[photo, Azaleas at Ladew Topiary Gardens, Monkton, Maryland]
  • Maryland Shrubs
  • Invasive & Introduced Shrubs
  • While most shrubs can be distinguished from trees by their multiple stems and short height (generally under 20 ft), some shrub species may be defined as either tree or shrub, depending upon available growing conditions.

    Azaleas at Ladew Topiary Gardens, Monkton, Maryland, May 2000. Photo by Sarah A. Hanks.

    Some shrubs are extremely poisonous, and others are dangerous if handled improperly. If one such shrub is eaten or handled, first aid is required.


    Name Scientific Name Blooms
    Alder, Hazel Alnus serrulata (Aiton) Willd. March - April
    Arrowwood, Southern Viburnum dentatum L. May - June
    Azalea, Dwarf Rhododendron atlanticum (Ashe) Rehder April - May
    Baccharis, Eastern Baccharis halimifolia L. Aug. - Sept.
    Bayberry, Northern Morella pensylvanica (Mirb.) Kartesz April - May
    Beautyberry, American Callicarpa americana L. June - Aug.
    Blackberry, Allegheny Rubus allegheniensis Porter May - June
    Blackhaw Viburnum prunifolium L. April- May
    Blueberry, Blue Ridge Vaccinium pallidum Aiton April - May
    Blueberry, Highbush Vaccinium corymbosum L. April - May
    Blueberry, Lowbush Vaccinium angustifolium Aiton April - May
    Bursting-heart Euonymus americanus L. May - June
    Buttonbush, Common Cephalanthus occidentalis L. June - Aug.
    Chokeberry, Black Photinia melanocarpa (Michx.) K.R. Robertson & Phipp April - June
    Chokeberry, Red Photinia pyrifolia (Lam.) K.R. Robertson & Phipps March - May
    Deerberry Vaccinium stamineum L. April - June
    Dogwood, Silky Cornus amomum Mill. May - June
    Elderberry, American Black Sambucus nigra L. ssp. canadensis (L.) R. Bolli June - July
    Fern, Sweet Comptonia peregrina (L.) J.M. Coult. April- May
    Hazelnut, American Corylus americana Walter March - April
    Huckleberry, Black Gaylussacia baccata (Wangenh.) K. Koch May - June
    Huckleberry, Blue Gaylussacia frondosa (L.) Torr. & A. Gray ex Torr. April - June
    Hydrangea, Wild Hydrangea arborescens L. June - July
    Inkberry Ilex glabra (L.) A. Gray May - June
    Laurel, Great Rhododendron maximum L. May - Aug.
    Laurel, Mountain Kalmia latifolia L. May - June
    Laurel, Sheep Kalmia angustifolia L. May - July
    Maleberry Lyonia ligustrina (L.) DC. May - July
    Meadowsweet, White Spiraea alba Du Roi var. latifolia (Aiton) Dippel June - Sept.
    Myrtle, Wax Morella cerifera (L.) Small March - April
    Plum, Beach Prunus maritima Marshall April - May
    Possumhaw Ilex decidua Walter April - May
    Raspberry, American Red Rubus idaeus L. June - Sept.
    Raspberry, Black Rubus occidentalis L. June - Sept.
    Raspberry, Purpleflowering Rubus odoratus L. June - Sept.
    Staggerbush, Piedmont Lyonia mariana (L.) D. Don May - June
    Sumac, Fragrant Rhus aromatica Aiton March - May
    Sumac, Smooth Rhus glabra L. June - July
    Sumac, Staghorn Rhus typhina L. June - July
    Sumac, Winged Rhus copallinum L. July - Aug.
    Sweetpepperbush, Coastal Clethra alnifolia L. July - Sept.
    Sweetspire, Virginia Itea virginica L. May - June
    Tea, New Jersey Ceanothus americanus L. May - Sept.
    Virburnum, Mapleleaf Viburnum acerifolium L. Arpil - May
    Walkingstick, Devil's Aralia spinosa L. June - Aug.
    Winterberry, Common Ilex verticillata (L.) A. Gray June - July
    Winterberry, Smooth Ilex laevigata (Pursh) A. Gray June - July
    Witchhazel, American Hamamelis virginiana L. Sept. - Dec.
    Withe-rod Viburnum nudum L. var. cassinoides (L.) Torr. & A. Gray April - May
    Wort, Bushy St. John's Hypericum densiflorum Pursh July - Sept.


    Name Scientific Name Blooms
    Burningbush Euonymus alatus March - June
    Honeysuckle, Northern Bush Diervilla lonicera Mill. April - June
    Meadowsweet, Japanese Spiraea japonica June - Aug.
    Rose, Multiflora Rosa multiflora May - June

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