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Male Fern Aspidium filix-mas
Deciduous or semi-evergreen fern with thick rhizomes and crowns of broadly lanceolate fronds up to 36 inches long. Grows in damp woodlands and in hilly and mountainous areas. learn more >>
Marjoram Majorana hortensis
Bushy plant with a dense, shallow root system. It has tiny white or pink spherical flowers that are clustered in spikes or corymbs of 3-5 flowers. Its pale, gray-green leaves are spicy and aromatic. Fruit are light brown, very small nutlets. Height: 1 foot. Blooms August-September. learn more >>
Marshmallow Althea officinalis
Erect perennial with tapering, woody taproot, wooly stems, and several spreading, leafy branches. Pink or white flowers appear singly or grouped in twos or threes, with obviate, notched petals. Produces round, downy fruit with many carpels each having one seed. Height: 4-5 feet. Blooms July-September. learn more >>
Meadowsweet Filipendula ulmaria
Stout, upright herb with creamy white flowers. The leaves are 1-8 feet and have dark green tops with whitish downy undersides. Height: Up to 6 feet. Blooms: June-September. learn more >>
Milk Thistle Silybum marianum
Annual or biennial with sharp spines on its reddish-purple flowers. It has white markings on the leaves and milky white sap. Height: 5-10 feet. Blooms: July-August learn more >>
Milk Weed Asclepias syriaca
Common milkweed is a thick-stemmed, unbranched, upright herb that grows 3-5 feet tall. It contains a bitter, white, sticky latex or milk as a protection against insects. learn more >>
Mint Mentha species
Square-stemmed perennials with tiny flowers in whorls that can be purple, pink, or white. The leaves are opposite, fragrant, simple and toothed and they produce four smooth, ovoid nutlets. Height: up to 2 feet. Bloom: July and August learn more >>
Mistletoe Viscum album, Phoradendron serotinum
Mistletoe are shrubs that live on trees. They have evergreen leaves that are thick, leathery, and oblong. The berries are small, white, oblong and have sticky flesh with one seed inside. Height: 1-2 feet. Blooms: Midspring to early summer. learn more >>
Motherwort Leonurus cardiaca
An upright prickly bush with a height of up to 5 feet and a width of 2 feet. The flowers are pale pink to purple, very hairy. The leaves are dark green above, pale below. Prickly. Blooms in late June to August. learn more >>
Mugwort Artemisia vulgaris
A single-stemmed plant with floppy leaves. The height is up to 6 feet with a width of 1-2 feet. The flowers are tiny, red-brown, wooly, and clustered on stem tips. Native to Europe and Asia and naturalized in the U.S. learn more >>
Mullein Verbascum thapsus
A hardy biennial. Height up to 6 feet; width of 2-3 feet. Flowers are yellow and 1 inch across, 4 petals, clustered densely around a single flower spike. learn more >>
Mustard Brassica species
Mustards have a strong smell and flowers that form a rounded Maltese cross. They produce a long, slender fruit pod with small seeds, which can be viable for many years. Height: 4-6 feet. Blooms: early summer. learn more >>
Myrrh Commiphora myrrha
Thorny tree with light bark growing in East Africa from Sudan to Somalia and in southern Arabia. Leaves appear only during rainy season. Resin is found in the bark and used commercially. learn more >>
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