Double Yellow Flag Iris (Iris pseudacorus ‘Flore Pleno’)
| Size | 3 Ltr |
|---|---|
| Plant Type | Marginal |
| Sun / Shade | Full Sun to Part Shade |
| Flower Colour | Yellow |
| Growth Rate | Medium |
| Native to UK | No |
| Plant group |
A striking double flowering Yellow Flag Iris with bold golden blooms, perfect for adding height, colour, and structure to pond margins.
£26.50 (inc VAT)
Double Yellow Flag | Iris pseudacorus ‘Flore Pleno’
Elegant double flowering yellow iris with bold structure and vibrant pondside colour
Double Yellow Flag Iris (Iris pseudacorus ‘Flore Pleno’) is a stunning, refined version of the classic native Yellow Flag, offering all the architectural beauty of the species but with luxurious, fully double golden blooms. This eye catching marginal plant is perfect for adding height, structure, and a rich splash of colour to pond edges, streams, and bog gardens.
Flowering from late spring into early summer, typically May through July, ‘Flore Pleno’ produces large, layered yellow flowers that sit proudly above tall, upright stems. Unlike the single flowered native form, these blooms are fuller and more decorative, creating a standout feature in any pond planting scheme. The vibrant yellow tones contrast beautifully against the plant’s strong, sword shaped green foliage, delivering both colour and structure.
Reaching heights of 60 cm to 100 cm, this clump forming perennial creates a bold vertical presence at the pond margin. Its dense foliage not only enhances visual impact but also provides valuable shelter for amphibians such as frogs and newts. The flowers are highly attractive to pollinators, making it a great choice for wildlife friendly gardens.
This variety is slightly more controlled in its growth compared to the standard Yellow Flag Iris, making it easier to manage while still delivering the same natural appeal. It thrives in moist to waterlogged soils and can be planted directly in shallow water or damp ground around the pond edge. It performs well in full sun or partial shade and is extremely hardy in UK conditions.
Double Yellow Flag Iris is ideal for larger ponds, naturalistic planting schemes, and landscaping projects where a strong focal plant is needed. It works particularly well when planted in groups or alongside softer marginal plants to create contrast and balance.
Reliable, low maintenance, and visually striking, Iris pseudacorus ‘Flore Pleno’ is an excellent addition to any pond where both beauty and ecological value are important.
🇬🇧 UK-grown aquatic plant: Grown at a dedicated aquatic plant nursery in the South of England and carefully prepared for delivery across the UK.
Key Benefits
- Stunning double yellow flowers with strong visual impact
- Adds height and structure to pond margins
- Attractive to bees and pollinators
- Provides shelter for amphibians and wildlife
- More controlled growth than standard Yellow Flag
- Fully hardy and easy to maintain
Reasons to Buy
- Unique double flowering variety for added interest
- Ideal focal plant for ponds and water features
- Perfect for wildlife friendly planting schemes
- Strong architectural foliage enhances design
- Reliable perennial that returns year after year
Care Instructions
- Plant on a marginal shelf or in wet soil at a depth of 0 cm to 20 cm, measured from the top of the basket to the water surface.
- This iris prefers consistently moist or waterlogged conditions and should not be allowed to dry out. It grows best in full sun but will tolerate partial shade. Cut back foliage after it dies back in autumn to maintain plant health. Divide clumps every few years in early spring to encourage vigorous growth and prevent overcrowding.
Flowering Period
May to July
Size and Growing Conditions
Botanical Name: Iris pseudacorus ‘Flore Pleno’
Common Name: Double Yellow Flag Iris
Plant Type: Marginal
Flower Colour: Yellow
Height: 60cm to 100cm
Spread: Up to 50 cm
Growth Rate: Medium
Planting Depth: 0cm to 20cm
Position: Full sun to part shade
Soil: Moist to wet, ideal for pond margins and boggy areas
Native to the UK: No
Dispatching Your Pond Plants
Your Double Yellow Flag Iris will be carefully packed to protect the foliage and roots during transit.
Orders received by 11am Monday to Wednesday are normally dispatched on the following working day using a next working day courier service. During busy periods, dispatch may occasionally take an extra day.
To avoid plants being held in depots over a weekend, we do not usually dispatch on Fridays. Highlands and Islands orders using a two day service are not normally dispatched on Thursdays.
Available basket sizes:
- 3 Litre Hexagonal Basket – 18 × 18 × 16cm
Planting depth is measured from the top of the aquatic basket to the water surface.
Finofil baskets are manufactured in the UK from 100% recycled plastic and are fully recyclable. Their fine dual-mesh construction helps retain aquatic soil while allowing water and nutrients to reach the roots. Basket shape may vary slightly depending on the plant and supplier availability.
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