20 Best Perennial Flowers For Zone 5

USDA hardiness zone 5 covering parts of the northern United States is known for its challenging climate, with winter temperatures plunging to -20°F to -10°F. 

Gardeners here face seasonal weather patterns like cold winters, warm summers, and variable frost dates that typically range from early May to late October.

For successful gardening in Zone 5, it’s crucial to choose plants that can withstand these climatic conditions.

Apart from understanding soil types, sunlight and watering requirements, growing perennial flowers will be a perfect choice for enjoying blooms all year around.

 

Purple Coneflower (Echinacea purpurea) 

Purple Coneflower
Purple Coneflower
  • Mature Size: 2-5 feet tall
  • Bloom Time: Summer to early fall
  • Sun Exposure: Full sun
  • Soil Requirement: Well-drained soil

Purple coneflower stands tall at 2-5 feet and blooms from summer to early fall. It boasts large, vibrant purple-pink flowers with distinctive cone-shaped centers.

This plant thrives in well-drained soil and full sun. Once established, purple coneflower is drought-tolerant and requires minimal watering. 

Remember to deadhead spent blooms to encourage prolonged flowering, and divide clumps every few years helps manage growth and promote healthy plants.

Additionally, it can attract bees and butterflies. Several studies suggest that echinacea contains active substances that boost immune function, relieve pain, and antioxidant effects…

 

Daylily (Hemerocallis spp.)

Daylily
Daylily
  • Mature Size: 1-3 feet tall
  • Bloom Time: Early summer to fall
  • Sun Exposure: Full sun to partial shade
  • Soil Requirement: Well-drained soil

Belonging to the Asphodelaceae family, daylilies are perennials with bright yellows and oranges to deep reds and purples. Typically, they grow to a height of 1-3 feet, blooming from early summer through fall.

Daylilies thrive in well-drained soil and flourish in both full sun and partial shade. They prefer moderate watering, especially during dry spells. 

One of the joys of growing daylilies is their compatibility with coneflowers and hostas which can create a lush and dynamic garden display.

When caring for daylilies, simply divide clumps every few years to manage their spread and deadhead spent blooms to encourage new flowers. 

 

English Lavender (Lavandula angustifolia) 

English Lavender
English Lavender
  • Mature Size: 1-3 feet tall
  • Bloom Time: Late spring to early summer
  • Sun Exposure: Full sun
  • Soil Requirement: Well-drained soil

English lavender grows to a height of 1-3 feet and shows soft purples and blues. It blooms from late spring to early summer filling the air with its signature fragrance.

Lavender thrives in well-drained soil and requires full sun to achieve its best flower production. It’s drought-tolerant, needing only moderate watering once established. 

You need to prune the plants annually after blooming to maintain their shape and promote healthy growth, and ensure good drainage to prevent root rot. 

English lavender is used for potpourris and essential oils. Besides, it attracts beneficial insects like bees and butterflies enhancing the ecological health of your garden.

In borders and rock gardens, it can pair beautifully with roses, sage, and other sun-loving perennials creating a visually stunning and aromatic garden.

 

Garden Phlox (Phlox paniculata) 

Garden Phlox
Garden Phlox
  • Mature Size: 2-4 feet tall
  • Bloom Time: Mid-summer to early fall
  • Sun Exposure: Full sun to partial shade
  • Soil Requirement: Loamy, well-drained soil

Garden phlox belongs to the Polemoniaceae family, blooming from mid-summer to early fall. It reaches heights of 2-4 feet and offers pink, white, red, and purple.

This versatile plant thrives in loamy, well-drained soil and enjoys full sun but can also tolerate partial shade. Regular watering is essential, particularly during dry spells. 

To keep your garden best, deadhead blooms to encourage continuous flowering. Also, you can prevent powdery mildew by proper spacing and air circulation. 

Garden phlox works well in borders, and cottage gardens. Gardeners in zone 5 are looking to it because of its long blooming period and vivid colors in the fall.

 

Woodland Sage (Salvia nemorosa) 

Woodland Sage
Woodland Sage
  • Mature Size: 1-2 feet tall
  • Bloom Time: Late spring to early summer
  • Sun Exposure: Full sun
  • Soil Requirement: Well-drained soil

Woodland sage is a part of the Lamiaceae family. It blooms from late spring to early summer and produces stunning spikes of blue, purple, or violet flowers. 

This plant thrives in well-drained soil and requires full sun to flourish. It is also drought-tolerant once established, needing only moderate watering.

Regular pruning after the first bloom encourages a second wave of flowers, and deadheading spent blooms promotes prolonged flowering. 

Woodland sage pairs beautifully with coneflowers and black-eyed susans creating vibrant cottage gardens, mixed borders, and attracting beneficial insects.

