

Adding drama to the landscape, Verbascum olympicum (Olympic Mullein) is a short-lived perennial that forms a tall and spectacular candelabra of flowering spikes, smothered with golden-yellow blossoms, 1 in. across (2.5 cm). Blooming in succession over a long period extending from early to late summer, the flower stalks rise majestically from a low-growing, wide rosette of silvery-gray, felted, semi-evergreen leaves, which can reach 1 foot long (30 cm). Easy to please, this hardy perennial is regarded as one of the most desirable of the genus.

Highly floriferous and robust, Leucanthemum vulgare 'Filigran' (Ox-Eye Daisy) is a wonderful free flowering rhizomatous perennial valued for its abundant floral display and disease resistance. It produces a sea of large, pure white, single daisy flowers with golden yellow centers, 2 in. across (5 cm), atop a lush mat of dark green basal leaves. Blooming for up to 4 weeks from late spring to midsummer, this Daisy is extremely easy to grow. 'Filigran' received the highest rating from the Chicago Botanical Garden in its Evaluation Notes, on the basis of its heavy flower production, strong habit, and adaptability to various soil conditions.