The garden under the canopy. Shade is not a problem to solve but a place to plant, and these are the ferns, foliage plants, and quiet bloomers that make the cool, dim ground beneath trees and walls into one of the loveliest parts of a garden.
A compact cast iron plant from Vietnam, Aspidistra vietnamensis 'Amanogawa' carries narrow, deep green, upright blades scattered with small creamy white spots, as if dusted with stars. The cultivar name, Japanese for the Milky Way, fits the effect exactly, and the speckled foliage brings light and pattern to a shaded bed where plain green would simply recede.
There is a strange romance buried in this plant's history, and 'Golden King' sits on the male side of it. Aucuba japonica reached England in 1783 as a single female, the yellow-flecked gold dust shrub that Victorians went on to plant by the thousand. Aucuba carry their sexes on separate plants, and for eighty years every aucuba in the country was a clone of that one female, waiting on the famous red berries that never came, because Japan had sealed its borders and no male could be had.
There is a book about Aucuba japonica called A Virgin for Eighty Years, which sounds like a romance novel and is, instead, one of the strangest stories in horticulture. The species arrived in England in 1783 as a single female plant. Aucuba is dioecious, male and female flowers on separate plants, so for the next eighty years every aucuba in English gardens was a clone of that one original female. Gardeners knew the plant was meant to bear bright red berries, since reports came back from Japan, but Japan had closed its borders, no male could be had, and they simply waited.
Carex flaccosperma, the blue wood sedge, is a clump-forming native of the Southeastern woodlands grown for cool, glaucous, blue to blue-green foliage. The blades are wide for a sedge, to half an inch, faintly quilted along the veins, and they catch the light with a soft powdery sheen that lifts a shaded planting where most greens recede.
Among ornamental grasses, Chasmanthium latifolium is the rare one that thrives in shade. River oats, also called northern sea oats and inland sea oats, is a clumping, rhizomatous perennial grass of the eastern and central United States, found in the wild along wooded creek banks, river bottoms, and shaded slopes from Pennsylvania south to Florida and west toward the prairies. The broad, bamboo-like blades are wider than most grasses can claim, and the plant carries them in a loose, arching mound that takes deep shade without sulking.
There is a moment in early spring when a new frond of Dryopteris erythrosora 'Brilliance' unfurls, and the sight is one of the more quietly spectacular things a shade garden produces. The emerging fronds are a vivid copper-orange, almost metallic in certain light, deepening through pink and bronze before settling into the glossy dark green of maturity. 'Brilliance' is a selected form of the autumn fern chosen specifically for the intensity of that color progression, pushing the coppery new growth further than the straight species manages and holding the color longer. In a garden where most plants arrive already green, this is a meaningful distinction.
Dryopteris ludoviciana, the southern shield fern, is a bold, glossy evergreen native to the wet woodlands of the American South. The species epithet ludoviciana means "of Louisiana," a nod to the swampy bottomlands, blackwater hammocks, and shaded seeps where the fern grows wild, from Florida west to Texas and north through the Carolinas.
Dryopteris ×remota, the remote wood fern or scaly buckler fern, is one of those quiet accidents of nature that turns out better than anything a breeder set out to make. The fern is a naturally occurring hybrid between the scaly male fern, Dryopteris affinis, of western Europe and the British Isles, and the broad buckler fern, Dryopteris expansa, of cooler northern woods. From the affinis parent the hybrid took shaggy stalks thickly clothed in golden-brown scales; from expansa, the fine, lacy cut of the frond. The epithet remota, meaning scattered or spaced apart, points to the way the lowest segments stand a little distant from one another along the frond, a subtle tell that separates this fern from the crowd of look-alike wood ferns.
Dryopteris ×australis is a fern that cannot, strictly speaking, reproduce, and is all the more vigorous for the lack. This is a natural hybrid, thrown wherever two Southern wood ferns grow within a spore’s reach of one another: the log fern, Dryopteris celsa, and the southern wood fern, Dryopteris ludoviciana. The cross comes out sterile, setting spores that never amount to anything, so the fern cannot seed itself across a bed the way a large fern usually will. Every plant in cultivation traces back by division to a wild clump found somewhere between Virginia and Louisiana, the greatest number of them in Alabama.
The Lenten rose is not a rose at all, but a member of the buttercup tribe that happens to flower around Lent, in the raw weeks of late winter when the garden is otherwise bare. The blooms are nodding cups a couple of inches across, held just above the foliage in white, cream, pink, plum, and a smoky green, many of them freckled or veined at the throat. What look like petals are in fact sepals, which is the secret of the long show: rather than dropping in days, the flowers hold for weeks and age slowly to green, carrying color from late winter well into spring.
