Rose of Sharon Hibiscus syriacus 'Oiseau Bleu' shrub 30-40 pot C3

Size: Hoogtemaat leidend

30-40cm

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Pot 3 ltr. (C3)

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Temporarily sold out
- 60-80cm
  
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  Pot 12 ltr. (C12)
  
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  From 44.20
  
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- 80-100cm
  
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  Pot 12 ltr. (C12)
  
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  From 47.40
  
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- 30-40cm
  
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  Pot 3 ltr. (C3)
  
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  From 15.10
  
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  Temporarily sold out

Earn 1 Growth points

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2+ £16.75

6+ -2.4% £16.35

12+ -5.1% £15.90

24+ -7.5% £15.50

96+ -9.9% £15.10

Benefits according to our specialist

Plantable year-round
Rich flowering
Low maintenance

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

Genus
Hibiscus (view all varieties)

Root type
Pot

Pot size
3 ltr. (C3)

Flowering months
July, August, September

Leaf colour
Blue, Purple, Pink

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
Yes

Water needs
Average water

Number of plants per m²
1

Evergreen plants
No

Leaf colour
Green

Fragrant plants
No

Growth habit
Upright growth habit

Height at time of delivery excluding pot/clod
30-40

Mature height (cm)
200

Art. no.
1000586

Description

Hibiscus syriacus 'Oiseau Bleu' | Rose of Sharon

Immerse yourself in the vivid allure of Hibiscus syriacus 'Oiseau Bleu', commonly known as the rose of Sharon. This charming deciduous shrub is a garden favorite, offering a cascade of blooms from mid-summer to early autumn. Its flowers, in hues of blue and purple, provide a stunning visual contrast against the lush green foliage, making it a standout in any landscape.

Key Features

Decorative Flowers: The 'Oiseau Bleu' is celebrated for its large, trumpet-shaped flowers that come in a mesmerizing palette of blue and purple, a rarity among Hibiscus varieties.
Versatility in Use: Whether showcased as a solitary focal point, grouped in a flowering border, or as part of a hedgerow, this plant offers flexibility in garden design.
Low Maintenance: This variety of rose of Sharon requires minimal pruning, thriving with an upright growth habit that naturally maintains its shape.
Adaptable: Able to flourish in all well-drained soil types and tolerant of both sun and partial shade, the 'Oiseau Bleu' is a resilient addition to any garden.
Growth and Size: With a potential height of 2 meters, it makes an impactful statement without overwhelming the garden space.

Tips

Planting Position: For optimal flowering, plant your Hibiscus syriacus 'Oiseau Bleu' in a location where it will receive plenty of sunlight throughout the day.
Water Requirements: While drought resistance is not a trait of this shrub, it has average water needs. Regular watering during dry periods will keep it thriving.
Propagation: Propagating through semi-ripe cuttings can be a rewarding way to expand your garden or share with fellow enthusiasts. Take cuttings in the late summer for the best results.
Pruning: If necessary, any pruning should be carried out in late winter or early spring to maintain the desired shape and encourage healthy growth.

Cultivate the Hibiscus syriacus 'Oiseau Bleu' in your garden and enjoy the enchanting display of summer and autumn blooms that this exquisite shrub has to offer.

Ideal placement of a Hibiscus syriacus 'Oiseau Bleu'

For optimal growth and flowering, Hibiscus syriacus 'Oiseau Bleu' should be situated in a location that receives full sun to partial shade. An area that offers morning sunlight with some afternoon shade would be particularly ideal to protect the blooms from the intense heat of the day. While adaptable to various soil types, ensuring the soil is well-drained is paramount to prevent waterlogging, which the plant does not tolerate well. With its upright growth habit, this variety makes a striking statement when used as a solitary showcase or within a border alongside other plants.

How do I plant a Hibiscus syriacus 'Oiseau Bleu'?

To ensure a successful start for Hibiscus syriacus 'Oiseau Bleu', select a location that receives full sun to partial shade. Although adaptable to various soil types, ensure that the soil is well-drained to prevent waterlogging. Planting can be done throughout the growing season as long as the shrub is potted. When planting, excavate a hole that is twice as wide as the pot and of equal depth. Gently remove the shrub from its container, loosening the roots if necessary, and place it in the hole. Backfill with soil, water thoroughly, and establish a regular watering routine, especially during dry periods, to support the shrub's growth and flower development.

