Feather reed grass Calamagrostis × acutiflora 'Overdam' 5-10 pot P9

Size: Potmaat leidend

5-10cm

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Pot 9x9 cm (P9)

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In stock up to and including 22/12/2024
- 5-10cm
  
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  Pot 9x9 cm (P9)
  
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  From 3.35
  
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  In stock up to and including 22/12/2024
- 10-15cm
  
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  Pot 2 ltr. (C2)
  
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  From 9.70
  
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  Temporarily sold out

Number of m2

Nr. of plants

3.35

3.35 per piece

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12+ -5.4% £3.50

24+ -8.1% £3.40

96+ -9.5% £3.35

Benefits according to our specialist

Plantable year-round
Low maintenance
Decorative foliage

Plant features
Description
Frequently Asked Questions
Planting and care
Packaging and shipping

Genus
Calamagrostis (view all varieties)

Root type
Pot

Pot size
9x9 cm (P9)

Flowering months
June, July, August

Leaf colour
Brown, Purple

Possibilities
Border, Group planting, Solitary

Soil type
All soil types, well-drained

Positioning
Semi-shade, Sun

Winter hardiness
-20,6°C / -15,0°C , USDA zone 6b/7a

Fruit-bearing plants
No

Water needs
Average water

Number of plants per m²
6

Evergreen plants
No

Leaf colour
Green, White

Fragrant plants
No

Growth habit
Clump-forming and upright growth habit

Height at time of delivery excluding pot/clod
5-10

Mature height (cm)
150

Art. no.
1000164

Description

Calamagrostis × acutiflora 'Overdam' | Feather reed grass

Calamagrostis × acutiflora 'Overdam', commonly referred to as feather reed grass, is a striking ornamental grass that brings an elegant vertical presence to the landscape. Its slender foliage, with a distinctive cream, green, and yellow variegation, gracefully sways in the breeze, providing movement and texture to garden borders and solitary plantings.

Key Features

Some of the key features of Calamagrostis × acutiflora 'Overdam' include:

The plant's clump-forming and ascending growth habit ensures a tidy appearance with a compelling vertical accent.
'Overdam' flourishes in a range of well-drained soils and is adaptable to both sunny and partially shaded locations.
With a height reaching up to 1.5 meters, it stands out in the garden with its feathery plumes starting out purple in summer and transitioning to a beautiful brown hue in autumn and winter.
This deciduous grass adds seasonal interest with foliage colors that remain vibrant from spring through autumn.
The plant does not bear fruit, and its flowers are not fragrant, which allows it to blend well with a variety of fragrant garden companions.

Tips

To maintain the health and vigor of Calamagrostis × acutiflora 'Overdam', consider dividing the plant every few years. This process is best conducted during the cooler months of spring or autumn.
While 'Overdam' has average water needs, ensure consistent watering especially during dry spells to keep the plant thriving.
When planting in borders or as a group, space the plants adequately to allow for their clump-forming habit and to enable air circulation, which is vital for their health.
As the plant is deciduous, cut back the old stems in late winter before the new growth starts to keep your garden looking neat and to encourage robust new stems.

Ideal placement of a Calamagrostis × acutiflora 'Overdam'

Calamagrostis × acutiflora 'Overdam' flourishes in locations that receive full sun to partial shade. While adaptable to a range of soil types, it is imperative that the soil is well-drained to support its growth. This ornamental grass exhibits a preference for moist, fertile soils but can tolerate average water conditions once established. To ensure optimal growth and a display of its characteristically variegated foliage and colorful inflorescences, positioning in an area with ample sunlight is recommended. Avoiding excessively dry conditions is crucial, as this species is not drought-resistant.

How do I plant a Calamagrostis × acutiflora 'Overdam'?

When planting Calamagrostis × acutiflora 'Overdam', select a site with full sun to partial shade exposure to encourage optimal growth. This grass thrives in all soil types, provided they are well-drained. Upon planting, ensure that the root ball is level with the soil surface for proper root establishment. This species benefits from regular watering, especially during its settling-in period, to facilitate root development and plant vigor. For a striking visual impact, consider spacing individual plants approximately 60 cm apart, allowing each clump sufficient room to expand and display its graceful, arching form.

Pruning a Calamagrostis × acutiflora 'Overdam'

Calamagrostis × acutiflora 'Overdam' benefits from being cut back in late winter before new growth starts. Prune the grass to about 10 cm above ground level to promote vigorous, healthy shoots. This allows the plant to refresh its stately, upright form as it regrows in the spring. Regular pruning also helps in maintaining the variegated foliage, which transitions through shades of cream, green, and yellow throughout the seasons, ensuring that the plant's visual appeal is at its peak year after year.

