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Thompson & Morgan Phragmites Australis - 9cm Pot

Not AvailableThompson & Morgan Phragmites Australis - 9cm Pot

Stand tall in your wildlife garden with Thompson and Morgan Phragmites Australis Plant Pot 9cm. Wi...

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This 9cm pot of Thompson & Morgan Phragmites Australis (Common Reed) is ideal for gardeners looking to add dramatic, naturalistic height and wildlife support to large ponds, lakes, or bog gardens. Its key benefit is providing a majestic, low-maintenance display of glossy foliage and feathery purple flower heads. A caveat to consider is its vigorous growth, potentially reaching up to 3 meters, requiring ample space. This native aquatic perennial is valued for its ornamental appeal, ecological contribution to wetland habitats, and traditional uses.

All features

Model Part NumberPhragmites Australis
BrandThompson & Morgan

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FAQs

What is the mature height of Phragmites Australis?

Phragmites Australis can grow up to 3 meters (approximately 118 inches) tall when mature, making it a very tall and stately plant.

Can I plant this in a regular garden soil?

While it can grow in moist soil, Phragmites Australis thrives best in boggy conditions or when submerged in water up to 50cm deep. Regular garden soil may not provide sufficient moisture.

How do I overwinter this plant?

Phragmites Australis is a hardy perennial. In autumn, you can cut back the stems to just above the water surface for a tidy look, or leave them for winter interest and wildlife food. It is naturally adapted to survive cold temperatures.

Is this plant invasive?

While Phragmites Australis is a native wetland species and generally well-behaved in its natural habitat, some related species can be invasive. In a controlled garden pond setting, it is usually manageable, but monitor its growth.

When is the best time to plant Phragmites Australis?

The best time to plant is typically in spring or early summer, allowing the plant to establish itself before the colder months.

Does it require fertilizer?

Generally, Phragmites Australis does not require supplemental fertilization, especially when planted in nutrient-rich pond mud or boggy soil. Over-fertilization can lead to excessive, weak growth.

What does 'aquatic perennial' mean?

An aquatic perennial is a plant that lives for many years and is adapted to grow in water or very wet, boggy soil conditions. It will regrow each year from its roots or base.

Can this plant help clean my pond water?

Yes, like other reeds, Phragmites Australis plays a role in natural water filtration by absorbing nutrients from the water through its root system. This can help reduce algae and improve water quality.

Troubleshooting

Plant appears yellow or stunted.

Ensure the plant is receiving adequate water and is in a sufficiently moist or waterlogged location. Phragmites requires consistently wet conditions to thrive.

Plant is growing too aggressively in a small area.

Consider planting in a container submerged in the pond or a dedicated aquatic planting basket to restrict root spread. Regular trimming of any emergent shoots may also be necessary.

Leaves are browning or wilting.

This could indicate the plant is too dry. Increase watering or ensure it is planted in a deeper water level if in a pond. Check for any blockages if it is part of a filtration system.

No flowering observed.

Ensure the plant is receiving full sun and has been established for at least one growing season. Vigorous growth in the first year may prioritize foliage over flowering.

Pros and Cons

Pros

  • Adds significant ornamental height and structure to water features.
  • Provides valuable habitat and food sources for wetland wildlife.
  • Durable and hardy, suitable for various moist or boggy conditions.
  • Low maintenance requirements once established.
  • Offers traditional aesthetic and functional appeal.

Cons

  • Can grow very tall (up to 3 meters), requiring ample space.
  • Vigorous growth may require containment in smaller water bodies.
  • Plant is deciduous and will lose leaves in winter, though stems and seed heads can offer winter interest.
  • Decorative pots are not included with the plant.

Setup, Compatibility & Care

Planting Instructions:

  1. Location: Choose a spot in full sun for optimal growth.
  2. Soil: Plant in moist, boggy soil, or submerge in a pond.
  3. Depth: If planting in a pond, submerge the pot up to a maximum depth of 50cm (20 inches).
  4. Establishment: Ensure the plant is well-watered during its initial establishment phase.

Compatibility:

  • Ideal For: Large ponds, lakes, naturalistic water gardens, bog gardens, and wetland areas.
  • Not Recommended For: Small ponds or containers where its vigorous growth may be unmanageable without strict containment.

Care Instructions:

  • Watering: Requires consistently moist or waterlogged conditions. It thrives with its roots submerged or in very wet soil.
  • Maintenance: Once established, Phragmites Australis is very low maintenance. In autumn, cut back the dead stems to just above the water surface for a tidier appearance. Alternatively, leave the seed heads intact to provide winter structure and food for wildlife.
  • Pruning: Minimal pruning is usually needed, primarily for aesthetic tidiness in autumn.