Narrow-leaved inula Inula ensifolia 5-10 pot P9

Size: Potmaat leidend

5-10cm

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Pot 9x9 cm (P9)

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Available from: 03/02/2025

Number of m2

Nr. of plants

3.00

3.00 per piece

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

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Nr. of plants

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2+ £3.35

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12+ -6.0% £3.15

24+ -7.5% £3.10

96+ -10.4% £3.00

Benefits according to our specialist

Plantable year-round
Low maintenance
Easy plant

Plant features
Description
Planting and care
Packaging and shipping

Genus
Inula (view all varieties)

Root type
Pot

Pot size
9x9 cm (P9)

Flowering months
July, August, September

Leaf colour
Yellow

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
Bushy spreading growth habit

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

Mature height (cm)
30

Art. no.
1000657

Description

Inula ensifolia | Narrow-leaved inula

The Inula ensifolia, commonly known as the narrow-leaved Inula, is a charming perennial that graces gardens with its bright yellow flowers from July through September. This delightful species, originating from Europe and Southwestern Asia, is perfect for creating a splash of color in borders, group plantings, or as edging.

The narrow-leaved Inula is appreciated for its bushy spreading growth, which provides a natural and relaxed look to the garden setting.

Key Features

The Inula is a deciduous plant, which means that it sheds its leaves annually but compensates with a vibrant display of green foliage each spring.
It thrives in a variety of well-drained soils and can tolerate both sunny and partially shaded locations.
The plant's water requirements are specific; it prefers to have its roots submerged, indicating a need for consistent moisture.
While Inula ensifolia does not bear fruit or emit fragrance, its yellow flowers add a bright, cheerful element to any garden during the summer and autumn months.
The species has a relatively compact growth, reaching an ultimate height of 30 cm, which makes it an ideal choice for smaller spaces or the front of a garden border.

Tips

When planting Inula ensifolia, ensure it has enough space to spread, as it has a bushy growth habit. This will allow the plant to flourish and fill out your garden space effectively.
Regular watering is crucial for maintaining the health and vibrancy of the plant, particularly during dry spells, as it is not drought-resistant.
Propagation through division not only revitalizes the plant but also helps control its spread. This should be done in spring or autumn for best results.

Ideal placement of a Inula ensifolia

For optimal growth, Inula ensifolia thrives in locations with full sun to partial shade. These conditions ensure the most vigorous and floriferous display throughout its blooming months. While this species is adaptable to various soil types, well-drained soil is essential to accommodate its water requirements, which include regular submergence to maintain consistent moisture levels. The plant's bushy spreading growth habit reaches an ultimate height of approximately 30 cm, making it suitable for border fronts, group plantings, and edges where its bright yellow flowers can create an eye-catching display from summer to autumn.

How do I plant a Inula ensifolia?

To ensure successful establishment, Inula ensifolia should be planted in a location that receives full sun to partial shade. Begin by preparing a hole that is wide and deep enough to accommodate the root system comfortably. Utilize well-drained soil to fill the hole, as this species thrives in such conditions. Upon planting, water the specimen thoroughly to settle the soil around the roots, taking care to submerge the pot's contents to provide adequate moisture. Regular watering is recommended until the plant is well-established, especially during dry periods, as it does not exhibit drought resistance.

Pruning a Inula ensifolia

To maintain the health and shape of Inula ensifolia, it benefits from pruning, which should be carried out promptly after the flowers have faded. Deadhead spent blooms to prevent self-seeding and encourage a second flush of flowers. In late autumn or early winter, once the foliage has died back, cut the stems down to ground level. This practice helps in promoting vigorous spring growth, ensuring this species returns with robust foliage and vivid yellow blossoms each summer.

Watering a Inula ensifolia

The Inula ensifolia thrives when its watering schedule is consistent with its natural requirement to be submerged. This species is not drought-resistant, emphasizing the need for regular moisture, particularly during the growing season. If planted in pots, ensure the potting medium is kept evenly moist. In periods of dry weather, it may be necessary to water the plant more frequently to maintain the proper moisture level. Care should be taken to avoid waterlogging, however, as well-drained soil is ideal to prevent potential issues with the root system.

Fertilising a Inula ensifolia

To maintain a healthy growth and vibrant yellow blooms, it is advisable to fertilize Inula ensifolia once at the onset of the growing season. A balanced, all-purpose fertilizer applied in early spring will provide the necessary nutrients as the plant emerges from dormancy and prepares for the flowering months. Ensure the fertilizer is well-integrated into the soil to avoid runoff, especially since this species thrives in well-drained conditions.

Given that this plant's water requirements necessitate submerging, it's crucial to ensure that the fertilizer is not washed away during watering. A slow-release formula is beneficial in this case, allowing a gradual supply of nutrients that coincides with the plant's natural growth cycle and its need for consistent moisture. This bushy perennial will respond with robust foliage and a profusion of blooms throughout its flowering period.

The characteristics of a Inula ensifolia

Inula ensifolia is a robust addition to any perennial border, boasting vibrant yellow blooms that bring a splash of sunshine from mid to late summer. The species thrives in full sun, but it's also amenable to partial shade, where its flowers add a gentle luminosity. This plant's narrow, sword-like foliage provides an elegant vertical contrast to the more common rounded plant forms in a garden, making it an excellent choice for adding textural variety.

Separating/dividing a Inula ensifolia

To sustain the vitality and enhance the growth of Inula ensifolia, division is a recommended practice. Carefully uplift the entire plant from the soil, ensuring to keep the root structures intact. Once removed, separate the plant into smaller sections, each with a portion of the root system. Replant these divisions promptly, either in spring or autumn, to allow roots to establish before the extremes of summer heat or winter cold. By dividing and replanting, gardeners can enjoy the bushy, spreading habit and vibrant yellow blooms of this species across a wider area in their garden settings.

What will be the height of Inula ensifolia?

Inula ensifolia typically reaches a height ranging from 50 centimeters to 1 meter when fully mature.

What will be the width of Inula ensifolia?

Inula ensifolia will typically reach a width of 50 centimeters to 1 meter when fully grown.

Which soil type is most suitable for the Inula ensifolia?

Inula ensifolia can thrive in various soil types, as long as the soil is well-drained. This ensures that the plant's roots are not waterlogged, promoting healthy growth and development.

What is the ideal positioning for the Inula ensifolia?

Inula ensifolia thrives in locations with both direct sunlight and partial shade. This plant is adaptable to varying light conditions, making it suitable for areas where it can receive ample sunlight as well as spots with partial shade.

What is the flowering colour of the Inula ensifolia?

The blossoms of Inula ensifolia showcase a vibrant yellow hue, adding a delightful splash of colour to the plant.

Is the Inula ensifolia hardy?

Yes, Inula ensifolia is considered winter hardy. It can endure temperatures as low as -23.3°C to -20.1°C, placing it within the USDA's hardiness zone 6a. Consequently, Inula ensifolia is well-equipped to withstand the winter climate of various regions, provided it is planted in suitable conditions.

Is the Inula ensifolia evergreen?

Inula ensifolia is not an evergreen plant. This means that it sheds its leaves at a certain time of the year, typically during the autumn season, and regrows them in the spring.

What is the growth strength of the Inula ensifolia?

Inula ensifolia reaches its mature height within a span of two to five years, showcasing a moderate growth rate that allows it to establish its full stature within a reasonable timeframe.

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