Rhododendron Rhododendron 'Shamrock' shrub 15-20 pot C2

Size: Hoogtemaat leidend

15-20cm

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Pot 2 ltr. (C2)

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Temporarily sold out

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Benefits according to our specialist

Pot grown
Low maintenance
Evergreen

Plant features
Description
Planting and care
Packaging and shipping

Genus
Rhododendron (view all varieties)

Root type
Pot

Pot size
2 ltr. (C2)

Flowering months
April, May

Leaf colour
Yellow

Possibilities
Border, Group planting, Planter, Pot, Solitary

Soil type
Acid soil

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
3

Evergreen plants
Yes

Leaf colour
Green

Fragrant plants
No

Growth habit
Bushy spreading growth habit

Height at time of delivery excluding pot/clod
15-20

Mature height (cm)
50

Art. no.
1001034

Description

Rhododendron 'Shamrock' | Rhododendron

The Rhododendron 'Shamrock' is a delightful addition to any garden with its cheerful yellow blooms that grace the landscape in spring. As a compact and evergreen shrub, this Rhododendron variety is highly versatile, fitting perfectly into a border, group planting, or as a solitary feature. Additionally, it can thrive in a pot or planter, allowing it to adorn patios and balconies with its lush green foliage and vibrant flowers.

Key Features

The Rhododendron 'Shamrock' boasts a plethora of notable attributes that make it a prized plant for gardeners:

It flowers profusely in April and May, with each blossom presenting a radiant yellow hue that adds a splash of sunshine to your garden.
This species thrives in acidic soil and can tolerate both sun and partial shade locations.
Its evergreen nature ensures that the foliage remains a glossy green throughout all seasons, contributing to the garden's year-round appeal.
The 'Shamrock' has a bushy, spreading growth habit and reaches an ultimate height of 50 cm, making it an excellent choice for gardeners who prefer low-growing shrubs.
It is not fruit-bearing, ensuring that the focus remains on its ornamental value.
Though drought resistance is not a feature of this plant, it has average water needs, making it a manageable addition to your garden.

Tips

Ensure that the soil around your Rhododendron 'Shamrock' is kept acidic; you may need to periodically test the soil pH and amend it as necessary.
While the 'Shamrock' is low maintenance in terms of pruning, removing dead or damaged branches can help maintain its neat appearance and encourage healthy growth.
For those looking to propagate the 'Shamrock', various methods such as semi-ripe cuttings, layering or grafting can be employed to expand your collection or share with fellow garden enthusiasts.
Regular watering is essential, especially during the dryer periods, to keep the plant healthy and ensure it continues to produce its stunning yellow flowers each spring.

Ideal placement of a Rhododendron 'Shamrock'

For optimal growth, Rhododendron 'Shamrock' should be positioned where it can receive sun to partial shade. While this species can tolerate full sun, it truly flourishes when given some respite from the afternoon heat, especially in hotter climates. The ideal soil for this Rhododendron is acidic and well-aerated to ensure proper root health. The plant's location should be sheltered from strong winds, which can desiccate the foliage and compromise its lush green appearance. With its preference for consistent moisture, the site should also allow for effective water drainage to prevent any root issues.

How do I plant a Rhododendron 'Shamrock'?

Ensure the soil is well-prepared and has an acidic pH before planting, as this is crucial for the success of Rhododendron 'Shamrock'. The ideal planting time is from early spring to late autumn, avoiding periods of frost. Dig a hole twice as wide as the pot and at the same depth. Upon placing the shrub in the hole, backfill with a mix of acidic planting soil and the original soil. Water thoroughly to help settle the soil around the roots. This evergreen thrives when positioned in an area with sun or partial shade, and it requires consistent moisture for optimal growth.

