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  • From "Garden Sense"
    episode DGAR-110


    (Continued from page 2)

    PHOTO
    Panicum virgatum 'Heavy Metal' – Heavy Metal Switch Grass

    • Medium ornamental grass with metallic blue foliage that has stiff, upright appearance
    • Pink flowers in fall
    • Plant in full sun
    • Plant in rich, but well-drained soil
    • Prune back to ground in late winter to early spring; fertilize in spring
    • Divide every few years in early spring
    • Height: 4-5 feet Width: 2-3 feet
    • Hardy in zones (4)5-9:

      • Zone 4: Plant in spring; plant in full sun; mulch after first frost to prevent winter heaving; remove mulch in spring; avoid exposure to salt; plant may flop over in heavy snow or ice; may be marginally hardy in zone 4a.
      • Zone 5: Plant in spring; plant in full sun; mulch after first frost to prevent winter heaving; remove mulch in spring; avoid exposure to salt; plant may flop over in heavy snow or ice.
      • Zone 6: Plant in spring; plant in full sun; mulch in fall; remove mulch in spring; plant may flop over in heavy snow or ice.
      • Zone 7: Plant in spring; plant in full sun to light shade; mulch in fall; remove mulch in spring; plant may flop over in heavy snow or ice.
      • Zone 8: Plant in spring or early fall; plant in full sun to light shade; mulch in fall; remove mulch in spring.
      • Zone 9: Plant in spring or early fall; plant in full sun to light shade; mulch in fall; remove mulch in spring.

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    PHOTO
    Perovskia atriplicifolia – Russian Sage

    • Deciduous shrub with silver foliage and showy violet-blue flowers in late summer and early fall
    • Plant in poor to average garden soil that is well-drained
    • Plant in full sun; prune severely when dormant
    • Height: 3-5 feet; Width: 2-4 feet
    • Hardy in USDA zones 5-9:

      • Zone 5: Plant in spring; plant in full sun; avoid exposure to salt; prune back to 12 inches and mulch heavily after first frost; pull back mulch in spring.
      • Zone 6: Plant in spring; plant in full sun; prune back to 12 inches and mulch after first frost; pull back mulch in spring.
      • Zone 7: Plant in spring or early fall; plant in full sun; prune back to 12 inches and mulch after first frost; pull back mulch in spring.
      • Zone 8: Plant in early fall; plant in full sun; prune back to 12 inches and mulch in fall; pull back mulch in spring.
      • Zone 9: Plant in early fall; plant in full sun; prune back to 12 inches and mulch in fall; pull back mulch in spring.

    PHOTO
    Euonymus fortunei 'Moonshadow' – Moonshadow Euonymus
    Euonymus fortunei "Moonshadow" can be invasive in the Midwest, Northeast and South.

    • Evergreen vine/ground cover with shiny green leaves with yellow mottled centers
    • Plant in poor to average garden soil that is well-drained
    • Plant in full sun to moderate shade
    • Invasive
    • Height: 1-3 feet; Width: 6 feet, spreading
    • Hardy in USDA zones (4)5-8(9):

      • Zone 4: Plant in spring; plant in full sun to partial shade; avoid exposure to salt; mulch heavily after first frost; pull back mulch in spring; may survive better with good snow cover and protection from harsh winter wind.
      • Zone 5: Plant in spring; plant in full sun; avoid exposure to salt; mulch heavily after first frost; pull back mulch in spring.
      • Zone 6: Plant in spring; plant in full sun; mulch after first frost; pull back mulch in spring.
      • Zone 7: Plant in spring or early fall; plant in full sun; mulch after first frost; pull back mulch in spring.
      • Zone 8: Plant in early fall; plant in full sun; mulch in fall; pull back mulch in spring.
      • Zone 9: Plant in early fall; plant in full sun; mulch in fall; pull back mulch in spring; may not thrive in this zone.

    PHOTO
    Liriope muscari 'Big Blue' – Big Blue Lilyturf

    • Clump forming, evergreen ground cover with grass-like foliage and lavender flowers in summer
    • Plant in rich organic soil that is well-drained
    • Plant in full sun to full shade
    • Prune back tattered foliage in late winter; divide in spring if needed
    • Height: 12-18 inches; Width: 1-2 feet
    • Hardy in USDA zones (5)6-10:

      • Zone 5: Plant in spring; plant in full sun to partial shade; avoid exposure to salt; mulch heavily after first frost; pull back mulch in spring; may be deciduous in this zone.
      • Zone 6: Plant in spring; plant in full sun to full shade; mulch after first frost; pull back mulch in spring.
      • Zone 7: Plant in spring or early fall; plant in full sun to full shade; mulch after first frost; pull back mulch in spring.
      • Zone 8: Plant in early fall; plant in light to full shade; mulch in fall; pull back mulch in spring.
      • Zone 9: Plant in early fall; plant in light to full shade; mulch in fall; pull back mulch in spring.
      • Zone 10: Plant in early fall; plant in light to full shade; mulch in fall; pull back mulch in spring.

    Gardening by Zip Code
    If you're looking to start a gardening project but don't know your gardening zone—visit the National Gardening Associations's USDA Hardiness Zone Finder. Enter your Zip Code to identify the proper zone.




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