Summerwine Ninebark and Other Plant Varieties

Find out about 17 plant varieties and how to care for them in specific zones.

summerwine ninebark has beautiful foliage color

Physocarpus opulifolius 'Seward' can grow up to 6 feet tall.

Summerwine Ninebark

  • Upright, dense deciduous shrub with dark purple foliage and white flowers
  • Plant in full sun to light shade; foliage color and flowering are best in full sun
  • Plant in average garden soil that is well-drained
  • Height: 4-6 feet
  • Width: 4-6 feet
  • Hardy in USDA zones (2) 3-7 (8)

Zone 2: Plant in spring; plant in full sun; mulch heavily after first hard frost to prevent winter heaving; avoid contact with salt; may be marginally hardy in this zone without adequate snow cover.

Zone 3: Plant in spring; plant in full sun; mulch heavily after first hard frost to prevent winter heaving; avoid contact with salt.

Zones 4-5: Plant in spring; plant in full sun; mulch after first hard frost to prevent winter heaving; avoid contact with salt.

Zone 6: Plant in spring or early fall; plant in full sun to light shade; mulch in fall.

Zones 7-8: Plant in spring or early fall; plant in full sun to light shade; mulch in fall; plants may struggle in warmer areas of this zone.

Tropicana Cannas

tropicana cannas has colorful striped foliage

Canna 'Tropicana' can grow in Zones 2-10.

  • Herbaceous perennial with bold foliage of green and orange/yellow stripes with orange flowers
  • Plant in rich soil with even moisture
  • Plant in full sun; remove dead foliage back to ground after frost
  • Height: 5-6 feet
  • Width: 2-3 feet, spreading
  • Annual or tender in USDA zones 2-6
  • Hardy in USDA zones (7) 8-10

Zones 2-6: Plant in spring after danger of frost has passed; plant in full sun; water regularly in dry spells during growing season; cut back to ground and remove before first hard frost; store in frost-free location over winter.

Zone 7: Plant in spring; plant in full sun; water regularly in dry spells during growing season; cut back to ground and apply extra mulch after first frost; commonly seen surviving the winter in this zone.

Zone 8: Plant in spring; plant in full sun; water regularly in dry spells during growing season; cut back to ground and apply mulch after first frost.

Zones 9-10: Plant in spring; plant in full sun; water regularly in dry spells during growing season; cut back to ground and apply mulch in late fall.

Dwarf Indian Hawthorn

dwarf indian hawthorne has blue fruit in summer

Rhaphiolepis indica 'Yedda' has blue fruit during summer.

  • Compact evergreen shrub with pink or white flowers in spring, blue fruit in summer
  • Plant in rich garden soil that is moist, but well drained; drought tolerant
  • Plant in full sun to light shade
  • Height: 2-4 feet
  • Width: 3-5 feet
  • Hardy in USDA zones 7-9 (10)

Zones 7-10: Plant in fall; plant in full sun to light shade; provide supplemental water during dry spells, especially in winter.

Gold Mound Spiraea

gold mound spiraea is noted for its golden foliage

Spiraea japonica 'Gold Mound' requires rich, well-drained soil.

  • Deciduous shrub noted for its golden foliage and pink flowers in early summer
  • Plant in full sun to partial shade
  • Plant in rich, but well-drained soil
  • Water regularly until established; fertilize in spring; prune 1/2 to 1/3 when dormant
  • Height: 2-3 feet
  • Width: 3-4 feet
  • Hardy in USDA zones 4-8

Zones 4-5: Plant in spring; plant in full sun; mulch heavily after first hard frost to prevent winter heaving; avoid contact with salt.

Zone 6: Plant in spring or early fall; plant in full sun to light shade; mulch after first hard frost.

Zone 7: Plant in early fall; plant in full sun to light shade; mulch in fall.

Zone 8: Plant in early fall; plant in full sun to partial shade; mulch in fall; gold foliage may fade and defoliate early in hot, dry weather.

