Stemless carline thistle Carlina acaulis subsp. simplex 5-10 pot P9

Size: Potmaat leidend

5-10cm

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Pot 9x9 cm (P9)

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Benefits according to our specialist

Plantable year-round
Low maintenance
Decorative foliage

Plant features
Description
Planting and care
Packaging and shipping

Genus
Carlina (view all varieties)

Root type
Pot

Pot size
9x9 cm (P9)

Flowering months
July, August, September

Leaf colour
White

Possibilities
Border, Group planting, Edge planting

Soil type
All soil types, well-drained

Positioning
Semi-shade, Sun

Winter hardiness
-23,3°C / -20,6°C, USDA zone 6a

Fruit-bearing plants
No

Water needs
Average water

Number of plants per m²
9

Evergreen plants
No

Leaf colour
Green

Fragrant plants
No

Growth habit
Upright to bushy growth habit

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

Mature height (cm)
25

Art. no.
1000217

Description

Carlina acaulis subsp. simplex | Stemless carline thistle

The Carlina acaulis subsp. simplex, commonly known as the stemless carline thistle, is a captivating addition to any garden, offering a unique aesthetic with its upright to bushy growth and remarkable summer bloom. This intriguing plant is a striking choice for borders, group plantings, or edge plantings, providing structure and interest to the garden landscape.

The stemless carline thistle is a low-growing, semi-evergreen plant that thrives in well-drained soils and is perfect for gardeners seeking a low-maintenance yet visually appealing species.

Key features

The Carlina species is adorned with several key features that make it a valuable plant for garden enthusiasts:

It blooms profusely in the summer months of July, August, and September, showcasing its distinctive flower colors which transition from white to shades of brown, grey, and silver.
The stemless carline thistle requires average water needs and can adapt to various soil types, provided they are well-drained.
It is best placed in sunny locations or partial shade to maximize its growth potential.
The plant's foliage remains green throughout the seasons, contributing to the garden's color palette even when it is not in bloom.
Carlina acaulis subsp. simplex reaches an ultimate height of approximately 25 cm, making it an ideal choice for lower layers in garden design.
This species does not require pruning, thus reducing garden maintenance efforts.

Tips

To ensure the health and longevity of your Carlina acaulis subsp. simplex, it is recommended to plant it in a location that receives plenty of sunlight.
Although this species is tolerant of various soil types, it is crucial to plant it in a location with good drainage to prevent waterlogging.
While the plant is not drought-resistant, it does not require excessive watering. Water it regularly, but allow the soil to dry out somewhat between watering sessions.
Propagation can be achieved through the sowing of seeds, which is best done during the cooler months to give the seedlings a robust start.

Ideal placement of a Carlina acaulis subsp. simplex

For optimal growth, Carlina acaulis subsp. simplex should be situated in a sunny location, although it can also tolerate partial shade. This species flourishes best in well-drained soils and is quite adaptable to various soil conditions, provided they allow for proper drainage. The plant's preference for sunnier spots makes it an excellent choice for border or edge plantings where it can receive ample light. To ensure the plant maintains its health and upright to bushy growth habit, it is crucial to avoid waterlogged conditions which can be detrimental to its development.

How do I plant a Carlina acaulis subsp. simplex?

To ensure optimal growth, Carlina acaulis subsp. simplex should be planted in a location that benefits from full sun to partial shade, allowing its upright to bushy growth habit to thrive. The species is adaptable to a range of soil types, but it is crucial that the soil is well-drained to prevent root rot. After planting, regular watering will help establish the plant, but once settled, the stemless carline thistle's average water needs will make maintenance straightforward. With a modest ultimate height of 25 cm, this plant is an excellent choice for borders, group, or edge plantings.

Pruning a Carlina acaulis subsp. simplex

Pruning is a task that gardeners will find delightfully minimal when it comes to caring for Carlina acaulis subsp. simplex. This particular species is quite self-sufficient, requiring no regular pruning to maintain its appealing upright to bushy growth habit. The plant naturally achieves and retains a manageable height of 25 cm, thus allowing it to present its striking flowers without the need for intervention. On the rare occasion that a spent flower is still clinging on, it may be gently removed to encourage new growth.

Watering a Carlina acaulis subsp. simplex

For Carlina acaulis simplex, providing consistent moisture is key, particularly during its blooming season from July through September. Despite its average water needs, this species does not appreciate oversaturation or prolonged wetness. It's important to ensure the soil is well-drained to prevent water from pooling around the root system. Watering should be thorough, allowing the soil to dry slightly between applications. In its pot, the soil may dry out faster, so it's crucial to check moisture levels regularly and water as needed to maintain optimal growth and vibrant blooms.

Fertilising a Carlina acaulis subsp. simplex

To ensure that Carlina acaulis subsp. simplex thrives and displays its distinctive white blooms from July through September, it is beneficial to provide the plant with nutrients at the onset of the growing season. Fertilization should be done sparingly, as this species is adapted to thrive in a range of soil types provided they are well-drained. A balanced, slow-release fertilizer applied once in the early spring will suffice to support its growth and flowering. Over-fertilization should be avoided to prevent excessive vegetative growth at the expense of flower production. It is also important to ensure that the fertilizer is evenly distributed around the plants but not applied directly onto the foliage or the crown to prevent potential damage to the plant.

The characteristics of a Carlina acaulis subsp. simplex

Carlina acaulis subsp. simplex is a distinctive specimen known for its resilience and ability to thrive in poor soils, making it an excellent choice for rockeries and xeriscaping. Its deep taproot system allows it to withstand periods of drought by accessing moisture from deeper soil layers. The silver-gilt flowers add a unique metallic sheen to the garden, especially when they catch the sunlight, creating a brilliant display that lasts from midsummer into autumn.

What will be the height of Carlina acaulis subsp. simplex?

Carlina acaulis subsp. simplex typically attains a maximum height of 10 centimeters.

What will be the width of Carlina acaulis subsp. simplex?

Carlina acaulis subsp. simplex can achieve a final width ranging between 10 centimeters and 50 centimeters, depending on the specific growing conditions.

Which soil type is most suitable for the Carlina acaulis subsp. simplex?

Carlina acaulis subsp. simplex can adapt to various soil types, but it flourishes best in well-drained soil. Ensuring proper drainage is essential for the optimal growth of this plant.

What is the ideal positioning for the Carlina acaulis subsp. simplex?

The optimal location for Carlina acaulis subsp. simplex would be an area that receives plenty of sunlight, as well as a spot with partial shade. This plant thrives when placed in a location where it can benefit from both direct sunlight and some protection from the intensity of the sun.

What is the flowering colour of the Carlina acaulis subsp. simplex?

The flowers of Carlina acaulis subsp. simplex bloom in a lovely white hue. This delicate colour adds to the plant's natural beauty and appeal.

Is the Carlina acaulis subsp. simplex hardy?

Carlina acaulis subsp. simplex is considered winter hardy. It can tolerate temperatures as low as -23.3°C to -20.1°C, which places it within USDA hardiness zone 6a. This indicates that the plant is well-equipped to endure winter conditions in areas that fall within this hardiness zone.

Is the Carlina acaulis subsp. simplex evergreen?

Carlina acaulis subsp. simplex is not an evergreen plant. It sheds its leaves during certain times of the year and regenerates them in the following season.

What is the growth strength of the Carlina acaulis subsp. simplex?

Carlina acaulis subsp. simplex is known for its rapid growth, typically reaching its ultimate height within a period of one to two years. This signifies that it is an assertive and fast-developing plant species that achieves its full stature within a relatively short time frame.

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