Larkspur
Consolida ajacis
A favorite in the Mount Vernon gardens, this annual reseeds readily. Its pink, blue, and white flowers add height to the spring border.
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Leeks
Allium ampeloprasum
Leeks are an onion relative with strappy green leaves which an edible stalk which is usually blanched.
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Lemon
Citrus limon
As with the other tropicals grown at Mount Vernon, the lemons are grown in pots so that they can be moved into a greenhouse for the winter.
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Lemon Balm
Melissa officinalis
Lemon balm is a spreading herb with a strong citrusy fragrance. It can be used for teas and cooking and is frequently used for essential oil. Gardeners should be aware that it can be aggressive and should be carefully contained.
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Lettuce
Lactuca sativa
Lettuce is a cool season leafy vegetable that is most frequently used in salads. Its leaves come in a variety of colors, from green to red to splotchy.
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Leucothoe
Leucothoe axillaris
This glossy-leafed shade loving shrub has a graceful arching habit and panicles of white flowers in the late spring.
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Lilac
Syringa vulgaris
Large fragrant bouquets of purple flowers make this shrub the queen of spring in the northern garden.
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Live Oak
Quercus virginiana
This iconic evergreen tree of the south forms a wide spreading canopy and is often draped with Spanish moss. They are extremely resilient, which allows them to survive the severe weather patterns of the southern part of the country.
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Lombardy Poplar
Populus nigra 'Italica'
Lombardy poplar is best suited as a street tree or short-lived privacy screen. It is very fast-growing to approximately 40 feet.
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Long Island Cheese Pumpkin
Cucurbita moschata
The Long Island Cheese pumpkin is an excellent eating pumpkin and is well-suited for making pies. It is a beautiful tan pumpkin with deep lobes that grows on huge, sprawling vines.
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