Terra Cotta Yarrow

terra cotta yarrow is a spreading perennial

Achillea millefolium has bright flowers in the summer.

Gardener's Note of Interest: The generic name Achillea was chosen in honor of Achilles, the Greek hero of the Trojan War in Homer's Iliad, who used yarrow to treat his soldiers' war wounds.

  • Spreading upright perennial with finely dissected foliage and brightly colored flowers in summer
  • Plant in full sun; divide in spring every few years
  • Plant in average to poor, well-drained soil
  • Height: 18-24 inches
  • Width: 18-24 inches, spreading
  • Hardy in zones 3-9

Zones 3-5: Plant in spring to prevent winter heaving; plant in full sun; mulch after first hard frost; avoid contact with salt; pull back mulch in spring.

Zones 6-9: Plant in spring; plant in full sun; mulch in fall; pull back mulch in spring.

Homestead Purple Verbena

homestead purple verbena blooms profusely

Verbena Homestead Purple attracts butterflies.

  • Annual trailing verbena grown as a groundcover that blooms profusely all season with purple flowers.
  • Plant in loose organic soil that is well-drained; makes an excellent container plant; attracts butterflies.
  • Plant in full sun
  • Height: 8-12 inches
  • Width: 12-18 inches, spreading
  • Grown as an annual in all zones

All Zones: Plant in spring after danger of frost has passed; plant in full sun; water when dry; bring indoors for winter or discard plants after first killing frost.

Golden Shrimp Bush

golden shrimp bush is a tropical shrub

Pachystachys lutea is a tropical shrub that requires organic soil.

  • Tropical shrub with showy yellow terminal slender bracts
  • Plant in loose organic soil that is well-drained
  • Height:36-48 inches
  • Width: 24-36 inches
  • Annual in zones 2-8
  • Hardy in USDA zones 9-11

Zones 2-8: Plant in spring after danger of frost has passed; plant in full sun; water when dry; remove plants after killing frost; can be brought indoors prior to frost and grown as a houseplant.

Zones 9-11: Plant in spring after danger of frost has passed; plant in full sun; water when dry; prune back by 1/2 in fall.

New Gold Lantana

gold lantana is tolerant of poor soil and drought

Lantana x hybrida 'New Gold' can tolerate poor soil and drought.

  • Tender perennial groundcover grown as an annual with bright yellow flowers all spring and summer
  • Plant in full sun
  • Plant in well-drained soil, tolerant of poor soil and drought
  • Height: 16-18 inches
  • Width: to 3 feet
  • Hardy in USDA zones (7) 8-11

Gardener's Note: This plant is rarely perennial in zone 7b. Occasionally an extremely protected specimen will return.

Zones 2-6: Plant in spring after danger of frost has passed; plant in full sun; bring container plants indoors before frost or discard dead plants after frost.

Zone 7: Plant in spring after danger of frost has passed; plant in full sun; bring container plants indoor before frost or discard dead plants after frost; plants may survive a mild winter, but this is rare.

Zone 8: Plant in spring after danger of frost has passed; plant in full sun; plants may not survive winter in zone 8a, but are somewhat reliably perennial in 8b.

Zones 9-11: Plant in spring; plant in full sun; mulch in fall; pull back mulch and prune in spring.

Blue Daze Evolvulus

blue daze evolvulus known for profusion of blooms

Evolvulus glomeratus 'Blue Daze' has blue flowers from spring until frost.

  • Trailing tender perennial grown as an annual for its profusion of blue flowers from spring until frost
  • Plant in loose organic soil that is well-drained
  • Plant in full sun; can be used as a groundcover or in containers
  • Tolerates heat
  • Height:8-12 inches
  • Width: 24-36 inches
  • Annual in zones 2-7
  • Hardy in USDA zones 8-11

Zones 2-7: Plant in spring after danger of frost has passed; plant in full sun; water when dry; remove plants after killing frost; can be brought indoors prior to frost and grown as a houseplant.

Zones 8-11: Plant in spring after danger of frost has passed; plant in full sun; water when dry; prune back by 1/2 in fall.