Watering a Calamagrostis × acutiflora 'Overdam'

While Calamagrostis acutiflora 'Overdam' is established, it's essential to maintain a consistent watering schedule to keep the soil evenly moist. This feather reed grass thrives with average water needs, which means the soil should not be allowed to dry out completely between watering sessions. In periods of prolonged heat or drought, additional watering may be necessary to sustain its lush appearance and optimal growth. Regular watering will also support the development of its striking cream, green, and yellow foliage, as well as its summer and autumn blooms.

Fertilising a Calamagrostis × acutiflora 'Overdam'

For optimal growth and development, Calamagrostis × acutiflora 'Overdam' benefits from a balanced fertilisation approach. Apply a general-purpose, slow-release fertiliser in early spring as new shoots emerge. This will provide a steady supply of nutrients throughout the growing season, supporting its clump-forming and ascending growth habit. A second application in mid-summer can help sustain its vigor, especially as the grass prepares to flower. When fertilising, ensure even distribution around the base of the plant to avoid fertilizer burn, and water thoroughly to help the nutrients penetrate the soil. Adequate fertilisation not only promotes robust foliage with distinctive variegation but also enhances the ornamental value of its summer and autumn inflorescences.

The characteristics of a Calamagrostis × acutiflora 'Overdam'

Calamagrostis × acutiflora 'Overdam' is a striking addition to any garden with its variegated foliage, providing a unique texture and movement. This feather reed grass thrives in a variety of soil types, as long as there is adequate drainage. It's an excellent choice for gardeners looking to create a low-maintenance but visually appealing landscape. Its upright form and graceful seed heads add interest throughout the seasons, even offering a subtle beauty in the winter months.

Separating/dividing a Calamagrostis × acutiflora 'Overdam'

To maintain the robust health and growth of Calamagrostis × acutiflora 'Overdam', division should be carried out periodically. Ideally, this task should be performed during the more temperate seasons of spring or autumn. Start by carefully lifting the plant from the soil and gently separate it into smaller sections. This encourages rejuvenation and prevents overcrowding. As you replant the divisions, ensure that each has a sufficient root system to establish itself. This technique not only stimulates vigorous new growth but also allows gardeners to manage the size and shape of the ornamental grass in their landscape design.

What will be the height of Calamagrostis × acutiflora 'Overdam'?

Calamagrostis × acutiflora 'Overdam' typically reaches a height ranging from 50 centimeters to 1 meter when fully mature.

What will be the width of Calamagrostis × acutiflora 'Overdam'?

Calamagrostis × acutiflora 'Overdam' will achieve a spread ranging from 10 centimeters to 50 centimeters at its full maturity.

Which soil type is most suitable for the Calamagrostis × acutiflora 'Overdam'?

Calamagrostis × acutiflora 'Overdam' adapts well to various soil types, but it particularly thrives in well-drained soils. Ensuring proper drainage facilitates the healthy growth and development of this plant.

What is the ideal positioning for the Calamagrostis × acutiflora 'Overdam'?

The optimal location for Calamagrostis × acutiflora 'Overdam' is an area where it can receive ample sunlight, as well as a spot with partial shade. This plant can thrive in both sunny conditions and in locations where the sunlight is partially filtered.

What is the flowering colour of the Calamagrostis × acutiflora 'Overdam'?

The flowering color of Calamagrostis × acutiflora 'Overdam' includes hues of brown and purple, adding a delightful and unique touch to the plant during its blooming period.

Is the Calamagrostis × acutiflora 'Overdam' hardy?

Yes, Calamagrostis × acutiflora 'Overdam' is considered winter hardy. It can tolerate temperatures as low as -20.6°C to -15.0°C, falling within the USDA hardiness zones 6b to 7a. This indicates that Calamagrostis × acutiflora 'Overdam' is well-suited to endure the winter conditions in these zones.

Is the Calamagrostis × acutiflora 'Overdam' evergreen?

Calamagrostis × acutiflora 'Overdam' is not an evergreen plant. It is deciduous, shedding its leaves during the autumn season and re-sprouting in the spring.

What is the growth strength of the Calamagrostis × acutiflora 'Overdam'?

Calamagrostis × acutiflora 'Overdam' is known for its relatively rapid growth, reaching its maximum height within a period of two to five years. This indicates that it is a species with a moderately swift growth rate, allowing it to establish its full height within a few years.

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