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    • Photo of Isotoma fluviatilis flower by Little Prince of Oregon

    Photo by Little Prince of Oregon

    Used with permission, all rights reserved

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    Buy Isotoma fluviatilis

    Also Known As

    • Laurentia fluviatilis
    • Lobelia fluviatilis
    • Pratia pedunculata
    • Blue Star Creeper
    • Matted Pratia
    • Swamp Isotoma

    Plant type

    perennial, groundcover

    size

    • H: 1"-2"
    • W: 12"-60"

    planting zones

    • 5a-9b

    #1 Container | $19.99

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    Fewer than 20 at Conifer Kingdom

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    Isotoma fluviatilis plant details

    Isotoma fluviatilis is a fast-growing broadleaf evergreen perennial groundcover with green foliage. In fall, spring and summer blue and white flowers emerge. Attracts bees making it an excellent addition to pollinator gardens. Grows well with sun - mostly shade and regular water. Adapts to various soil conditions. Does well in average, rich and well-drained soil.

    CHARACTERISTICS OF Isotoma fluviatilis

    Plant type: perennial groundcover
    Plant family: campanulaceae
    Foliage: evergreen green
    Mature size: 12 IN - 60 IN - wide, 1 IN - 2 IN - tall
    Flowers: blue and white blooms in fall, spring and summer
    Uses: alpine, container plant, easy-to-grow, rock garden, year-round-interest

    GROWING CONDITIONS for Isotoma fluviatilis

    USDA Zones: 5a - 9b
    Sun exposure: sun - mostly shade
    Watering frequency: regular
    Resistant to: snail / slug
    Soil needs: average, rich and well-drained

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    Nursery contributed plant descriptions

    An exellent ground cover perennial with light-blue star-shaped flowers. Leaves are tiny and round. Great to use between stepping stones, between plantings, and as a substitute for lawn.

    By: Conifer Kingdom

    This charming but vigorous groundcover produces a dense 2-4" tall and 18" wide carpet studded with tiny sky-blue star-shaped blooms from late spring and to early autumn. This lovely creeper makes a fine lawn alternative that can take light foot traffic; also a wonderful plant for fairy gardens! S-PSh/M

    By: Forestfarm

    Zones: 5-9 (Colder climates add winter mulch). Very attractive creeping perennial mat with small green leaves and tiny blue star-like flowers in late spring. Looks similar to Baby’s Tears. Use as mini meadows or mini flowering lawn, between pavers, troughs and rock gardens. Can take light foot traffic. LiveScale© ground cover.

    By: Mini Forest By Sky

    Bright blue flowers. Green foliage. #1seller

    By: Little Prince of Oregon

    Blue Star Creeper- a terrific ground cover with lots of sky blue star shaped 3/8" flowers from late spring to early fall forming a dense mat of green. Tolerates heavy foot traffic, great for in between flagstones and rock gardens, stepping stones. Likes sun to part shade

    By: Accents for Home and Garden

    Not sure if this has a common name, but is a lovely thing anyway. Evergreen in a mild winter. Very hard in any case. Low growing ground-cover with beautiful tiny blue flowers.

    By: Hoot Owl Hollow Nursery

    A steppable groundcover with tiny, green leaves and, in this form, dark blue, star flowers from late spring to frost. Great for filling in between pavers or over the sides of containers. Evergreen in mild winters. To only 2" or so tall spreading to 18-24" wide. Full sun in coastal climates but afternoon shade or dappled shade inland. Needs summer water. Frost hardy to -20 °F, USDA zone 5. (AKA: Laurentia fluviatilis, Lobelia fluviatilis, Pratia pedunculata and Pratia puberula!)

    By: Cistus Nursery

    A fair dinkum hardy Australian groundcover. Sure you won't pick your sheila a bouquet of these white flowers but it so lovely among the stepping stones as you wander about waiting for your billy to boil. Easy in moist soil leaving you plenty of time to throw some shrimp on the barby.

    By: Far Reaches Farm

    Gardening facts about Isotoma fluviatilis plant

    How to Grow Isotoma fluviatilis

    • Sun Exposure

      • sun - mostly shade

    • Water Needs

      • regular

    • Soil Needs

      • adaptable
      • average
      • well-drained
      • rich

    Features

    • Flower Color

      • white
      • blue

    • Flower Season

      • fall
      • summer
      • spring

    • Foliage Color

      • green

    • Wildlife

      • bees
      • snail / slug resistant

    • Foliage Season

      • evergreen

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