Hummingbird Summersweet

hummingbird summersweet is a prolific bloomer

Clethra alnifolia 'Hummingbird' is a deciduous shrub that grows up to about three feet tall.

  • Plant Type: Deciduous shrub
  • Height: about 3 ft.
  • Spread: 2 to 3 feet
  • Bloom time: Mid to late summer. Considered a prolific flower producer
  • Bloom color: Creamy white
  • Foliage: rich yellow in fall
  • Sun: Full sun to part shade
  • Water: Medium to wet
  • Maintenance: Low, likes slightly acidic soil
  • Hardy in USDA zones 4-9

Zones 4-5: Plant in early spring; plant in full sun to light shade; mulch in spring to conserve moisture and again after first hard frost; avoid contact with salt; prune only if needed in early spring.

Zone 6: Plant in early spring or early fall; plant in full sun to partial shade; mulch in spring to conserve moisture and again after first hard frost; prune only if needed in early spring.

Zone 7: Plant in early fall; plant in full sun to partial shade; mulch in spring to conserve moisture and again after first hard frost; prune only if needed in early spring.

Zone 8: Plant in early fall; plant in full sun to partial shade; mulch in spring to conserve moisture and again after frost; prune only if needed in early spring.

Zone 9: Plant in early fall; plant in full sun to partial shade; mulch in spring to conserve moisture and again in fall; prune only if needed in early spring.

Speedwell

speedwell has deep blue candle shaped flowers

Veronica 'Goodness Grows' has candle-shaped flowers in summer and fall.

  • Deciduous mounding perennial with deep blue candle-shaped flowers in summer and fall
  • Plant in full sun to partial shade
  • Plant in rich, but well-drained soil
  • Fertilize as new growth appears in spring
  • Height: 15-18 inches
  • Width: 12-15 inches
  • Hardy in USDA zones (3)4-8

Zone 3: Plant in spring; plant in full sun; mulch heavily after first hard frost; avoid contact with salt; pull back mulch in spring; plant may be marginally hardy in this zone.

Zone 4: Plant in spring; plant in full sun; mulch heavily after first hard frost; avoid contact with salt; pull back mulch in spring.

Zone 5: Plant in spring; plant in full sun; mulch after first hard frost; avoid contact with salt; pull back mulch in spring.

Zone 6: Plant in spring; plant in full sun to light shade; mulch after first hard frost; pull back mulch in spring.

Zone 7: Plant in spring; plant in full sun to partial shade; mulch after first hard frost; pull back mulch in spring.

Zone 8: Plant in spring; plant in full sun to partial shade; mulch in fall; pull back mulch in spring.

Black-Eyed Susan

black eyed susans are daisy like flowers

Rudbeckia hirta 'Autumn Colors' needs space for good circulation.

  • Annual with 7-inch yellow or bronze daisy-like flowers with maroon-burgundy centers
  • Plant in well-drained soil
  • Plant in full sun
  • Deadhead to promote continued blooming; may reseed
  • Space generously to allow for good air circulation
  • Height: 20-24 inches
  • Width: 12-18 inches
  • Annual in all zones (seems to die in fall no matter how warm)

Zones 2-8: Plant in spring after danger of frost has passed; collect seed in fall for planting the following spring; discard plants after killing frost.

Zones 9-11: Plant in spring or sow seeds in fall when ripe; discard plants in fall.

Bronze Fennel

bronze fennel has finely dissected foliage

Foeniculum vulgare 'Purpurescens' has soft yellow flowers during summer.

  • Upright perennial with finely dissected foliage and soft yellow flowers in summer
  • Plant in full sun; divide in spring every few years
  • Plant in average, well-drained soil
  • Deadhead to prevent unwanted seedlings
  • Height: 4-6 feet
  • Width: 1-2 feet
  • Hardy in zones 4-9

Zone 4: Plant in spring to prevent winter heaving; plant in full sun; mulch after first hard frost; avoid contact with salt; pull back mulch in spring; plants may be marginally hardy in this zone.

