Adam's Needle
Yucca filamentosa
This unique plant looks more suited to a desert climate, but it is found wild up and down the east coast. Its strappy leaves are crowned by huge spikes of creamy white flowers every other year.
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Tolerance: Deer
African Marigold
Tagetes erecta
This upright yellow-flowering plant, with its distinctive odor, is a classic of the summer border.
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Alpine Squill
Scilla bifolia
These tiny blue flowers are some of the most shade tolerant of the spring flower bulbs.
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Bee Balm
Monarda didyma
Bee Balm is a tall summer-blooming perennial with brilliant red flowers subtended by a whorl of showy, red-tinged, leafy bracts. The aromatic leaves can be used for tea, but are susceptible to mildew, so this plant needs good air circulation. A member of the mint family, bee balm spreads readily by rhizomes and self-seeding to form large colonies, so be prepared to divide it every few years.
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Black Locust
Robinia pseudoacacia
Black locust trees are fast-growing with an open habit, prominent thorns when young, and deeply furrowed bark when mature. Their fragrant white pea-like flowers attract honey bees, who make an aromatic honey from the pollen.
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Black-eyed Susan
Rudbeckia fulgida
A cottage garden favorite, black-eyed susan features masses of ferociously yellow flowers that attract butterflies. They are incredibly hardy and tolerate a wide variety of conditions, making them ideal for naturalizing.
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Boxwood
Buxus spp.
Boxwood are the quintessential southern garden hedge plant. They are popular for use in knot gardens, parterres, edging, and as topiaries. While the historic English boxwood (Buxus suffruiticosa) are especially susceptible to a devastating and widespread blight caused by the fungus Cylindrocladium buxicola, there are new varieties that have been bred to offer various levels of resistance. Several varieties of boxwood grow in the Mount Vernon gardens including: Buxus sempervirens (American), Buxus microphylla var. japonica 'Green Beauty', and 'Morris Dwarf.'
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Brown-eyed Susan
Rudbeckia triloba
Brown-eyed Susans form masses of bright gold flowers above dark green foliage. It will flop without a midseason trim to keep it from getting too tall. It is ideal for naturalizing because it reseeds readily.
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Butter and Eggs Daffodil
Narcissus incomparabilis aurantius plenus
Butter and Eggs is pale yellow double daffodil with many frilly petals. Its height makes it well suited to the middle of the flower border.
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Butterfly Weed
Asclepias tuberosa
This plant features brilliant orange flowers that light up the garden and are attractive to pollinators, including monarchs and honeybees.
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