Botanical Knowledge
Plants that thrive under canopy, north-facing exposures, and low-light estate zones across Long Island.
Deep and partial shade are common on Long Island estates with mature trees, narrow side yards, and north-facing facades. Correct plant selection prevents thin beds, fungal stress, and repeated replacements.
Recommended Plants
Bigleaf Hydrangea (Hydrangea macrophylla)
Flowering shrub
Bloom: June - September
Sun: Morning sun, afternoon shade
Water: Consistent moisture; deep weekly watering
Classic Long Island mophead/lacecap hydrangea. Blooms on old wood unless reblooming cultivar.
Bloomstruck Hydrangea
Flowering shrub
Bloom: June - October
Sun: Morning sun, afternoon shade
Water: Moderate to high during bloom season
Reblooming bigleaf type with stronger stems and improved cold resilience for Northeast gardens.
Annabelle Hydrangea (Hydrangea arborescens)
Flowering shrub
Bloom: June - August
Sun: Full sun to part shade
Water: Moderate; prefers evenly moist soil
Smooth hydrangea that blooms on new wood. Reliable performer in Long Island residential landscapes.
Limelight Hydrangea Tree (Hydrangea paniculata)
Flowering shrub / tree form
Bloom: July - October
Sun: Full sun to part shade
Water: Moderate; deep soak weekly during heat
Panicle hydrangea frequently trained as a standard tree form for entry and focal-point planting.
Little Lime Hydrangea
Flowering shrub
Bloom: July - October
Sun: Full sun to part shade
Water: Moderate
Dwarf panicle hydrangea with strong stems and manageable size for tighter suburban lots.
Bobo Hydrangea
Flowering shrub
Bloom: July - October
Sun: Full sun to part shade
Water: Moderate
Compact panicle hydrangea often used in massed foundation plantings and low-maintenance borders.
Quick Fire Hydrangea
Flowering shrub
Bloom: June - September
Sun: Full sun to part shade
Water: Moderate
Early-flowering panicle hydrangea for extended color sequence before other panicles peak.
Phantom Hydrangea Tree (Hydrangea paniculata 'Phantom')
Flowering shrub / tree form
Bloom: July - October
Sun: Full sun to part shade
Water: Moderate; increase during summer heat
Known for very large cone flowers and sturdy stems. Used as a premium statement tree-form specimen.
Oakleaf Hydrangea (Hydrangea quercifolia)
Flowering shrub
Bloom: June - July
Sun: Part shade to morning sun
Water: Moderate; drought tolerant once established
Strong four-season interest with oak-shaped foliage, summer blooms, and red-purple fall color.
Azalea (Encore + native types)
Shrub
Bloom: April - May (some rebloom)
Sun: Morning sun, afternoon shade
Water: Even moisture; avoid saturated soil
Prefers acidic soil and consistent mulch coverage.
Azalea 'Autumn Twist' (Encore)
Flowering shrub
Bloom: Spring + late summer rebloom
Sun: Morning sun, afternoon shade
Water: Moderate; keep root zone cool with mulch
Reblooming azalea frequently used on Long Island for extended color season.
Azalea 'Delaware Valley White'
Flowering shrub
Bloom: May
Sun: Part shade
Water: Moderate
Clean white spring bloom for formal foundation and woodland-edge beds.
Azalea 'Girard's Rose'
Flowering shrub
Bloom: May
Sun: Part shade
Water: Moderate
Compact cultivar with strong pink bloom color and consistent spring display.
Azalea 'Karen'
Flowering shrub
Bloom: April - May
Sun: Part sun to part shade
Water: Moderate
Lavender-pink bloom and compact growth habit suited to Long Island suburban lots.
Arborvitae (Green Giant)
Evergreen
Bloom: Year-round structure
Sun: Full sun to part shade
Water: Moderate; deep watering in first two seasons
Excellent privacy screen; protect from winter wind burn.
Eastern Redbud
Flowering tree
Bloom: April
Sun: Full sun to part shade
Water: Moderate; consistent moisture in establishment
Early spring color; protect from extreme wind exposure.
Japanese Maple (Acer palmatum)
Ornamental tree
Bloom: Spring foliage / fall color
Sun: Part shade; protect from hot afternoon sun
Water: Moderate; consistent moisture in summer
Ideal for sheltered courtyards and specimen planting.
Japanese Cedar (Cryptomeria japonica)
Evergreen tree
Bloom: Year-round structure
Sun: Full sun to part shade
Water: Moderate; avoid prolonged drought
Soft texture, great for screening; protect from salt spray.