For a plant this common, the Christmas fern carries an oddly specific origin for the name. The fern was christened, the story goes, by one John Robinson, a botany professor at the Peabody Academy in Salem, Massachusetts, sometime in the late 1800s, and set down for posterity in a 1923 volume with the irreproachable title The Fern-Lover's Companion. Robinson's reasoning was seasonal. When the other ferns of the eastern woods go brown and crisp at the first hard frost, Polystichum acrostichoides holds green straight through December, which made the plant the fern people cut for wreaths and mantels at Christmas. There is a second theory, quieter and harder to settle, that the name comes from the leaflets themselves: look closely and each pinna carries a small lobe at its base, an ear or a thumb, that gives the leaflet the outline of a Christmas stocking. Both camps are probably right.
Hardiness
Zones 4–9
Light
Part Shade / Full Shade
Height
1–2 ft.
Spread
1–2 ft.
Plant type
Fern
Traditional use
pain relief, respiratory support, digestive health
Rohdea japonica, the sacred lily or Nippon lily, is a bold, slow, tufted evergreen perennial grown above all for foliage, and this selection carries the darkest leaves of all, an almost black, glossy green that anchors a shaded planting through the whole year and lights up a winter landscape when little else holds. Rather sizeable red berries ripen in tight clusters, half-hidden at the base of the leaves, a quiet second season for anyone who looks closely.
Selaginella braunii, known in older texts as Selaginella involvens and in gardens as Braun's spikemoss or the arborvitae fern, belongs to one of the oldest surviving lineages of plants on Earth. The Selaginellas are not true ferns but spikemosses, an ancient group whose ancestry runs back more than three hundred million years, long before flowering plants reshaped the world. In the shaded understory of primeval forests these plants held their ground, and Braun's spikemoss carries that inheritance forward with quiet dignity.
The southern shield fern carries a longer pedigree than most ferns in cultivation. The type specimen was collected by Alexander von Humboldt and Aimé Bonpland near Cumanacoa, in the cloud-shrouded country around Caripe in northeastern Venezuela, during their five-year expedition through the equinoctial Americas. Decades later the German botanist Carl Sigismund Kunth, Humboldt's assistant in Paris and the man who would spend years describing the ten thousand and more specimens the explorers shipped home, became the namesake when Nicaise Auguste Desvaux formally described the species in 1827 as Nephrodium kunthii. C.V. Morton moved the fern into Thelypteris in 1967, and recent molecular work (Fawcett and Smith, 2021) has shifted the name again into Pelazoneuron, though the older binomial remains the one in common horticultural use.
A dwarf form of one of Japan's legendary Five Sacred Trees of Kiso, the goboku no kinbatsu, a select group of conifers protected by feudal law for centuries, reserved for imperial residences and temple construction, where commoners caught poaching the wood faced execution. The species, Thujopsis dolabrata, is endemic to Japan and known there as asunaro, a name that translates beautifully and a little wistfully as tomorrow it will become hinoki, a nod to the tree's resemblance to the more revered hinoki cypress, forever almost but not quite the more famous tree. Thujopsis is the sole species in the entire genus.
In the cool hush of shaded woods, Adiantum pedatum rises on slender, glossy black stems that hold the lacy green fronds in flattened semicircles, each a hand-turned fan or horseshoe of finely cut segments. Standing twelve to thirty inches tall, the northern maidenhair forms serene clumps that spread slowly on creeping rhizomes, never in a hurry. In early spring the fiddleheads emerge a rosy to burgundy hue and uncurl into the distinctive bird's-foot, palmately branched leaves that give the fern such grace.
In July, when most of the shade garden has settled into a holding pattern of foliage and waiting, Aesculus parviflora opens for business. The timing is the first surprise. The flowers are the second. Each panicle is a foot or more of tightly packed white tubular blooms with conspicuous pink-red anthers projecting beyond the petals, the whole spike held upright above the foliage like something assembled by a botanical committee that could not decide between elegant and extravagant and chose both. A mature colony in full bloom in midsummer is among the more spectacular events available to the shade gardener, and the hummingbirds and swallowtails arrive reliably.
A wide-spreading, suckering, multi-stemmed deciduous shrub of slow, deliberate growth, Aesculus parviflora var. serotina carries the same upright white bottlebrush flowers as the bottlebrush buckeye, but opens them two to three weeks later, well into the heat of summer. The overall shape is irregular and almost stratified, the branches layering horizontally, and the medium to dark green leaves turn a clear yellow in fall.
Ardisia japonica 'Hakuokan' is a jewel of the Japanese shade garden, a low evergreen groundcover whose small, glossy, leathery leaves are edged in a clean band of creamy white. The green species, called yabukoji in Japan and marlberry in English, has grown wild in the woodland understory of Japan, Korea, China, and Taiwan for ages, spreading quietly by underground runners into knee-low colonies. 'Hakuokan', a name that reads roughly as white royal crown, is a variegated selection prized by collectors, slower and more compact than the plain species and all the more luminous for the pale margin that catches light in a dim corner.
The cast iron plant earned the name honestly. Aspidistra elatior is the toughest of evergreen foliage plants, sending up broad, glossy, dark green blades straight from the soil and holding strong form year round in conditions that defeat almost everything else. A Victorian parlor favorite for surviving gaslight and neglect, the cast iron plant is just as valuable in the deep shade of the garden.
