• If you want to plant shrubs in your Maryland yard, be sure to use native Maryland plants. Maryland is divided into three physiographic provinces. The coastal plain extends from the Atlantic Ocean/Delaware border to halfway between Montgomery and Baltimore Counties. The piedmont plateau stretches from Route 1 to Frederick County, and the mountain region encompasses everything west of Frederick County. Choose Maryland shrubs native to your region for the best results.
  
  

Coastal Plain Shrubs

• Plant small shrubs such as the coast azalea or the beach plum in the coastal plain region. They both bloom white flowers from April to May. If you'd rather plant medium shrubs, consider the high-tide bush, which produces white flowers from August to September. The southern bayberry is a medium evergreen shrub that blooms from March to April. The naked withered blooms produce white flowers from April to May. Larger shrubs include the flowering dogwood, which can grow up to 50 inches and blooms white flowers from April to May. The sassafras can also reach up to 50 inches and blooms yellow and white flowers from April to May.
  
  

Piedmont Plateau Shrubs

• The Allegheny huckleberry is a low shrub well-suited to the piedmont plateau region, and it blooms white flowers from May to June. The maple-leaved arrowwood blooms white and purple flowers from April to May. For a medium-sized shrub, consider the white-blooming red chokeberry or the yellow-blooming spicebush, both of which bloom from March to May. The possum haw is one of the region's taller shrubs, as it can grow up to 33 inches and blooms white flowers from April to May. The devil's walking stick can reach 39 inches and produces white flowers from June to August.
  
  

Mountain Region Shrubs

• Consider the black huckleberry, a low shrub that blooms white and pink flowers from May to June. St. John's wort blooms yellow flowers from July to September. The purple flowering raspberry blooms purple flowers from June to September and maxes out at around 6 inches, making it another low shrub. The silky dogwood shrub blooms white flowers from May to June and can grow to be about 10 inches in height, making it a medium shrub. Consider the 33-inch staghorn sumac if you're looking for a taller shrub. The winged sumac is another good choice, as it can reach up to 33 inches and produces green and yellow flowers from July to August.