A Garden Design for Shade

September and October have been very busy gardening months for me so I’d like to share some of what’s been keeping me outdoors and digging up my yard!

The thing I really love about gardening is that if a design doesn’t work, you can always change it. This autumn I decided to rearrange and enlarge my shade garden, a smallish space that included a birdbath, ajuga, bleeding heart, hostas, ferns, brunnera, a clematis and cimicifuga (bugbane) planted together in a tiny tapestry of color and form. (In the photo below the old-fashioned pink bleeding heart has already gone dormant and the purple clematis isn’t visible) I had originally planted the bugbane off to one side of the birdbath on the right and placed two large hostas behind it but after a few years this large plant overwhelmed the hostas, hiding them from view, and limiting the morning sunlight they received. I had to rethink my design and reposition these plants to enhance their beauty and create a more pleasing vignette. At the same time, I wanted to expand the overall size of the garden using plants I already had on hand.

The original shade garden (Photo by Nancy Marie Allen)

Once the weather cooled off in mid-September I dug up the cimicifuga, separated it into three clumps and repositioned these in back of the garden. Although these plants and most of the green lady ferns have already died back and are not visible in the following photos, they will create a tall backdrop for next year’s garden. The large ‘Royal Standard’ hosta (which you can see behind the birdbath above) was relocated to the space vacated by the bugbane where it will receive the extra sun needed for abundant blooms. A ‘Gold Standard’ hosta was moved to the left and a little behind the brunnera to brighten up that darker area. After moving these plants to their new homes, the stage was set to add more shade plants and expand the existing garden.

Variegated Solomon’s Seal will add a vertical accent and glimmer of white behind the blue brunnera while golden hostas and Creeping Jenny will draw the eye in (Photo by Nancy Marie Allen)

On the far left side where the shade from a hemlock kept the lawn from growing was a similar sized area just right for planting with more shady beauties. In the spring I’d incorporated some compost into the soil and added some Sweet Woodruff to quickly fill in and cover ground. A layer of mulch kept it moist over the hot and dry summer months. Now, I worked filling the space just to the right of this groundcover with more compost and shade-loving plants. A white ‘Bridal Veil’ astilbe, some variegated Solomon’s Seal, a small white-edged hosta and ‘White Nancy’ lamium were added to the garden while more Japanese painted ferns were repeated, marrying the old design with the new. I continued by spreading the dark purple rosettes of ‘Black Scallop’ ajuga and tendrils of bright ‘Creeping Jenny’ in the foreground to define and soften the curvy edge. When all the perennials were in, I added 50 critter-proof bulbs of allium ‘Cowanii’ for striking white accent blooms in late spring and early summer.

Next spring the newly planted left side of the shade garden will fill in with Sweet Woodruff, Japanese painted ferns, ‘Bridal Veil’ astilbe and more hostas (Photo by Nancy Marie Allen)

Although most of the plants are now beaten and bedraggled from several cold nights, you can still imagine how the garden will look next year when each month will bring something new! It’ll be stunning in spring with the blooms of pink Bleeding Heart, the deep purple flower spikes of ajuga, the delicate blue sprays of brunnera and the white flower clusters of Sweet Woodruff; even the Solomon’s Seal will be sporting tiny white bells along its tall stems. As the season progresses, the feathery white plumes of the astilbe, along with the white flowers of the allium bulbs and ‘White Nancy’ lamium, will share the stage with the purple ‘Arabella’ clematis. Summer will bring spikes of hosta blooms in shades of white and pale lavender while the towering cream-colored wands of the cimicifuga will take up the rear. Behind the stone wall, three new Pieris planted in May will slowly join with the mother shrub to form an evergreen and deer-resistant hedge behind the shade garden, uniting it with the woodland beyond.

Pieris shrubs edge the woodland behind the shade garden (Photo by Nancy Marie Allen)

The varied shades of blue and purple in the foliage of the ajuga, the Japanese painted ferns, the ‘Looking Glass’ brunnera, and large blue-leaved hosta are enhanced by the sunny greens, golds and accents of white also repeated throughout. Even when little or nothing is blooming, the many colors, textures and forms of the shade plants themselves will keep this garden looking lively and bright!

Creeping Jenny behaves best in pots (Photo by Nancy Marie Allen)

A word of caution! Golden Creeping Jenny (Lysimachia nummularia ‘Aurea’) is an aggressive spreader and considered invasive in many areas. I like to use it in pots and planters where it’s easily contained and nicely fills the role of ‘spiller’ with its trailing habit. However, in the garden, this innocent-looking plant with its tiny bright leaves can spread like wildfire! Each year, I keep it in check by removing large segments and pulling it back from crowding other plants. I’ve found that the ‘Black Scallop’ ajuga, another vigorous spreader, seems to hold its own next to Jenny since its thick mat of rosettes prevents other plants from easily taking hold.

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