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Calamagrostis 'Karl Foerster' (Calamagrostis × acutiflora) - golden panicle grass - 11 cm pot - Height 25 cm

Calamagrostis 'Karl Foerster' (Calamagrostis × acutiflora) - golden panicle grass - 11 cm pot - Height 25 cm

Upright ears of corn, golden in

39,95 €
39,95 €
Livraison offerte Sale Sold out
Taxes included. Shipping calculated at checkout.
Diamètre : 11 cm · Hauteur : 15–25 cm
❄️ Frost-resistant⚡ Fast-growing☀️ Full sun
Number of plants:

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About

Calamagrostis 'Karl Foerster': the architectural grass that structures the four-season garden

Calamagrostis 'Karl Foerster' (Calamagrostis × acutiflora) is a hardy ornamental grass with a strictly vertical habit, ideal for structuring perennial beds, borders, and in-ground compositions. Its slender silhouette and feathery panicles add movement and lightness without encroaching on the space, unlike many grasses that spread uncontrollably.

  • Flowering and inflorescences: upright panicles that are initially silvery green from June, gradually turning golden beige in autumn, and remaining on the plant through winter for prolonged decorative effect.
  • Foliage: deciduous, linear, glossy dark green in spring and summer, taking on chamois tones in autumn before drying out.
  • Exposure: full sun is essential for optimal growth and abundant flowering.
  • Hardiness: fully hardy, withstands harsh winters without protection.
  • Use: structured perennial bed, soft hedge, path border, large group planting for a natural meadow effect, dry and ecological garden.
  • Packaging: depending on the batch chosen, 11 cm pot, height 15-25 cm, healthy plants sourced directly from production.

Ordered directly from the grower, your Calamagrostis 'Karl Foerster' arrives in excellent condition, ready to take root in its first season and shape the natural garden of your dreams.

Description

Care instructions

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Calamagrostis 'Karl Foerster' (Calamagrostis × acutiflora) - golden panicle grass - 11 cm pot - Height 25 cm

Propriétés des plantes

Calamagrostis 'Karl Foerster' (Calamagrostis × acutiflora)

Exposition
Sun
Eau
Moderate
Difficulté de culture
Easy
Toxicité animaux
Non-toxic
Rusticité
Down to -25 °C
Hauteur à maturité
150 cm
Sol
Ordinary, fresh, drained
Rempotage
Divide every 5 years approx., late winter-early spring
Fertilisation
Useless in the ground; in pots, liquid fertilizer
Distance de plantation
About 50 cm
Plante à protéger du gel
No
Type de climat
Tempered
Nom latin
Calamagrostis × acutiflora 'Karl Foerster'
Noms communs
Calamagrostis, sharp-flowered calamagrostis
Famille botanique
Poaceae
Origine
Hybrid (Europe)
Port
Erected
Forme du feuillage
Linear
Couleur du feuillage
Green
Couleur de floraison
Bronze, then pale blonde
Mois de floraison
June to September
Feuillage
Null and void
Parfumé
No
Mellifère
No
Usage
Solid, isolated, screen, pot
Destination
Open ground / Pot

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Help and solutions:

Everything You Need to Know About Calamagrostis 'Karl Foerster' (Calamagrostis × acutiflora) - golden panicle grass - 11 cm pot - Height 25 cm

Is Calamagrostis 'Karl Foerster' really hardy and can it survive the winter in the ground in France?

Yes, Calamagrostis 'Karl Foerster' (Calamagrostis × acutiflora) is a fully hardy grass that easily withstands French winters, including in continental regions subject to severe frosts. It can withstand temperatures well below -15°C without any protection. The foliage dries out and takes on chamois tones, but the crown remains perfectly alive underground. In spring, as soon as temperatures rise, the clump regrows vigorously.

What exposure does Calamagrostis 'Karl Foerster' need to achieve a beautiful upright habit?

Calamagrostis 'Karl Foerster' is a sun-loving grass that requires at least 6 hours of 'direct sunlight daily to produce its characteristic upright seed heads. In shade or partial shade, its form inevitably becomes lax: the stems 'lean towards the light, lose their verticality, and the flowering remains significantly less spectacular. In a north-facing garden or one heavily shaded by trees, it is better to opt for a grass suited to 'shade.

When and how to prune Calamagrostis 'Karl Foerster'?

Calamagrostis 'Karl Foerster' should be cut back only once a year, in late winter, ideally between mid-February and early March, before new shoots emerge from the base. Cut the entire clump back to about 10 to 15 cm above the ground, using sturdy secateurs or a billhook for small clumps, and a hedge trimmer or scythe for large ones. Avoid cutting in autumn: the dried seed heads and upright stems provide valuable winter interest and shelter for many beneficial insects.

What type of soil is best suited for Calamagrostis 'Karl Foerster'?

