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What are some perennials that grow in acidic soil?

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Some perennial plants that grow in acidic soil are the bleeding heart, the ostrich fern and blueberries. A wide variety of perennials grow in acidic soil, from ground covers to flowering plants. Many of the most common garden shrubs prefer acidic soil. Mulching with shredded bark, pine needles or peat moss helps maintain pH levels between 1.0 and 6.0. If the soil is not acidic enough for a particular plant, adjust with nitrogen fertilizers and elemental sulphur.

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The blueberry bush thrives in highly acidic soil. Use this plant for hedges, to attract wildlife, as shrub borders and to collect the fruit. Use 10-10-10 fertilizer after the second year of growth. Apply half when the buds open and the other half a month later. Maintain between 3 and 20 percent of soil organic content with organic mulch. Prune after the third year of growth in late winter or early spring to improve fruit production. Pick blueberries once they've become completely blue and when they detach easily to ensure maximum sweetness.

Ostrich ferns grow well in areas of the garden where other plants don't thrive. These ferns reach heights between 3 to 6 feet with the shape of a tail feather. Ostrich ferns take a while to grow because the plant prioritizes root growth instead of leaf growth. These ferns require low maintenance when fully grown. Water regularly, and fertilize occasionally to keep ostrich ferns healthy.

Bleeding hearts need moist soil to thrive. Regular watering and organic mulch help retain soil moisture and provide nutrients to the plant. Bleeding hearts produce rows of hanging heart-shaped flowers in early spring. Fertilize regularly, and use compost. Choose cool and shady areas to grow this plant, and only remove yellow and brown leaves in the summer.

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