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Shade Trees and Easy-Care Perennials

Garden experts offer planting information for 11 shade trees and easy-care perennials.

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Frida Ballard Aster (4 of 12)

Aster novi-belgii 'Frida Ballard' (aka Symphyotrichum novi-belgii)

Gardener's Note: Some plants formerly in the genus Aster have undergone a name change and are now Symphyotrichum.

  • Early fall-blooming perennial with raspberry-red daisy-like flowers with yellow centers.

  • Plant in full sun to light shade; flowering is better in full sun.

  • Plant in moist to average garden soil that is high in organic matter.

  • Height: 2-3 feet.

  • Width: 2-3 feet.

Hardy in zones 4-8:

  • Zone 4: Plant in spring to prevent winter heaving; plant in full sun to light shade; mulch after first hard frost; avoid contact with salt; water when dry.

  • Zone 5: Plant in spring to prevent winter heaving; plant in full sun to light shade; mulch after first hard frost; avoid contact with salt; water when dry.

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

  • Zone 7: Plant in fall; plant in full sun to partial shade; mulch in fall; water when dry.

  • Zone 8: Plant in fall; plant in full sun to partial shade; mulch in fall; water when dry.

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