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Thalia dealbata (Powdery alligator-flag)

Beginner
skill rating
1 hour care
per year
1.5m
Max height
0.6m
Max spread
5-10 years
To maturity

Plant details

Botanical name

Thalia dealbata

Other names

Powdery alligator-flag

Genus

Thalia Thalia

Species

T. dealbata - T. dealbata is a marginal aquatic plant with large, ovate, grey-green leaves coated with a white dust. In summer, it bears small panicles of violet flowers on tall, wiry stems.


Thalia dealbata is: Evergreen

Habit

Clump-forming

Flower

Lilac in Summer

Foliage

Green in All seasons

How to care

Watch out for

Pests

Generally pest free

Diseases

Generally disease free

General care

Propagation methods

Division, Seed


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Where to grow

Thalia dealbata (Powdery alligator-flag) will reach a height of 1.5m and a spread of 0.6m after 5-10 years.

Suggested uses

Aquatic

Cultivation

Plant in aquatic compost in a basket and place at a depth of approx 15cm. Choose a sheltered, sunny position. It may lose foliage in winter in colder areas.

Soil type

Loamy

Soil drainage

Pond/In water

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South, East, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4), Tender in frost (H3)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Thalia dealbata

Other names

Powdery alligator-flag

Genus

Thalia Thalia

Species

T. dealbata - T. dealbata is a marginal aquatic plant with large, ovate, grey-green leaves coated with a white dust. In summer, it bears small panicles of violet flowers on tall, wiry stems.

Foliage

Evergreen

Habit

Clump-forming


Colour

Flower

Lilac in Summer

Foliage

Green in All seasons


How to care

Watch out for

Pests

Generally pest free

Diseases

Generally disease free

General care

Propagation methods

Division, Seed


Monthly care advice


Where to grow

Thalia dealbata (Powdery alligator-flag) will reach a height of 1.5m and a spread of 0.6m after 5-10 years.

Suggested uses

Aquatic

Cultivation

Plant in aquatic compost in a basket and place at a depth of approx 15cm. Choose a sheltered, sunny position. It may lose foliage in winter in colder areas.

Soil type

Loamy

Soil drainage

Pond/In water

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South, East, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4), Tender in frost (H3)

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This plant likes... Garden match
Soil types: Loamy Tell us...
Soil drainage: Pond/In water Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Full Sun Tell us...
Aspect: South, East, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Hardy (H4), Tender in frost (H3) Tell us...

GARDENS WITH THIS PLANT

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Robert Kay
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Christopher Bond
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Lily Rose

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