Pruning a Hibiscus syriacus 'Oiseau Bleu'

Pruning of Hibiscus syriacus 'Oiseau Bleu' is quite minimal, making it an ideal shrub for those seeking low maintenance in their garden. It is recommended to remove only the dead wood and any overly crowded branches to encourage better air circulation and light penetration. This can be done in late winter or early spring before new growth begins. Additionally, if a more formal shape is desired or the shrub is becoming too large, it can be lightly shaped or reduced in size at this time.

Watering a Hibiscus syriacus 'Oiseau Bleu'

Ensuring adequate moisture is pivotal for Hibiscus syriacus 'Oiseau Bleu', which thrives with an average water supply. Particularly during the flowering months of July through September, consistent watering supports the shrub's production of its distinctive blue, purple, and pink blossoms. While the species is not drought-resistant, it is important to avoid waterlogging by allowing the well-drained soil to dry slightly between waterings. This balance promotes healthy growth without compromising the root system. In periods of extreme heat or drought, increase watering frequency to maintain the shrub's vitality.

Fertilising a Hibiscus syriacus 'Oiseau Bleu'

For optimal blooming and growth, Hibiscus syriacus 'Oiseau Bleu' benefits from a regular fertilizing schedule. Begin feeding in early spring, as new growth appears, using a slow-release fertilizer formulated for flowering shrubs. This initial application will support the shrub's needs throughout the vigorous growth period leading into summer.

A second application of fertilizer should be made in midsummer to sustain the plant's energy as it enters its peak flowering months from July to September. When applying fertilizer, ensure it is evenly distributed around the base of the shrub, avoiding direct contact with the stems and foliage to prevent burn.

Watering the shrub after fertilizing helps to integrate the nutrients into the soil, promoting their uptake by the root system. Adhering to this fertilizing regimen will contribute to the vibrant display of blue, purple, and pink blooms characteristic of this species.

The characteristics of a Hibiscus syriacus 'Oiseau Bleu'

An often overlooked characteristic of Hibiscus syriacus 'Oiseau Bleu' is its adaptability to various soil types, although it thrives best in well-draining loamy soils. Its robust root system, developed within a pot, allows for a smoother transition when planting in the garden. This species exhibits remarkable heat tolerance, making it an excellent choice for warmer climates where other plants might falter. Additionally, the late summer bloom of this plant provides a splash of color when many other plants have completed their flowering cycle.

What will be the height of Hibiscus syriacus 'Oiseau Bleu'?

Hibiscus syriacus 'Oiseau Bleu' will typically reach a height of 2 meters at full maturity.

Which soil type is most suitable for the Hibiscus syriacus 'Oiseau Bleu'?

Hibiscus syriacus 'Oiseau Bleu' can thrive in a variety of soil types, but it requires well-drained soil to ensure optimal growth conditions. This allows excess water to drain away efficiently, promoting the health and vigor of the plant.

What is the ideal positioning for the Hibiscus syriacus 'Oiseau Bleu'?

The optimal location for Hibiscus syriacus 'Oiseau Bleu' is one that provides exposure to both sunlight and partial shade. This plant thrives when placed in an area where it can receive direct sunlight as well as partial shade throughout the day.

What is the flowering colour of the Hibiscus syriacus 'Oiseau Bleu'?

The blossoms of Hibiscus syriacus 'Oiseau Bleu' display a delightful array of blue, purple, and pink hues during the flowering season.

Is the Hibiscus syriacus 'Oiseau Bleu' hardy?

Yes, Hibiscus syriacus 'Oiseau Bleu' is considered winter hardy, with the ability to tolerate temperatures ranging from -15.0°C to -9.4°C. This places it within the USDA hardiness zones 7b to 8a. As a result, this particular variety of Hibiscus syriacus is well-suited to endure the winter months in regions falling within these hardiness zones.

Is the Hibiscus syriacus 'Oiseau Bleu' evergreen?

Hibiscus syriacus 'Oiseau Bleu' is not an evergreen plant. It is deciduous, shedding its leaves in the autumn and producing new foliage in the spring.

What is the growth strength of the Hibiscus syriacus 'Oiseau Bleu'?

Hibiscus syriacus 'Oiseau Bleu' has a prolonged growth period, typically taking between 10 and 20 years to reach its ultimate height. This suggests that the plant develops steadily over time, gradually reaching its full stature.

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