Pruning a Rhododendron 'Shamrock'

Pruning of Rhododendron 'Shamrock' is minimal and straightforward, focusing primarily on maintaining its attractive bushy form. It's advised to only remove dead or damaged branches and to shape the plant if necessary. The best time for this light pruning is after the blooming period in late spring, which allows new growth to mature before the onset of winter. Regularly deadheading spent flowers can also promote healthier growth and enhance the shrub's appearance. Always use clean, sharp tools to make precise cuts.

Watering a Rhododendron 'Shamrock'

The Rhododendron 'Shamrock' thrives with consistent moisture, particularly during its active growth in spring and the warm summer months. An average water need means the soil should remain moist but not waterlogged. It's crucial to avoid letting the soil dry out completely, as this species does not tolerate drought conditions well. Mulching can help retain soil moisture and keep the roots cool. When watering, aim for the base to prevent water from settling on the leaves, which could lead to issues despite the plant's evergreen nature. Regular, deep watering promotes a robust root system, contributing to overall plant health and vigor.

Fertilising a Rhododendron 'Shamrock'

To maintain the vibrant health and striking yellow blooms of Rhododendron 'Shamrock', it's essential to provide the right fertilization. This evergreen shrub thrives in acidic soil, so choose a fertilizer formulated specifically for acid-loving plants. Apply a slow-release fertilizer in the early spring to support the growth spurt and flowering period. It's important to follow the manufacturer's instructions for the correct dosage to avoid over-fertilization, which can lead to poor plant health.

Additionally, a second feeding right after the blooming phase can help maintain the lush greenery of the foliage throughout the summer. When fertilizing, spread the granules evenly around the base of the shrub, avoiding direct contact with the stems and leaves, and water thoroughly to help the nutrients penetrate the soil. Proper fertilization will ensure that Rhododendron 'Shamrock' remains a robust and flourishing feature in any garden setting.

The characteristics of a Rhododendron 'Shamrock'

The Rhododendron 'Shamrock' is renowned for its compact growth habit, which makes it an excellent choice for smaller gardens or as part of a mixed border. Its root system, comfortably housed in a pot, allows for greater versatility in placement around outdoor spaces. The enchanting blooms emit a subtle fragrance, often overlooked, that adds a sensory layer to its visual appeal. Furthermore, this cultivar's ability to thrive in partial shade offers a delightful solution for brightening those less sunny spots.

What will be the height of Rhododendron 'Shamrock'?

Rhododendron 'Shamrock' typically grows to a height of 50 centimeters.

Which soil type is most suitable for the Rhododendron 'Shamrock'?

Rhododendron 'Shamrock' thrives best in acidic soil. The plant's optimal growth and health are closely tied to the acidity of the soil, making it essential to provide the appropriate pH level for its cultivation.

What is the ideal positioning for the Rhododendron 'Shamrock'?

The ideal location for Rhododendron 'Shamrock' is a place where it can receive ample sunlight as well as partial shade. This plant thrives in an environment where it alternates between direct sunlight and partial shade, allowing for optimal growth and flowering.

What is the flowering colour of the Rhododendron 'Shamrock'?

The blossoms of Rhododendron 'Shamrock' display a stunning yellow hue, adding a bright and cheerful touch to the plant's overall appearance.

Is the Rhododendron 'Shamrock' hardy?

Yes, Rhododendron 'Shamrock' is considered winter hardy. It can endure temperatures ranging from -20.6°C to -15.0°C, falling within the USDA hardiness zones 6b to 7a. This makes Rhododendron 'Shamrock' well-suited to withstand colder winter conditions, allowing it to thrive in appropriately temperate climates.

Is the Rhododendron 'Shamrock' evergreen?

Indeed, Rhododendron 'Shamrock' is an evergreen plant. This means that it maintains its foliage throughout the year, providing an enduring green presence in your garden or landscape.

What is the growth strength of the Rhododendron 'Shamrock'?

Rhododendron 'Shamrock' is known for its moderate growth, typically taking 5 to 10 years to reach its ultimate height. This signifies that the plant develops steadily over time, allowing for a gradual and graceful increase in stature.

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