Perennial flowers are a fantastic choice for creating a garden filled with lasting color that returns year after year. The varieties in this selection are especially known for adding impressive height to any garden space. Each one brings its own distinct beauty, enhancing the overall character of your garden. If you’re aiming to introduce height and vibrant color to your outdoor space, these 14 striking perennials are definitely worth exploring.
Ligularia
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Ligularia is a perennial with bright yellow flowers that appear in summer. It thrives in moist, well-drained soil and prefers partial to full shade, making it perfect for adding color and texture to shaded spots in the garden. Suitable for zones 4-9
Agastache
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Agastache is a favorite among bees, hummingbirds, and butterflies. It features tall spikes of fragrant purple, pink, and orange flowers. Agastache requires full sun and well-drained soil. This plant is fairly pest-free and will bloom through summer. Zones 4-10
Kniphofia (Red Hot Poker)
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Red-hot pokers (Kniphofia), also known as torch lilies, are eye-catching herbaceous perennials that stand out for their tall flower spikes, which bloom in vibrant shades of red, orange, and yellow in spring and summer.
Native to Africa, these plants take about four years to reach full size. Their bright blooms are a magnet for pollinators like bees and butterflies. Red hot pokers thrive in full sun and well-drained soil and are hardy in USDA Zones 5-9.
Eucomis (Pineapple Lily)
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Eucomis, commonly known as pineapple lily, is a summer-blooming bulb with striking, unusual flowers that resemble a pineapple, thanks to the tufted cluster at the top of its sturdy stem. This unique appearance gives the plant its popular name.
Flowering from late summer through early autumn, Eucomis is easy to grow and adds a tropical flair to sunny borders or sheltered gardens. They come in shades of white, pink, and violet.
Cardinal Flower (Lobelia cardinalis)
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With its tall spikes of striking red flowers, cardinal flowers are the perfect disease-resistant plant for shaded corners of your garden. This hardy perennial forms mounds of evergreen leaves throughout the winter and grows to 2-4 feet tall each summer.
Sneezeweed
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Its bright, daisy-like flowers bloom in late summer and fall, bringing vibrant yellow, red, and bronze hues to sunny gardens. These flowers are perfect for cutting and arranging. Despite its name, it does not trigger sneezing or allergies. Zone 3-10
Foxglove
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Foxglove has tall spikes of bell-shaped flowers, perfect for adding height to shaded gardens. It blooms from late spring to early summer and is suitable for Zones 4-10.
Lavender (Lavandula)
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With its striking purple color and soothing aroma, lavender attracts butterflies and is perfect for low-maintenance gardens. It thrives in sunlight with minimal water, keeps deer at bay, and fills the garden with a wonderful scent. It’s perfect for easy-care gardens while keeping the deer away.
Blazing Star
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The tall spikes of purple flowers of the Blazing Star serve as an eye-catching attraction for butterflies. This plant prefers sunny spots and well-drained soil, offering a striking vertical element to the garden while providing nectar for visiting butterflies.
Globe Thistle
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Distinctive for its spherical blue flower heads, globe thistle can be planted in June to enjoy blooms from mid-summer to fall. It’s a striking addition that adds texture and a hint of wildness to your landscaping.
Butterfly Bush (Buddleja Davidii)
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True to its name, this bush attracts butterflies with fragrant flowers from summer to fall. It prospers in full sun and well-drained soil, reaching up to 10 feet tall in zones 5-9.
Delphinium
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Delphiniums are known for their tall spikes of deep blue flowers, bringing a striking vertical touch to garden borders. They do best in full sun and rich, well-drained soil, requiring regular watering and support with stakes. Zones 3-8.
Penstemon
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Penstemon is deer-resistant and known for its colorful, tubular flowers that attract bees and hummingbirds. Its unappealing taste and texture to deer make it an excellent choice for gardens seeking beauty and wildlife attraction without the deer problem. Zones 3-9
Speedwell
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Speedwell displays spikes of vivid blue flowers and is appreciated for its durability and long blooming period. It prefers full sun but can tolerate partial shade and needs well-drained soil. Speedwell is easy to care for, requiring only occasional watering once established, and adds vertical interest to gardens. Zones 3-8.
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