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Description

It is an aquatic plant in the family Marantaceae, native to swamps, ponds and other wetlands.

Powdery thalia is a rhizomatous, herbaceous perennial with a bluish, glaucous coating on leaves, flower stalks, and flowers.The planting hole should allow for the length of the rhizome and should be deep enough for one inch of soil to cover the top of the rhizome.

Water levels should be kept at about 1-2 inches until the plants become established and should never be allowed to cover the entire shoot of non-dormant plants.In a constructed wetland, sewageeffluent should not be introduced into the water until the plants become established. Although seedlings rarely establish naturally in most wetland situations, seedlingscan be produced easily indoors. Seed collection should be delayed until the majority of the fruit in the cluster has turned brown, because immature fruit will fall from the cluster along with ripe ones when the cluster is shaken toremove the fruit. It is not necessary to remove the fruit coverings before sowing, but this is easily done by rubbing. The seed can be stored dry, but should be placed in a moist medium and stored in the refrigerator for three months before sowing. The growing medium must bekept moist, but not saturated and air temperatures should be at least 75 °F. The seedlings can be planted in the wetland when they are approximately one foot tall.

Plant Specifications

*above specification are indicative only. actual dimensions may vary by +-10%
Common Name Powdery alligator-flag.,thalia dealbata, the powdery alligator-flag, hardy canna, or powdery thalia,
Maximum Reachable Height 4-6 ft.
Flower Colour Purple.
Bloom Time Late Summer/Early Fall.
Difficulty Level Easy.

Planting and care

  • As perennials establish, it is important to prune them back and thin them out occasionally.
  • This will prevent them from completely taking over an area to the exclusion of other plants, and also will increase air circulation thereby reducing the incidence of diseases like botrytis and powdery mildew.
  • Thalia Dealbata care

    Light applications of a complete fertilizer will improvegrowth throughout the growing season, but care should betaken to prevent fertilizer movement into the groundwater. In a constructed wetland, the levels of nutrientsapplied in the sewage may be sufficient to maintainacceptable growth.

    Sunlight Sun to Partial Shade.
    Watering remains above the water level.
    Soil fertile, loamy, humus-rich soil in up to 15cm of water.
    Temperature -10 - 35 degrees F
    Fertilizer Regularly use a fertilizer rich in nitrogen every 15-20 days.

    Thalia Dealbata uses

    Ornamental Use:

    • The plant has been grown as an aquatic ornamental because of the pretty violet flowers
    • Water garden, Bog or pond area

    Frequently Asked Questions

    What is another name for a Thalia Dealbata ?

    Thalia Dealbata is commonly known as Powdery alligator-flag.,thalia dealbata, the powdery alligator-flag, hardy canna, or powdery thalia,

    How tall do Thalia Dealbata grow?

    On average Thalia Dealbata grows 4-6 ft.

    What color are Thalia Dealbata ?

    A Thalia Dealbata plant bears flowers of color Purple.

    When Thalia Dealbata blooms?

    With enough light, Thalia Dealbata may produce Purple. flowers in Late Summer/Early Fall.

    How hard is Thalia Dealbata to grow?

    A Thalia Dealbata is Easy.

    How much sunlight does a Thalia Dealbata need?

    A Thalia Dealbata prefers Sun to Partial Shade.

    How much water does a Thalia Dealbata need?

    A Thalia Dealbata prefers watering remains above the water level.

    What kind of soil does a Thalia Dealbata need?

    A Thalia Dealbata prefers fertile, loamy, humus-rich soil in up to 15cm of water.

    What temperature does a Thalia Dealbata like?

    A Thalia Dealbata prefers -10 - 35 degrees F

    How often should I fertilize my Thalia Dealbata ?

    To encourage Thalia Dealbata growth, Regularly use a fertilizer rich in nitrogen every 15-20 days.

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