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  • Plant varieties and zone information
    From "Garden Sense"
    episode DGAR-406


    Below are 22 plant varieties and the planting information for each zone.

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    PHOTO

    'Emerald Green' Eastern Arborvitae
    Thuja occidentalis 'Smaragd' – 'Emerald Green' Eastern Arborvitae

    • Upright, large evergreen shrub noted for its tight pyramidal shape and green foliage
    • Plant in full sun to light shade in rich, moist, but well-drained soil
    • Water regularly first season and in times of dry weather
    • Fertilize in mid spring with acid-based fertilizer
    • Dog urine may leave brown spots on foliage
    • Height: 12-15 feet; Width: 4-6 feet
    • Hardy in USDA zones 2-7(8):

    • Zone 2: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; avoid exposure to harsh winter wind.
    • Zone 3: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; avoid exposure to harsh winter wind.
    • Zone 4: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; avoid exposure to harsh winter wind.
    • Zone 5: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; avoid exposure to harsh winter wind.
    • Zone 6: Plant in spring or early fall; plant in full sun; apply extra mulch after first frost.
    • Zone 7: Plant in early fall; plant in full sun to light shade; apply extra mulch after first frost.
    • Zone 8: Plant in early fall; plant in full sun to light shade; apply extra mulch in fall.

    PHOTO

    Muhly Grass
    PHOTO

    Muhly Grass in bloom
    Muhlenbergia capillaris – Muhly Grass or Muhlygrass

    • Upright clumping warm season ornamental grass with thin blades and purple-pink plumes in late summer
    • Plant in full sun
    • Plant in rich, moist, but well-drained soil; salt tolerant
    • Water regularly first season and in times of dry weather; prune back to several inches tall in late winter
    • Height: 3-4 feet; Width: 3 feet
    • Hardy in USDA zones 6-10:

    • Zone 6: Plant in spring; plant in full sun; mulch in fall.
    • Zone 7: Plant in early spring; plant in full sun; mulch in fall.
    • Zone 8: Plant in early spring; plant in full sun; mulch in fall.
    • Zone 9: Plant in early spring; plant in full sun; mulch in fall.
    • Zone 10: Plant in early spring; plant in full sun; mulch in fall.

    PHOTO

    Gold Japanese Sweetflag
    Acorus gramineus 'Ogon' – Golden Variegated Sweetflag or Gold Japanese Sweetflag

    • Mounding evergreen perennial with variegated with green/gold stripes on grass-like foliage
    • Plant in full sun to partial shade
    • Plant in rich, moist to wet soil.
    • Water regularly first season and in times of dry weather; prune back to several inches tall in late winter
    • Height: 10-12 inches; Width: 12-24 inches
    • Hardy in USDA zones 7-10:

    • Zone 7: Plant in early spring or fall; plant in full sun to partial shade; mulch in fall.
    • Zone 8: Plant in early spring or fall; plant in full sun to partial shade; mulch in fall.
    • Zone 9: Plant in early spring or fall; plant in full sun to partial shade; mulch in fall.
    • Zone 10: Plant in early spring or fall; plant in full sun to partial shade; mulch in fall.

    PHOTO

    Stella D'Oro Daylily
    Hemerocallis 'Barbara Mitchell' – Stella D'Oro Daylily

    • Daylily with pale pink flowers with a green throat in spring through summer; repeat blooming in early fall and semi-evergreen foliage in warmer climates
    • Remove spent flower stalks to encourage continuous blooming
    • Plant in full sun to light shade
    • Remove damaged foliage in early spring; divide and fertilize in spring
    • Plant in fertile, moist but well-drained soil; drought tolerant once established
    • Height: 20 inches Width: 18 inches
    • Hardy in zones 4-10:

    • Zone 4: Plant in spring; plant in full sun; mulch heavily after first hard frost to prevent winter heaving; protect from salt; pull mulch back in spring.
    • Zone 5: Plant in spring; plant in full sun; mulch heavily after first hard frost to prevent winter heaving; protect from salt; pull mulch back in spring.
    • Zone 6: Plant in spring; plant in full sun; mulch in fall; pull mulch back in spring.
    • Zone 7: Plant in spring; plant in full sun to light shade; mulch in fall; pull mulch back in spring.
    • Zone 8: Plant in spring; plant in full sun to light shade; mulch in fall; pull mulch back in spring.
    • Zone 9: Plant in spring or early fall; plant in full sun to light shade; mulch in fall; pull mulch back in spring.
    • Zone 10: Plant in spring or early fall; plant in full sun to light shade; mulch in fall; pull mulch back in spring.

    PHOTO

    Dense Blazing Star
    Liatris spicata – Dense Blazing Star (aka Gayfeather)

    • Perennial with grass-like foliage and spikes of purple flowers in the late summer to early fall
    • Plant in average, but well-drained soil
    • Plant in full sun
    • Height: 24-36 inches; Width: 12-18 inches
    • Hardy in USDA zones 4-9:

    • Zone 4: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt.
    • Zone 5: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt.
    • Zone 6: Plant in spring; plant in full sun; apply extra mulch after first hard frost.
    • Zone 7: Plant in spring; plant in full sun; apply extra mulch after first hard frost.
    • Zone 8: Plant in spring; plant in full sun.
    • Zone 9: Plant in spring; plant in full sun.

    PHOTO

    Sunny Border Blue Speedwell
    Veronica x 'Sunny Border Blue'- Sunny Border Blue Speedwell

    • Deciduous perennial with upright spikes of dark violet-blue flowers in summer and fall
    • Plant in full sun
    • Plant in average garden soil that is well-drained soil
    • Fertilize as new growth appears in spring
    • Height: 18-20 inches; Width: 18-20 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.

    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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