Thalictrum flavum subsp. glaucum

Glaucous-leaved yellow meadow rue / 5-10cm

In stock up to and including 22/12/2024

Size: Potmaat leidend

5-10cm

|

Pot 9x9 cm (P9)

|

In stock up to and including 22/12/2024

Number of m2

Nr. of plants

3.55

3.55 per piece

incl. VAT, excl. shipping costs (calculated in shopping cart)

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Thalictrum flavum subsp. glaucum Can be planted now
Careful and fast delivery throughout the United Kingdom

Benefits according to our specialist

Plantable year-round
Low maintenance
Easy plant

Plant features
Description
Planting and care
Packaging and shipping

Genus
Thalictrum (view all varieties)

Root type
Pot

Pot size
9x9 cm (P9)

Flowering months
June, July

Leaf colour
Yellow

Possibilities
Border, Group planting, Solitary

Soil type
All soil types, well-drained

Positioning
Semi-shade, Sun

Winter hardiness
-15,0°C / -9,4°C, USDA zone 7b/8a

Fruit-bearing plants
No

Water needs
Average water

Number of plants per m²
9

Evergreen plants
No

Leaf colour
Blue, Green

Fragrant plants
Yes

Growth habit
Upright growth habit

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

Mature height (cm)
180

Art. no.
1001158

Description

Thalictrum flavum subsp. glaucum | Glaucous-leaved yellow meadow rue

The Thalictrum flavum subsp. glaucum, commonly known as the glaucous-leaved yellow meadow rue, is a perennial that brings a touch of wild elegance to any garden setting. With its distinctive cloud of tiny, star-like yellow flowers, it is an excellent choice for gardeners looking to add height and texture to their borders.

This species is characterized by its upright growth habit and its ability to thrive across a range of environments, from the sun-kissed landscapes of southwestern Europe to the more temperate climes of North Africa.

Key Features

Thalictrum is known for its fragrant, yellow blossoms which appear in profusion during the summer months.
This particular subspecies, the spherical-spiked meadow rue, reaches an impressive height of up to 1.8 meters, providing an airy, vertical dimension to plantings.
Its foliage is equally attractive, displaying hues of green, grey, and silver throughout the growing seasons, which enhance the visual appeal even when not in bloom.
As a deciduous perennial, it will shed its leaves in winter, but not before gracing the autumn landscape with its enduring colors.

Tips

To ensure the healthy growth of Thalictrum flavum subsp. glaucum, plant it in well-drained soil, which can range from clay to loam to sandy compositions.
While it can tolerate a range of light conditions, from full sun to partial shade, it is essential to provide it with average water, especially during dry spells.
Propagation can be achieved through sowing seeds or by division, the latter of which should be carried out in spring or autumn to promote robust growth and maintain plant vigor.
Regular division also helps prevent overcrowding and ensures that each plant has ample space to reach its full height and spread.

Ideal placement of a Thalictrum flavum subsp. glaucum

For optimal growth, Thalictrum flavum subsp. glaucum should be situated where it can bask in full sun to partial shade. While this species is adaptable to various soil types, it is imperative that the soil provides adequate drainage. The plant's need for average water suggests that the location should allow for consistent moisture without becoming waterlogged. Its elegant foliage, with hues of green, grey, and silver, coupled with fragrant yellow blooms in the summer, make it a striking choice for borders and group plantings, where it can reach its full stature of 1.8 meters in an upright growth form.

How do I plant a Thalictrum flavum subsp. glaucum?

For optimal establishment in your garden, Thalictrum flavum subsp. glaucum should be planted in a location that offers full sun to partial shade. The soil should be well-drained, yet this species is adaptable to various soil types. When planting, ensure there is ample space for this plant to reach its mature height of 1.8 meters and spread its upright growth habit. Planting is best done outside of frost conditions, and regular watering is necessary to support its establishment, particularly during dry periods. To promote robust growth, consider dividing established plants in the spring or autumn, which will also help maintain plant vigor.

Pruning a Thalictrum flavum subsp. glaucum

Pruning of Thalictrum flavum subsp. glaucum is generally minimal and straightforward. To promote vigorous growth and maintain a tidy appearance, it is advisable to cut back the spent flower stems after flowering. This also prevents the plant from investing energy into seed production. In late winter or early spring, remove any old foliage to make way for fresh growth. Since this species is not evergreen, the old leaves will not persist through the winter, making this cleanup process an annual task to encourage a robust display of foliage and flowers in the coming season.

