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HARD SHIELD FERN
Polystichum aculeatum
Catalog
Landscape Size
Plant Benefits
Care Instructions
Growth Conditions
Flowering
Attributes

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Photo Credit: Hort Printers
Item #: 3646
Category: FERNS
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Catalog Description
A useful, spreading fern for the woodland setting. Bears bright yellowish green fronds in spring that stand out boldly as they unfurl. Color darkens to a glossy forest green over summer growing season. Ideal plant under problem shade trees or in dark corners to cover exposed ground beneath aging shrubs. Perfect for gaps between boulders in naturalistic water features, and to cover unsightly liners or concrete at water’s edge. Prefers evenly moist acidic soil with good drainage. Cut back winter damaged fronds in spring before growth begins. Herbaceous fern. Shade or part shade. Moderate growth ranging from 1 to 3 feet high and as wide. Hardy.
Design Ideas

Companion Plants

    Average Landscape Size

    Vigorous grower 1 to 3 ft. tall and wide.
    Key Plant Benefits

    A spreading fern for woodland settings. Bears bright yellowish green fronds in spring that mature to glossy forest green. Ideal plant under shade trees or to cover exposed areas between shrubs. Perfect between boulders in naturalistic water features.
    Care Instructions

    Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. Feed frequently during growing season with a general purpose fertilizer. Cut back old fronds after new growth begins in spring.
    Growth Conditions

    Growth Rate
    Moderate Growing
    Growth Habit
    Spreading
    Heat Zones
    High:
    8 (>90 to 120 days)
    Low:3 (>7 to 14 days)
    Cold Hardiness
    High:8 (10 to 20 F) (see map)
    Low:3 (-40 to -30 F)
    Water Requirements
    Keep moist, will grow in water.
    Sun Exposure
    Partial to full shade
    Flowering

    Flower or Bloom description:
    Insignificant flowers, prized for the foliage
    Flower Color
    No Value
    Flowering Time/Season
    Insignificant flowers.
    Propagation

    Attributes

    Woodland Garden
    Foliage

    Plant Lore

    Plant History

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