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PONTEDERIA cordata

Image of Pontederia cordata

Felder Rushing

Family

Pontederiaceae

Botanical Name

PONTEDERIA cordata

Plant Common Name

Blue Pickerelweed, Pickerelweed

General Description

The pretty and prolific pickerelweed is a very common aquatic perennial that withstands fresh or brackish water. It is an emergent, or marginal, aquatic plant and prefers to be immersed in water a foot deep or less and naturally grows in wetlands and lake shallows in eastern North America from Canada to Florida.

Its large leaves are oval, linear or triangular. They are fully deciduous in northern areas and evergreen down south. The flowers are small and borne on upright spikes held above the foliage. They are lavender-blue and appear all summer.

Pickerelweed is a very easy to grow if given full sun and rooted in mucky soil covered with a shallow layer of water. It tends to spread rapidly by rhizomes, or creeping underground stems, so plant it where it can naturalize. If you wish to control its spread, submerse it in pots.

Characteristics

  • AHS Heat Zone

    12 - 1

  • USDA Hardiness Zone

    3 - 11

  • Sunset Zone

    H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Aquatics

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    3'-5' / 0.9m - 1.5m

  • Width

    2'-3' / 0.6m - 0.9m

  • Bloom Time

    Late Spring, Early Summer, Summer, Late Summer, Early Fall

  • Native To

    Northeastern United States, Southeastern United States, Caribbean

Growing Conditions

  • Soil pH

    Acidic, Neutral, Alkaline

  • Soil Drainage

    Poorly Drained

  • Soil type

    Clay, Loam, Sand

  • Tolerances

    Wet Site

  • Growth Rate

    Fast

  • Water Requirements

    Ample Water

  • Habit

    Clump-Forming

  • Seasonal Interest

    Spring, Summer

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Blue, Lavender

  • Foliage Color (Spring)

    Green

  • Foliage Color (Summer)

    Green

  • Foliage Color (Fall)

    Green

  • Foliage Color (Winter)

    Green

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    Yes

  • Showy Fruit

    No

  • Edible Fruit

    Yes

  • Showy Foliage

    Yes

  • Foliage Texture

    Coarse

  • Foliage Sheen

    Glossy

  • Evergreen

    Yes

  • Showy Bark

    No

Special Characteristics

  • Usage

    Bog Garden, Tropical, Water Gardens

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Butterflies

  • Self-Sowing

    Yes