Arborvitae (Emerald Green)
Evergreen
Bloom: Year-round structure
Sun: Full sun to part shade
Water: Moderate; deep water in establishment
Narrow form ideal for tight privacy hedges.
Arborvitae (Techny)
Evergreen
Bloom: Year-round structure
Sun: Full sun to part shade
Water: Moderate
Cold hardy and dense; good for windbreaks.
Norway Spruce
Evergreen tree
Bloom: Year-round structure
Sun: Full sun to part shade
Water: Moderate; drought tolerant once established
Excellent windbreak and screening tree.
White Pine
Evergreen tree
Bloom: Year-round structure
Sun: Full sun to part shade
Water: Moderate
Soft needles and tall canopy; avoid high salt exposure.
Inkberry Holly
Evergreen
Bloom: Year-round structure
Sun: Full sun to part shade
Water: Moderate; tolerates moist soils
Native option with good salt tolerance for coastal sites.
Mountain Laurel
Shrub
Bloom: May - June
Sun: Part shade
Water: Moderate; well-drained acidic soil
Native shrub with showy blooms; avoid heavy clay.
Rhododendron
Shrub
Bloom: May - June
Sun: Morning sun, afternoon shade
Water: Even moisture; acidic soil
Great for shaded foundations and woodland edges.
Pachysandra
Groundcover
Bloom: Spring
Sun: Shade to part shade
Water: Moderate
Reliable evergreen groundcover for deep shade.
Hosta
Perennial
Bloom: June - August
Sun: Shade to part shade
Water: Moderate; consistent moisture
Excellent texture plant; protect from deer if needed.
Daylily
Perennial
Bloom: June - August
Sun: Full sun to part shade
Water: Moderate
Low-maintenance and repeat blooms.
Heuchera (Coral Bells)
Perennial
Bloom: May - July
Sun: Part shade to morning sun
Water: Moderate
Foliage-first perennial that adds year-round leaf color in shade and filtered-sun beds.
Astilbe
Perennial
Bloom: June - July
Sun: Part shade
Water: Moderate to high; likes consistent moisture
Plume flowers for shaded zones where hydrangea and hosta need supporting texture.
Liriope (Lilyturf)
Perennial groundcover
Bloom: August - September
Sun: Part shade to sun
Water: Moderate; drought tolerant once established
Excellent border or massed groundcover for shade edges.
Sedge (Carex varieties)
Perennial grass
Bloom: Seasonal texture
Sun: Shade to part shade
Water: Moderate; prefers moist soil
Great for low light areas and rain garden edges.
Boxwood
Evergreen
Bloom: Spring foliage flush
Sun: Full sun to part shade
Water: Moderate; deep water during drought
Protect from winter wind burn and salt spray.
Paper Birch (Betula papyrifera)
Tree
Bloom: Spring catkins
Sun: Full sun to part shade
Water: Moderate
Handles coastal salt spray better than many birch species.
Hackberry (Celtis occidentalis)
Tree
Bloom: Spring
Sun: Full sun to part shade
Water: Moderate
Salt and urban stress tolerant with strong street-tree performance.
Black Gum (Nyssa sylvatica)
Tree
Bloom: Spring flowers / fall color
Sun: Full sun to part shade
Water: Moderate
Adaptable tree with good roadside salt tolerance.
Red Oak (Quercus rubra)
Tree
Bloom: Spring catkins
Sun: Full sun to part shade
Water: Moderate
Large shade tree with good urban and salt tolerance.
Northern Bayberry (Morella pensylvanica)
Shrub
Bloom: Spring
Sun: Full sun to part shade
Water: Low to moderate
Native shrub with strong salt tolerance for exposed coastal edges.
Black Chokeberry (Aronia melanocarpa)
Shrub
Bloom: April - May
Sun: Full sun to part shade
Water: Moderate
Salt tolerant native shrub with strong fall color and berries.
Red Chokeberry (Aronia arbutifolia)
Shrub
Bloom: April - May
Sun: Full sun to part shade
Water: Moderate
Reliable salt-resilient shrub for roadside and coastal beds.
Buttonbush (Cephalanthus occidentalis)
Shrub
Bloom: June - August
Sun: Full sun to part shade
Water: Moderate to high
Handles wet conditions and moderate salt exposure.
Sweet Pepperbush (Clethra alnifolia)
Shrub
Bloom: July - August
Sun: Part shade
Water: Moderate
Coastal tolerant native shrub for shade and filtered light.