Zone 5: Plant in spring to prevent winter heaving; plant in full sun; mulch after first hard frost; avoid contact with salt; pull back mulch in spring.

Zones 6-9: Plant in spring; plant in full sun; mulch in fall; pull back mulch in spring.

Rue

with rue deadhead to prevent unwanted seedlings

Ruta graveolens is a perennial with gray foliage and soft yellow flowers during summer.

  • Upright perennial with dissected gray foliage and soft yellow flowers in summer
  • Plant in full sun; divide in spring every few years
  • Plant in average, well-drained soil
  • Deadhead to prevent unwanted seedlings
  • Height: 18-24 inches
  • Width: 15-18 inches
  • Hardy in zones 6-11

Zones 6-11: Plant in spring; plant in full sun; mulch in fall; pull back mulch in spring.

Adonis Blue Butterfly Bush

adonis blue butterfly bush has blue spike flowers

Buddleia davidii Adonis Blue has dark blue spike flowers that attract butterflies.

Gardener's Note: All Buddleia davidii are on watch lists for invasiveness and can't be shipped to several western states.

  • Deciduous shrub with gray-green foliage and dark blue spike flowers that attract butterflies
  • Plant in rich, but well-drained soil; prune heavily in very early spring
  • This variety reaches 4 to 5 feet in height and will spread 3 to 4 feet
  • Water regularly until established; fertilize in spring
  • Deadhead to reduce seedlings and prolong blooming
  • Plant in full sun for best flowering
  • Hardy in USDA zones 5-9

Zone 5: Plant in spring to prevent winter heaving; plant in full sun; mulch heavily after first hard frost; avoid contact with salt; care for plant as herbaceous perennial and prune to the ground in early spring.

Zone 6: Plant in spring or early fall; plant in full sun; mulch in fall; care for plant as a deciduous shrub and prune heavily in late winter.

Zones 7-9: Plant in early fall; plant in full sun; mulch in fall; care for plant as a deciduous shrub and prune heavily in late winter.

Peacock Butterfly Bush

peacock butterfly bush needs full sun for blooms

Buddliea davidii Peacock is a deciduous shrub that needs to be pruned heavily in early spring.

  • Deciduous shrub with gray-green foliage and spikes of pinkish-purple flowers that attract butterflies
  • Plant in rich, but well-drained soil; prune heavily in very early spring
  • Water regularly until established; fertilize in spring
  • Deadhead to reduce seedlings and prolong blooming
  • Plant in full sun for best flowering
  • Hardy in USDA zones 5-9

Zone 5: Plant in spring to prevent winter heaving; plant in full sun; mulch heavily after first hard frost; avoid contact with salt; care for plant as herbaceous perennial and prune to the ground in early spring.

Zone 6: Plant in spring or early fall; plant in full sun; mulch in fall; care for plant as a deciduous shrub and prune heavily in late winter.

Zones 7-9: Plant in early fall; plant in full sun; mulch in fall; care for plant as a deciduous shrub and prune heavily in late winter.

Purple Emperor Butterfly Bush

purple emperor butterfly bush is a deciduous shrub

Buddliea davidii Purple Emperor has deep purple flowers that attract butterflies.

  • Deciduous shrub with gray-green foliage and medium to deep purple flowers that attract butterflies
  • Plant in rich, but well-drained soil; prune heavily in very early spring
  • Water regularly until established; fertilize in spring
  • Deadhead to reduce seedlings and prolong blooming
  • Plant in full sun for best flowering
  • Hardy in USDA zones 5-9

Zone 5: Plant in spring to prevent winter heaving; plant in full sun; mulch heavily after first hard frost; avoid contact with salt; care for plant as herbaceous perennial and prune to the ground in early spring.

Zone 6: Plant in spring or early fall; plant in full sun; mulch in fall; care for plant as a deciduous shrub and prune heavily in late winter.

Zones 7-9: Plant in early fall; plant in full sun; mulch in fall; care for plant as a deciduous shrub and prune heavily in late winter.

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