One of the standout benefits of woodland sage is its medicinal uses. Its leaves have been used in Turkish medicine to stop bleeding by applying externally.

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Threadleaf Coreopsis (Coreopsis verticillata)

Threadleaf Coreopsis
Threadleaf Coreopsis
  • Mature Size: 1-3 feet tall
  • Bloom Time: Early summer to fall
  • Sun Exposure: Full sun
  • Soil Requirement: Well-drained soil

Threadleaf coreopsis, sometimes called “Tickseed,” belongs to the Asteraceae family. This plant produces bright yellow flowers that bloom from early summer through fall.

It thrives in well-drained soil and requires full sun. Threadleaf coreopsis is relatively low-maintenance, needing only moderate watering. 

To maintain threadleaf coreopsis, simply cut back the plants after the first flush of blooms to encourage a second flowering and divide clumps every few years. 

It’s an excellent companion to other sun-loving perennials such as, enhancing the overall beauty and diversity of your garden.

In the garden, threadleaf coreopsis pairs well with coneflowers, and salvias giving exotic landscape for borders, wildflower gardens, and cottage gardens.

 

Black-eyed Susan (Rudbeckia fulgida) 

Black-eyed Susan
Black-eyed Susan
  • Mature Size: 2-3 feet tall
  • Bloom Time: Mid-summer to fall
  • Sun Exposure: Full sun
  • Soil Requirement: Well-drained soil

Black-eyed susan belongs to the Asteraceae family. This plant blooms from mid-summer to fall and boasts bright yellow petals with a distinctive dark brown center. 

It thrives in well-drained soil and full sun, though it can tolerate partial shade. It is relatively low-maintenance, requiring moderate watering once established. 

Remember to deadhead spent blooms to encourage continuous flowering and divide clumps every few years to prevent overcrowding. 

Black-eyed susans are resilient, they withstand various weather conditions. They can be pest-resistant and help enhance the ecological health of your garden.

 

Showy Stonecrop (Sedum spectabile)

Showy Stonecrop
Showy Stonecrop
  • Mature Size: 1-2 feet tall
  • Bloom Time: Late summer to fall
  • Sun Exposure: Full sun to partial shade
  • Soil Requirement: Well-drained soil

Belonging to the Crassulaceae family, showy stonecrop is known for its dense clusters of star-shaped flowers, which bloom in late summer through fall. 

The flowers come in shades of pink, red, and white, creating a stunning display that attracts pollinators like bees and butterflies.

Thriving in well-drained soil, showy stonecrop prefers full sun but can tolerate partial shade. It’s incredibly low maintenance and drought-tolerant.

To keep your plant looking its best, simply cut back the stems in late winter or early spring before new growth begins. Prevent overwatering to avoid root rot. 

Showy stonecrop can thrive with little care. Its upright, fleshy foliage adds a unique texture for rock gardens, borders, and container gardens.

 

Chinese Astilbe (Astilbe chinensis)

Chinese Astilbe
Chinese Astilbe
  • Mature Size: 1-3 feet tall
  • Bloom Time: Late spring to early summer
  • Sun Exposure: Partial shade to full shade
  • Soil Requirement: Moist, well-drained soil

Chinese astilbe is known for its feathery plumes of delicate flowers. Blooming from late spring to early summer, it offers a soft palette of pinks, purples, and whites.

This shade-loving plant thrives in moist, well-drained soil and prefers partial to full shade. Consistent watering is crucial to keep the soil moist. 

To maintain your Chinese astilbe, apply mulch to retain soil moisture and keep roots cool, and divide the clumps every few years to promote vigorous growth. 

Chinese Astilbe pairs beautifully with hostas, ferns, and other shade-loving perennials, enhancing the lush, layered look of a shaded garden.

Its delicate flowers and attractive foliage make it a standout in borders, along paths, and in shaded beds. 

 

Canadian Columbine (Aquilegia canadensis

Canadian Columbine
Canadian Columbine
  • Mature Size: 1-2 feet tall
  • Bloom Time: Late spring to early summer
  • Sun Exposure: Partial shade to full sun
  • Soil Requirement: Well-drained soil

Canadian columbine is a native plant producing unique, nodding red and yellow flowers like little lantern shapes that bloom from late spring to early summer. 

Thriving in well-drained soil, Canadian columbine prefers partial shade but can also tolerate full sun. It requires moderate watering, particularly during dry periods. 

You can deadhead spent blooms to encourage new growth and reseeding. This plant readily self-seeds, allowing it to naturalize and spread gracefully over time.

This plant pairs with ferns and wild geraniums creating a perfect design for woodland gardens. It also attract hummingbirds adding lively scene to your garden.

