Scientific Name (Genus/Species): Corydalis ophiocarpa

Family: Papaveraceae

(P) to 18″.  Serpent-Pod Fumitory.  Eastern Himalayas.  This treasure forms clumps of bronzy, blue-green, fern-like foliage from which emerge racemes of tubular, cream-coloured flowers with reddish purple tips.  Dangling seed pods follow; they resemble little green eels or serpents, hence the common name.  A vigorous and attractive architectural plant, which self-sows gently when happy.  Blooms May onward.  Sun to partial shade.  4 and T1

Scientific Name (Genus/Species): Agastache foeniculum 'Alba'

Family: Lamiaceae

Short-lived perennial to 3.5′.  White Anise Hyssop.  A white cultivar of the above. Sun/partial shade.  4 & T2

Scientific Name (Genus/Species): Mirabilis jalapa Salmon

Family: (Nyctaginaceae)

(A/TP) to 3′.  Four o’Clock, Marvel of Peru.  A lovely selection that is perfect in our Peach Bed of the Flower Garden.  Bright green foliage and delightful salmon flowers with a pink centre.  Sun/partial shade.  4 & T3

Scientific Name (Genus/Species): Dioscorea japonica

Family: (Dioscoreaceae)

(P) climber to 8′.  Japanese Mountain Yam.  East Asia, China, C & S Japan.  This twining perennial vine on the Order Beds always attracts attention.  Shiny, alternate, cordate-palmate foliage.  Blooms September to October with bubble gum-scented, small, inconspicuous cream flowers borne in axillary racemes.  Sun, moist soil.  3 & T2

Scientific Name (Genus/Species): Dianthus turkestanicus

Family: (Caryophyllaceae)

(P) to 12″.  China and Kazakhstan.  This gem forms mats of blue-green, fine foliage.  Fringed, pale pink, scented flowers cover the plant in mid-May.  Sun and well-drained soil.  4 & T2

Scientific Name (Genus/Species): Salvia sclarea

Family: (Lamiaceae)

(B) to 3′.  Clary Sage.  Europe to C Asia.  First year rosettes are comprised of substantial, grey-green, rough-textured, ovate to oblong leaves to nine inches.  The following summer brings many upright, pink-tinged flower stems clothed with large, showy, white tinged-rosy-purple bracts which hold the small, blue and white hooded flowers.  Self-sows to keep an ongoing biennial balance with simultaneous first year rosettes and flowering plants.  A very architectural, aromatic and showy plant that needs little care.  Full sun, average garden soil.  4 & T2

This seed is either sold out or unavailable

Scientific Name (Genus/Species): Eupatorium fistulosum

Family: (Asteraceae)

(P) to 8′.  Hollow-stemmed Joe Pye Weed.  A tall, striking addition to the late summer border.  Fluffy, rounded domes of pinkish mauve to soft purple flowers.  Leaves whorl in groups of six to seven around the unspotted, hollow stem.  A great butterfly plant.  Moist soil.  Sun/partial shade.  4 & T2

Scientific Name (Genus/Species): Conoclinium coelestinum (syn. Eupatorium coelestinum)

Family: (Asteraceae)

(P) to 3′.  Mist Flower, Hardy Ageratum.  Eastern United States.  Small tufts of misty blue flowers cluster in dense panicles on erect stems.  Apple green leaves are triangular-ovate and coarsely toothed.  A sturdy perennial, that performs superbly at the front or mid-border.  Late summer and autumn.  Sun.  4 & T2

Scientific Name (Genus/Species): Veronicastrum sibiricum 'Album'

Family: (Plantaginaceae)

(P) to 5′.  This Japanese native has broad, whorled, lanceolate leaves and a centralized group of white spikes that bloom July through September.  Differs from V. virginicum in that its leaves are coarser and much wider, and the flower spikes denser and shorter.  Sun/partial shade.  4 & T1

Scientific Name (Genus/Species): Sedum kamtschaticum

Family: (Crassulaceae)

(P) to 8″.  Japan to Kamchatka.  Spreading clumps of fleshy, obovate, bright green foliage with irregularly scalloped margins create a thick mat for sunny areas.  Unbranched flower stalks produce flattened cymes of deep yellow, starry flowers appearing as a veritable carpet of gold.  Beautiful when creeping along the edge of a pathway or spilling out of a crevice.  Mid to late summer.  Accommodating and tough.  Well-drained soil.  Sun.  4 & T1