Watering a Thalictrum flavum subsp. glaucum

To maintain the health and vigor of Thalictrum flavum subsp. glaucum, it is essential to meet its average water needs. Ensure that the soil remains consistently moist but well-drained, as overwatering can be just as detrimental as drought. During the growing season, particularly in the warmer months, monitor the soil moisture closely and water when the top layer begins to dry out. This species, while not drought-tolerant, is adept at utilizing the water provided efficiently. Watering should be reduced as the plant enters dormancy in the cooler months to match its decreased water requirement.

Fertilising a Thalictrum flavum subsp. glaucum

To ensure vigorous growth and optimal flowering, Thalictrum flavum subsp. glaucum requires proper nutrition through strategic fertilization. Commence feeding in early spring to coincide with the onset of new growth. A balanced, slow-release fertilizer is ideal, as it provides a steady supply of essential nutrients throughout the growing season. Apply the fertilizer according to the manufacturer's instructions, taking care to distribute it evenly around the base of the plant, but not against the stem to prevent any potential damage to the plant. A second application can be beneficial in midsummer to sustain the plant's needs during the peak of its flowering period. Regular fertilization not only enhances the ornamental qualities of the plant but also bolsters its overall health and vigor, allowing it to thrive in its setting.

The characteristics of a Thalictrum flavum subsp. glaucum

The Thalictrum flavum subsp. glaucum is a delight for those with a fondness for subtle elegance in their garden. Its delicate, airy foliage adds a layer of texture that is often overlooked, yet it provides a stunning backdrop for more vivid blooms. This species thrives in moist, well-drained soil, offering a hint of the wild meadow aesthetic to cultivated landscapes. Its tall, slender stems topped with tiny yellow flowers create a gentle, swaying movement, bringing a sense of calm and tranquility.

Separating/dividing a Thalictrum flavum subsp. glaucum

To maintain the health and vigor of Thalictrum flavum subsp. glaucum, division is recommended. This technique not only promotes new growth but also ensures the longevity of the plant. The ideal times for division are during the cooler months of spring or autumn. Carefully remove the plant from its location, ensuring the root system is intact. Then, gently separate the plant into several sections, each with a portion of the root system. Replant these divisions at the same depth they were originally growing, allowing ample space for them to develop. This method of propagation ensures a continuation of the species' characteristic blue-green foliage and fragrant yellow blooms.

What will be the height of Thalictrum flavum subsp. glaucum?

Thalictrum flavum subsp. glaucum typically grows to a height ranging from 1 to 1.5 meters.

What will be the width of Thalictrum flavum subsp. glaucum?

Thalictrum flavum subsp. glaucum attains a maximum width ranging from 10 centimeters to 50 centimeters.

Which soil type is most suitable for the Thalictrum flavum subsp. glaucum?

Thalictrum flavum subsp. glaucum is adaptable to various soil types, but it flourishes best in well-drained soil. This type of soil provides the necessary balance of moisture and aeration for the optimal growth of the plant.

What is the ideal positioning for the Thalictrum flavum subsp. glaucum?

Thalictrum flavum subsp. glaucum thrives in locations with exposure to both sunlight and partial shade. It is recommended to place this plant in an area where it can experience both direct sunlight and some shade throughout the day to support its healthy growth.

What is the flowering colour of the Thalictrum flavum subsp. glaucum?

The blossoms of Thalictrum flavum subsp. glaucum exhibit a delightful yellow hue. This vibrant colour adds a cheerful touch to the plant's appearance during the flowering season.

Is the Thalictrum flavum subsp. glaucum hardy?

Thalictrum flavum subsp. glaucum is indeed winter hardy, with the ability to endure temperatures as low as -23.3°C to -20.1°C. This plant is categorized within USDA hardiness zone 6a. Consequently, Thalictrum flavum subsp. glaucum is well-equipped to thrive in regions with moderately cold winter climates.

Is the Thalictrum flavum subsp. glaucum evergreen?

Thalictrum flavum subsp. glaucum is not an evergreen plant. It is deciduous, meaning it sheds its leaves annually and regrows them in the following season.

What is the growth strength of the Thalictrum flavum subsp. glaucum?

Thalictrum flavum subsp. glaucum demonstrates a relatively swift development, typically reaching its ultimate height within a period of two to five years. This suggests that it is a plant with a moderately rapid growth rate, achieving its full stature within a reasonably short timeframe.

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