Common Rush (Juncus effusus)
Rush
Bloom: Summer
Sun: Full sun to part shade
Water: High
Handles wetter and intermittently salty soils.
Gray's Sedge (Carex grayi)
Sedge
Bloom: Summer
Sun: Part shade
Water: Moderate to high
Salt-tolerant sedge for low-lying and rain-garden style beds.
Columbine (Aquilegia spp.)
Perennial
Bloom: April - June
Sun: Part shade
Water: Moderate
Shade-tolerant perennial with moderate salt tolerance.
Coral Bells (Heuchera spp.)
Perennial
Bloom: Late spring - summer
Sun: Part shade
Water: Moderate
Reliable foliage perennial for shade with moderate salt tolerance.
Red Maple (Acer rubrum)
Tree
Bloom: Spring flowers / fall color
Sun: Full sun to part shade
Water: Moderate
Urban-hardy shade tolerant canopy tree for mixed light sites.
Sugar Maple (Acer saccharum)
Tree
Bloom: Spring flowers / fall color
Sun: Part shade to full sun
Water: Moderate
Strong shade tolerance in youth and long-term canopy value.
American Hornbeam (Carpinus caroliniana)
Tree
Bloom: Spring catkins
Sun: Part shade to shade
Water: Moderate
Understory tree with strong shade tolerance.
American Beech (Fagus grandifolia)
Tree
Bloom: Spring catkins
Sun: Shade to part shade
Water: Moderate
Highly shade-tolerant woodland canopy species.
Pagoda Dogwood (Cornus alternifolia)
Tree/shrub
Bloom: May - June
Sun: Part shade
Water: Moderate
Understory species suited for filtered woodland light.
Flowering Dogwood (Cornus florida)
Tree
Bloom: April - May
Sun: Part shade
Water: Moderate
Woodland tree for sheltered and lightly shaded sites.
Spicebush (Lindera benzoin)
Shrub
Bloom: Early spring
Sun: Shade to part shade
Water: Moderate
Native understory shrub that thrives in shade.
Witchhazel (Hamamelis virginiana)
Shrub
Bloom: October - November
Sun: Part shade
Water: Moderate
Shade-tolerant shrub with late season blooms.
Blueberry (Vaccinium spp.)
Shrub
Bloom: Spring flowers / summer fruit
Sun: Part shade to full sun
Water: Moderate
Woodland-edge shrub tolerant of partial shade.
Doll's Eyes (Actaea pachypoda)
Perennial
Bloom: May - June
Sun: Shade to part shade
Water: Moderate
Woodland perennial adapted to deep shade gardens.
Canada Anemone (Anemone canadensis)
Perennial
Bloom: May - June
Sun: Part shade
Water: Moderate
Native perennial with shade tolerance and spreading habit.
Wild Columbine (Aquilegia canadensis)
Perennial
Bloom: April - June
Sun: Part shade
Water: Moderate
Northeast native for bright shade and woodland edges.
White Wood Aster (Eurybia divaricata)
Perennial
Bloom: August - October
Sun: Shade to part shade
Water: Moderate
True shade perennial for dry woodland conditions.
False Solomon's Seal (Maianthemum racemosum)
Perennial
Bloom: May - June
Sun: Shade to part shade
Water: Moderate
Understory perennial tolerant of deep shade.
Wreath Goldenrod (Solidago caesia)
Perennial
Bloom: September - October
Sun: Part shade to shade
Water: Moderate
Woodland goldenrod that performs in shade beds.
Violet (Viola spp.)
Groundcover perennial
Bloom: Spring
Sun: Shade to part shade
Water: Moderate
Low groundcover that thrives in shaded spaces.
Lady Fern (Athyrium filix-femina)
Fern
Bloom: Seasonal texture
Sun: Shade to part shade
Water: Moderate
Classic shade fern for woodland-style planting plans.
Sensitive Fern (Onoclea sensibilis)
Fern
Bloom: Seasonal texture
Sun: Shade to part shade
Water: Moderate to high
Performs in wet-shade and low-lying beds.
Pennsylvania Sedge (Carex pensylvanica)
Sedge
Bloom: Seasonal texture
Sun: Shade to part shade
Water: Low to moderate
Grasslike groundcover for dry shade under trees.
Northern Sea Oats (Chasmanthium latifolium)
Ornamental grass
Bloom: Late summer
Sun: Part shade
Water: Moderate
Decorative seedheads and strong performance in partial shade.
Related Services
Coordinate plant health with maintenance, irrigation, and lighting plans for year-round performance.
Coastal Plant Guides
