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    • Photo of Blechnum penna-marina foliage, form by Sebright Gardens

    Photo by Sebright Gardens

    Used with permission, all rights reserved

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    Blechnum penna-marina

    Also Known As

    • Austroblechnum penna-marina
    • Blechnum penna-marina ssp. penna-marina
    • Alpine Water Fern
    • Little Hardy Fern

    Plant type

    fern, groundcover

    size

    • H: 6"-12"
    • W: 12"-60"

    planting zones

    • 7a-10b

    More Options

    Blechnum penna-marina plant details

    Blechnum penna-marina is an evergreen groundcover fern with bronze, burgundy, green and pink foliage. Grows well with mostly sun - shade and even moisture - regular water. Does well in acidic, average, rich and well-drained soil. A good option if you're seeking something humidity tolerant and verticillium wilt resistant.

    CHARACTERISTICS OF Blechnum penna-marina

    Plant type: groundcover fern
    Plant family: blechnaceae
    Foliage: evergreen bronze, burgundy, green and pink
    Mature size: 12 IN - 60 IN - wide, 6 IN - 12 IN - tall
    Uses: border plant, container plant, creeping, rock garden, woodland garden, year round interest

    GROWING CONDITIONS for Blechnum penna-marina

    USDA Zones: 7a - 10b
    Sun exposure: mostly sun - shade
    Watering frequency: even moisture - regular
    Resistant to: deer, rabbit and snail / slug, humidity and verticillium wilt
    Soil needs: acidic, average, rich and well-drained

    Nursery contributed plant descriptions

    A (4”) spreading deer fern. Plants are slow spreading and make a pretty evergreen ground cover. We made a planting between a fence and a wall in Eugene and its made a wonderful show.

    By: Gossler Farms

    Evergreen ground covering fern, a petite 6” stature, creeping slowly...new fronds are showy copper-red. Loves meandering through chinks and crevices in stone walls but equally attractive under shrubs where it can eventually spread to a 5’ patch. Most soils (sand to clay), water when dry; light shade for best spring color; cutting to ground in late winter increases new growth and color.

    By: Secret Garden Growers

    Zn 7. Fronds emerge rosy-pink. Evergreen.

    By: Little Prince of Oregon

    Native to the southern hemisphere, Australia and New Zealand as well as South America, this is a dwarf, evergreen fern, to only 12" tall, with dense fronds that emerge bronze and age to dark green. A lovely groundcover for part to full shade, spreading slowly primarily by underground rhizomes to form clumps. Doesn't actually grow in water -- in spite of the common name -- but often near water courses. Enjoys moist conditions as long as drainage is good. Best if roots aren't planted too deep. Frost hardy to -10F, USDA zone 6.

    By: Cistus Nursery

    Blechnum penna-marina ~ Thick mound of fine, dark green fronds that emerge coppery-red in spring. Slowly spreads to make a thick mass of fronds. Plant in nearly sun to light shade & well drained, acidic, moist soil. Zones 6 to 9. Size: 4” to 8”. Evergreen.

    By: Sebright Gardens

    Evergreen fern forming a mat of dark green fronds and narrower, erect fertile fronds. The young fronds emerge reddish.

    By: Phoenix Perennials and Specialty Plants Ltd.

    This a bigger version of the little B. penna-marina ssp. alpina commonly found in nurseries. We never see this offered which is just a shame since it is a great fern. Well, not such a shame since a little exclusivity never hurts. This makes a dense groundcover of evergreen foliage.

    By: Far Reaches Farm

    This 5" tall evergreen groundcover fern emerges deep salmon in color and darkens to a glossy dark green. It spreads slowly to make a nice mat, and loves a pot, rocks or logs. Lilliputian.

    By: Dancing Oaks Nursery

    Gardening facts about Blechnum penna-marina plant

    How to Grow Blechnum penna-marina

    • Sun Exposure

      • mostly sun - shade

    • Water Needs

      • even moisture - regular

    • Soil Needs

      • acidic
      • average
      • well-drained
      • rich

    • Special Situation

      • humidity tolerant
      • verticillium wilt resistant

    Features

    • Foliage Color

      • pink
      • bronze
      • green
      • burgundy

    • Wildlife

      • deer resistant
      • snail / slug resistant
      • rabbit resistant

    • Foliage Season

      • evergreen

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