 

Bleeding Heart (Dicentra spectabilis)

Bleeding Heart
Bleeding Heart
  • Mature Size: 2-3 feet tall
  • Bloom Time: Late spring to early summer
  • Sun Exposure: Partial shade to full shade
  • Soil Requirement: Moist, well-drained soil

Bleeding heart is a part of the Papaveraceae family and celebrated for its heart-shaped pink and white flowers that dangle gracefully from arching stems. 

It is also called “Lady-in-a-Bath,” inspired by the flower’s unique shape that resembles a lady taking a bath when turned upside down.

This shade-tolerant plant thrives in moist, well-drained soil and prefers partial to full shade. Regular watering is essential to maintain soil moisture. 

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To keep your bleeding heart healthy, cut back the foliage after it dies back naturally in midsummer, and apply mulch to retain soil moisture and regulate temperature. 

Bleeding Heart pairs beautifully with ferns, hostas, and other shade-loving perennials, creating a lush and harmonious garden design.

With a unique flower shape, it can pair well with ferns or hosta to decorate for shaded borders and woodland gardens.

Note that all parts of this plant are toxic if ingested, so be careful if you have pets or young children.

 

Hosta (Hosta spp.) 

Hosta
Hosta
  • Mature Size: 1-2 feet tall
  • Bloom Time: Mid-summer
  • Sun Exposure: Partial shade to full shade
  • Soil Requirement: Moist, well-drained soil

The most striking feature of hosta is the wide variety of leaf colors and patterns, ranging from deep greens to vibrant yellows and blues. 

Thriving in moist, well-drained soil, hostas prefer partial to full shade. They require regular watering, especially during dry periods. 

With delicate, bell-shaped flowers that bloom in mid-summer, hostas can pair with ferns or astilbes to create a tapestry of textures in shaded garden spots.

Divide the clumps every few years to manage their size and promote healthy growth. Preventing slug damage is crucial, as these pests love hosta leaves. 

Hostas are perfect for borders and as focal points in shaded areas. While hostas are not toxic, they can cause mild stomach upset if ingested by pets.

 

Bearded Iris (Iris germanica) 

Bearded Iris
Bearded Iris
  • Mature Size: 2-3 feet tall
  • Bloom Time: Late spring to early summer
  • Sun Exposure: Full sun to partial shade
  • Soil Requirement: Well-drained soil

The bearded iris is also known as “German Iris”. It blooms from late spring to early summer with large, ruffled flowers covered by blues, purples, yellows, and whites.

Bearded irises thrive in well-drained soil and prefer full sun. They require moderate watering to keep the soil moist but not waterlogged. 

Divide the rhizomes every few years to prevent overcrowding. Deadheading spent blooms encourages the plant to focus energy on developing healthy rhizomes rather than seed production.

These irises pair well with other sun-loving perennials such as peonies, daylilies, and lavender. They are perfect for flower beds, and as focal points in sunny areas. 

 

Lady’s Mantle (Alchemilla mollis) 

Lady's Mantle
Lady’s Mantle
  • Mature Size: 1-2 feet tall
  • Bloom Time: Late spring to early summer
  • Sun Exposure: Partial shade to full sun
  • Soil Requirement: Moist, well-drained soil

Lady’s mantle is adored for its soft, velvety leaves and clusters of delicate, chartreuse-yellow flowers that bloom from late spring to early summer. 

Its foliage, with its scalloped edges, catches morning dew beautifully. In garden design, lady’s mantle is perfect for borders, woodland gardens, and cottage gardens.

It prefers moist, well-drained soil and does well in partial shade, though it can tolerate full sun in cooler climates. It requires moderate watering during dry periods. 

This versatile plant pairs wonderfully with other perennials like hostas, astilbes, and ferns, enhancing the overall beauty and texture of shaded garden areas.

To maintain the lady’s mantle, cut back the foliage after flowering to encourage fresh growth and prevent self-seeding. Dividing the plant every few years keeps it vigorous. 

 

Bee Balm (Monarda didyma) 

Bee Balm
Bee Balm
  • Mature Size: 2-4 feet tall
  • Bloom Time: Mid-summer to early fall
  • Sun Exposure: Full sun to partial shade
  • Soil Requirement: Moist, well-drained soil

Bee balm features striking, tubular flowers with red, pink, purple, and white. It  blooms from mid-summer to early fall and acts as a magnet for bees and butterflies.

Thriving in moist, well-drained soil, bee balm prefers full sun but can tolerate partial shade. Regular watering is essential to keep the soil consistently moist. 

Remember to deadhead spent blooms to encourage continuous flowering and prevent mildew by ensuring good air circulation around the plants. 

Besides ornamental value for borders, bee balm is also used in traditional remedies for colds and digestive issues. The leaves can be used to make a soothing tea.

