Partial Shade vs. Deep Shade: Why the Distinction Matters
“Shade” covers a wide range of light conditions, and most plant tags describing shade tolerance are really describing partial shade — roughly 2 to 6 hours of direct sun, or dappled light filtering through a tree canopy. Deep shade (sometimes marketed as “full shade” or, loosely, “100% shade”) is a smaller category: less than about 2 hours of direct sun a day, often under a dense canopy or on the north side of a structure. Fewer plants genuinely perform well there, and growth in deep shade tends to be slower and less floriferous even for species rated as shade-tolerant.
Because of that gap, it’s worth being honest about which category your site actually falls into before shopping for plants. A plant described as thriving in “mostly shade” may still want a few hours of morning sun to flower well.
Best Shade Perennials for Zone 7
The following perennials are commonly recommended for shaded sites in Zone 7, with the understanding that exact hardiness and bloom performance vary by cultivar and site conditions:
- Hellebores — Often described as reliable for partial-to-deep shade, blooming in late winter or early spring; generally considered deer-resistant.
- Hostas — Grown primarily for bold foliage rather than flowers; many cultivars are rated for partial to full shade.
- Ferns (such as Japanese painted fern or autumn fern) — Typically valued for fine texture in darker corners of the garden.
- Astilbe — Known for feathery plume-like blooms; generally prefers consistently moist, shaded soil.
- Heartleaf brunnera and foamflower (Tiarella) — Smaller shade perennials often used for groundcover-like coverage under trees or shrubs.
- Lungwort (Pulmonaria) and Jacob’s ladder (Polemonium) — Additional shade-tolerant options frequently listed for woodland-style plantings.
If your bed also tends to stay damp, pairing shade tolerance with moisture tolerance matters — see this guide to plants for wet, soggy areas by zone for options suited to both conditions at once.
Shrubs That Tolerate Shade in Zone 7
For structure and year-round presence, a few shrubs are commonly cited as handling Zone 7 shade reasonably well:
- Oakleaf hydrangea — Frequently recommended for partial shade, with notable fall foliage color.
- Virginia sweetspire — Often mentioned alongside oakleaf hydrangea as a dependable structural shrub for shaded beds.
- Mountain laurel — Generally suited to woodland-style shade with glossy evergreen foliage and spring blooms.
- Camellia and rhododendron — Commonly grown in partial shade in many Zone 7 gardens, though exact cold tolerance varies by cultivar.
- Boxwood — Often used as a shade-tolerant evergreen structural plant, though it generally prefers at least some filtered light over very deep shade.
What Grows in Deep Shade (Zone 8 and Similar)?
Fewer plants reliably thrive in true deep shade, but several are consistently mentioned across sources as worth trying:
- Hostas — Many cultivars tolerate deep shade better than most perennials, though growth may be slower than in partial shade.
- Ferns — Generally among the most shade-tolerant perennial choices available, including for quite dark sites.
- Hellebores — Often cited specifically for their ability to handle deep shade while still flowering.
- Leopard plant (Ligularia) — Sometimes listed for shaded, moisture-retentive sites, valued for bold foliage.
- Coast leucothoe and fatsia — Occasionally recommended as broadleaf evergreens for darker sites, though availability and cold hardiness vary by region.
Treat “100% shade” as an approximate description rather than a strict specification — very few ornamental plants perform at their best with zero direct sun, and most of the picks above will still do somewhat better with a little filtered or indirect light.
Perennials That Thrive in Mostly Shade
If your site gets a modest amount of filtered or morning sun rather than deep shade, the perennial list opens up further. In addition to the picks above, bleeding hearts and foxglove are commonly cited for mostly-shaded beds, generally performing better with some morning sun and consistently moist, well-draining soil. As with all zone and light guidance here, exact performance depends on your specific site, so it’s reasonable to trial a plant in a small area before committing to a larger planting.
Tips for Planting Successfully in Shade
- Amend soil with compost where practical — shaded sites, especially under trees, often have root competition and leaner soil.
- Water consistently during establishment; shaded soil can still dry out faster than expected near tree roots.
- Expect slower growth and fewer blooms in deeper shade compared to the same plant in more light — this is normal rather than a sign of plant failure.
- Reassess light levels seasonally, since deciduous tree canopies change how much sun a bed gets through the year.
FAQ
What plants can survive in full shade?
Hostas, ferns, and hellebores are among the perennials most consistently cited as tolerating full or deep shade, though growth and flowering are generally slower than in partial shade.
What grows in 100% shade?
Very few ornamental plants perform well with essentially zero direct light. Ferns and certain hosta cultivars are often cited as coming closest, but most sources describe these as suited to “deep shade” rather than truly zero-light conditions.
What plants are good for shade only?
Plants commonly described as shade-only (meaning they can struggle or scorch in strong direct sun) include hostas, astilbe, and many fern varieties, along with woodland perennials like foamflower and brunnera.
What perennials thrive in mostly shade?
Hellebores, hostas, ferns, astilbe, and brunnera are frequently recommended for mostly-shaded beds, generally performing best with at least some filtered or morning light rather than deep, unbroken shade.