Calamagrostis 'Karl Foerster' (Calamagrostis × acutiflora) is remarkably adaptable in terms of soil. It thrives in ordinary substrates, even slightly clayey or compact ones, which sets it apart favorably from many grasses that require light and well-drained soil. It tolerates moist to slightly wet soils, making it useful along the edge of a landscape ditch or in garden areas that do not drain perfectly. However, soil constantly waterlogged in winter should still be avoided.

How to use Calamagrostis 'Karl Foerster' in the garden and which plants to pair it with?

Thanks to its strictly vertical habit and feathery plumes, Calamagrostis 'Karl Foerster' s'eats into many garden settings. Planted in odd-numbered groups in beds (3, 5, 7 plants), it creates a structured and natural meadow effect that contrasts with the rounded shapes of shrubs. It 'pairs beautifully with autumn-flowering perennials such as rudbeckias, echinaceas, veronicas, or sedums, whose warm colors resonate with its golden plumes. As a soft and transparent hedge, it defines spaces without blocking the light.

Is Calamagrostis 'Karl Foerster' an invasive plant?

No, Calamagrostis 'Karl Foerster' is a grass with rapid but perfectly controlled growth, forming a dense, compact clump without spreading invasively via stolons or excessive self-seeding. Unlike certain grasses such as miscanthus or common reed (Phragmites australis), it stays neatly in place and does not colonize neighboring areas. Its base gradually thickens year after year. After 4 to 5 years, it may be useful to divide the clump to rejuvenate and reduce it, a simple operation to carry out in March, with a spade, by taking sections from the periphery of the plant.

Can Calamagrostis 'Karl Foerster' be planted in a pot or container on a terrace?

The 'Karl Foerster' feather reed grass can easily be grown in a large container or pot on a sunny terrace, provided you choose a container 'at least 30 to 40 cm in diameter to allow its root ball to develop properly. Use a potting mix blended with coarse sand to ensure good drainage, and avoid cuts that would retain 'water in winter. In a container, 'watering must be more regular than 'in the ground, especially during the summer heat.

Calamagrostis Karl Foerster. Graminées ornementales avec de hautes panicules dorées, plantées dans un jardin pour un rendu naturel.

The essentials about Calamagrostis 'Karl Foerster' (Calamagrostis × acutiflora) - golden panicle grass - 11 cm pot - Height 25 cm

Calamagrostis 'Karl Foerster' (Calamagrostis × acutiflora): characteristics and benefits

The Calamagrostis 'Karl Foerster' (Calamagrostis × acutiflora) is undoubtedly the most iconic ornamental grass in contemporary gardens. Its strictly vertical habit, its feathery panicles that rise in regular columns, and its ability to maintain an architectural silhouette in all seasons make it an essential choice for any gardener wishing to structure their beds with style. From June, the initially silvery-green panicles emerge well above the foliage, then gradually turn golden beige in autumn.

Where to plant Calamagrostis 'Karl Foerster'? Exposure and hardiness

Calamagrostis 'Karl Foerster' is a full sun plant: it requires at least 6 hours of direct sunlight per day to produce its upright panicles and maintain an impeccable habit. It tolerates hot and windy conditions, where its natural swaying becomes an additional decorative asset. Explore our selection of shrubs and ornamental plants for the garden and create distinctive combinations.

How to care for Calamagrostis 'Karl Foerster'?

  • Soil: ordinary to slightly moist, even clay, provided it is not constantly waterlogged. Avoid rich amendments to prevent the stems from flopping.
  • Watering: moderate once established, tolerating summer drought. Water more regularly during the first few weeks after planting to promote rooting.
  • Pruning: prune once a year in late winter (February-March), to 10-15 cm above the ground. Leave the dried panicles standing throughout the winter for their decorative value and ecological role.
  • Exposure: full sun is essential, with at least 6 hours of direct sunlight daily for optimal habit and flowering.

Calamagrostis 'Karl Foerster' in the garden: flowering, foliage and combinations

Calamagrostis 'Karl Foerster' offers remarkable decorative interest throughout the four seasons. In spring, the glossy dark green foliage grows back vigorously, forming a dense, neat clump. In summer, the panicles rise elegantly above the foliage, silvery-green then gradually beige, adding verticality and movement. In autumn, the foliage takes on beautiful chamois and golden hues, and the dried panicles reach their full decorative expression. In winter, the upright stems persist, structuring the dormant garden and providing shelter for beneficial insects.

Buy Calamagrostis 'Karl Foerster' from Plant and Stories

Plant and Stories offers Calamagrostis 'Karl Foerster' in 11 cm pots, 15-25 cm tall, in lots of healthy plants sourced directly from production. Depending on the lot chosen, you benefit from a tiered price to create your beds or borders with immediate impact. Each plant is shipped in excellent condition, rooted and ready to be planted as soon as it arrives for optimal establishment in its first season. Order your Calamagrostis now and bring a beautiful outdoor plant into your garden.

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