 

Yarrow (Achillea millefolium)

Yarrow
Yarrow
  • Mature Size: 1-3 feet tall
  • Bloom Time: Late spring to early fall
  • Sun Exposure: Full sun
  • Soil Requirement: Well-drained soil

Yarrow is also called “Achillea” derived from the Greek hero Achilles, who is said to have used the plant to treat his soldiers’ wounds during the Trojan War.

This plant is renowned for its clusters of tiny, daisy-like flowers that bloom from late spring to early fall. They are white, yellow, and red, while leaves are feathery, fern-like.

Yarrow thrives in well-drained soil and full sun, suitable for rock gardens. It is incredibly drought-tolerant once established, requiring minimal watering. 

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To keep your yarrow best, cut back the stems after the first bloom to encourage a second flowering, and divide the plants every few years to prevent overcrowding. 

Yarrow has been traditionally used to treat wounds, reduce inflammation, and relieve pain. The plant’s leaves and flowers can be made into teas or salves.

 

Foxglove Beardtongue (Penstemon digitalis) 

Foxglove Beardtongue
Foxglove Beardtongue
  • Mature Size: 2-3 feet tall
  • Bloom Time: Late spring to early summer
  • Sun Exposure: Full sun to partial shade
  • Soil Requirement: Well-drained soil

Foxglove beardtongue is admired for its tubular, bell-shaped flowers that bloom white, pink, and light purple from late spring to early summer and lance-shaped green leaves.

This resilient plant prefers well-drained soil and can flourish in both full sun and partial shade. It is also relatively drought-tolerant. 

You are encouraged to deadhead spent blooms to encourage continuous flowering and cut back the stems after the flowering season to promote healthy growth. 

This plant can attract pollinators like bees and butterflies. Additionally, its sturdy nature makes it a reliable choice for less experienced gardeners.

While beautiful, it’s important to note that all parts of the plant are toxic if ingested, so caution should be taken around pets and small children.

 

Catmint (Nepeta x faassenii) 

Catmint
Catmint
  • Mature Size: 1-2 feet tall
  • Bloom Time: Late spring to early fall
  • Sun Exposure: Full sun to partial shade
  • Soil Requirement: Well-drained soil

Catmint features charming, lavender-blue flowers that bloom profusely from late spring to early fall and features grey-green, aromatic leaves.

Catmint thrives in well-drained soil and enjoys full sun, though it can tolerate partial shade. It is drought-tolerant once established, requiring minimal watering. 

Cut back the plant after the first bloom to encourage a second flowering and to keep it tidy. Regular pruning can prevent the plant from spreading too aggressively. 

In garden design, this plant is perfect for borders and cottage gardens. It can pair with roses, lavender, and other sun-loving perennials creating a harmonious display.

 

Blue False Indigo (Baptisia australis) 

Blue False Indigo
Blue False Indigo
  • Mature Size: 3-4 feet tall
  • Bloom Time: Late spring to early summer
  • Sun Exposure: Full sun to partial shade
  • Soil Requirement: Well-drained soil

Blue false indigo is celebrated for its spires of deep blue to violet flowers that bloom from late spring to early summer with attractive, bluish-green leaves.

This resilient plant prefers well-drained soil and full sun but can tolerate partial shade. It is drought-tolerant once established, needing only minimal watering. 

You should cut back the stems after flowering to encourage bushier growth and divide the plant every few years to prevent overcrowding and promote growth. 

Blue false indigo has nitrogen-fixing ability enriching the soil and benefiting neighboring plants. Besides, its long-lasting flowers and attractive foliage make it a garden favorite.

This flower is perfect for meadow gardens. Its botanical name, Baptisia, is derived from the Greek word for “to dip,” referencing its historical use in making blue dye. 

 

Allium (Allium giganteum)

Allium
Allium
  • Mature Size: 1-4 feet tall, depending on variety
  • Bloom Time: Late spring to early summer
  • Sun Exposure: Full sun
  • Soil Requirement: Well-drained soil

Alliums own their striking, spherical flower heads. They bloom from late spring to early summer with various colors while the leaves are green or greyish-green.

These plants thrive in well-drained soil and require full sun to flourish. They are drought-tolerant once established, needing only moderate watering. 

To maintain alliums, simply remove the spent flower heads to prevent self-seeding and cut back the foliage after it has died back naturally. 

Alliums can deter pests effectively thanks to their onion-like scent making them excellent companion plants for vegetables and other susceptible plants.

With purple, pink, white, and yellow flowers, they are perfect for borders, rock gardens, and as striking focal points in flower beds. 

 

20 Perennial Plants That Grow In Zone 6
20 Perennial Plants That Grow In Zone 6

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