Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Marrubium vulgare
Family: (Lamiaceae)
(P) to 2′. White Horehound. Europe. Rounded, wrinkled, downy, thyme-scented leaves in opposite pairs along a stiff stem. Clusters of white hooded flowers in the leaf axils. Very accommodating. Self-seeds. Sun, well-drained soil. 3 & T1
Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Rudbeckia laciniata
Family: (Asteraceae)
(P) to 6′. North America. Very striking and very tall. Deep yellow, ray florets surround a green-brown cone. Leaves are pinnatisect all along the stem. Butterflies love it. A long bloomer starting in late summer. Sun. 4 & T2
Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Eryngium giganteum
Family: (Apiaceae)
Short-lived perennial/biennial to 4′. Miss Willmott’s Ghost. Miss Willmott was known to scatter this seed surreptitiously in the gardens she visited, leaving her horticultural calling card! The elongated, dome-shaped, greenish flowerheads are surrounded by spiny tipped, silvery bracts. Attractive, marbled, grey-green, spiny foliage with dark green basal rosettes adds more drama. Excellent dried flower. Self-sows happily. Well-drained soil. Sun. 3 & 6
Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Digitalis ferruginea
Family: (Plantaginaceae)
(B/P) to 4′. Rusty Foxglove. South Europe, West Asia. We have this plant at the entrance to our Gravel Garden, and what an extraordinary focal point it is. Long dense spikes of hooded, pendulous, downy flowers. The outsides of the flowers are rusty red, with darker veins inside. After flowering, the whole spike is still covered in the incredibly attractive, five-lobed calyces with white edges, persisting for weeks. Sun. 4 & T2
Category: Rarium | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Clematis integrifolia pink-flowered
Family: (Ranunculaceae)
(P) to 3′. Solitary Clematis. Central Europe and Asia. An upright, non-climbing Clematis with 2-inch, bell-shaped flowers that are a bright clear to pale mauve pink with heavily ribbed, spreading tepals and a central cluster of deep yellow stamens. Attractive, feathery seedheads follow. Mid-to-late summer. Sun. 3 & 7 for 8 weeks, then T2
Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Callirhoe involucrata
Family: (Malvaceae)
(P) to 12″. Purple Poppy Mallow. Central United States. This Missouri native has attractive Geranium-like leaves, palmately divided into 5 to 7 finger-like lobes. The stems are procumbent and spread nicely along the ground. The solitary, upward facing, cup-shaped, five-petalled, magenta flowers are borne on axillary thin stems above the foliage. An attractive, spreading, drought tolerant perennial. Long blooming, from late spring to late summer. Sun. 3 & T2
Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Iris domestica (syn. Belamcanda chinensis)
Family: (Iridaceae)
(P) to 2′. Blackberry Lily. East Asia. Iris-like foliage sports loosely branched sprays of speckled, orange-red flowers. Fruit capsules with dense clusters of attractive, glossy black seeds follow. Well-drained soil. Sun. 1 & 3 & T2
Category: Rarium | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Codonopsis lanceolata
Family: (Campanulaceae)
(P) to 4.5′. Southwest China. This Bonnet Bellflower has a twining habit and is best supported by a trellis or tripod where one can see to full effect the fat, greenish white, nodding bells with prominent, bluish purple venation inside the cup. Blooms midsummer. Well-drained soil. Sun/partial shade. 5 & T2
Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Eryngium planum
Family: (Apiaceae)
(P) to 4′. Flat Sea Holly. A native to eastern Europe with numerous, branching stems of small bluish thistles and spiky bracts. A rugged-looking plant with spiny-toothed, glossy green, basal foliage. Well-drained soil. Sun. 3 & 6 & Δ
Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Leucanthemella serotina
Family: (Asteraceae)
(P). Southeast Europe. A fancy name for a lovely white daisy, reaching a height of six feet. A slow spreader, nice for the back of the border or a wild garden. August through September. Sun. 3 & T1