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Edible Wild Plants in Indiana

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Indiana experiences a mid-continental climate with cold winters and warm summers. Rainfall averages about 45 inches in the south-central area to about 37 inches in the north, and snowfall occurs for six months, averaging from 20 inches to more than 100 inches in the north near Lake Michigan. Indiana contains U.S. Department of Agriculture plant hardiness zones 5a through 6b. Before settlement by Europeans, most of Indiana was hardwood forest with some grassland. It's now mostly second-growth forest, urban areas and croplands. Edible wild plants live in woodlands, pastures and disturbed areas throughout the state.

Nut-Bearing Trees

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Some large forest trees furnish edible nuts important as food for many kinds of wildlife. Shagbark hickory (Carya ovate), hardy in USDA zones 4 through 8, is slow-growing to 98 feet tall and 49 feet wide, bearing numerous hard-shelled, sweet-kerneled nuts in fall. Some thinner-shelled cultivars exist. They're suitable as shade or specimen trees. Look for wild trees along moist river bottoms or upland slopes. Also a substantial but slightly shorter tree, butternut (Juglans cinerea), hardy in USDA zones 3 through 7, grows 82 feet tall and 65 feet wide. It has sweet, oily-tasting kernels that are hard to extract from the nut. Once the kernel is exposed, it doesn't keep for long. Butternut's native habitat is in moist woods and on river terraces.

Shrubs with Edible Fruit

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Multistemmed large shrubs offer summer fruits for people and wildlife. Blackhaw viburnum (Viburnum prunifolium), hardy in USDA zones 3 through 9, produces bluish-black fruit edible when raw or used to make jellies and preserves. In spring, small, white, fragrant flowers occur at branch ends in flat-topped clusters, making this an ornamental garden plant. The 12- to 15-feet-tall shrub inhabits streamsides and thickets in nature, and works well as a garden hedge. A summer-ripening fruit, elderberry looks delicious shouldn't be eaten raw. The plant (Sambucus canadensis), hardy in USDA zones 3 through 11, produces fruits that are black and glossy, but they have alkaloid compounds that give an unpleasant taste to raw berries, although birds relish them. Cook the harvested fruits for about 15 minutes and use the juice for jelly or pies. Growing wild along wood edges and streams, 10- to 15-foot tall elderberries have showy white flower clusters in spring and need yearly pruning to keep the growth under control.

Wild Berries

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Two types of delicious wild berries occur in Indiana. Offering abundant berries that blacken when ripe, black raspberry (Rubus occidentalis, hardy in USDA zones 3 through 7) is a sprawling, thorny bramble with arched canes that can grow to 9 feet long. Eat the fruit raw or cook it into pies and preserves. Showy white flowers and berries occur on 2-year-old wood. For a berry plant that is easy to pick, Virginia strawberry (Fragaria virginiana, hardy in USDA zones 3 through 7) bears small but sweet and tasty red fruits in early summer. Plants are about 1 foot tall and grow in woodland margins or in open fields. They thrive in well-drained, moist soil.

Roots and Vines

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A prairie species with showy, yellow flowers and that bears edible tubers on its roots, Jerusalem artichoke (Helianthus tuberosa, hardy in USDA zones 3 through 9) is a branching, perennial sunflower. The tubers are good raw or cooked. Each plant can yield 2 to 5 pounds of tubers. For a vine with showy, complex purple flowers and oval, edible fruits, consider purple passion flower (Passiflora incarnata, hardy in USDA zones 5 through 9). Blooming all summer long, the 6- to 8-foot vines grow back each year from perennial roots. The soft fruits have a sweet pulp studded with small, black seeds and are yellow when ripe. Eat them raw or use them for jelly.

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