Witch hazel Hamamelis × intermedia 'Arnold Promise' pot

Size: Hoogtemaat leidend

40-50cm

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Pot 2 ltr. (C2)

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Benefits according to our specialist

Rich flowering
Low maintenance
Early flowering

Plant features
Description
Planting and care
Packaging and shipping

Genus
Hamamelis (view all varieties)

Root type
Pot

Pot size
2 ltr. (C2)

Flowering months
January, February, March

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
1

Evergreen plants
No

Leaf colour
Green

Fragrant plants
Yes

Growth habit
Upright to bushy growth habit

Height at time of delivery excluding pot/clod
40-50

Mature height (cm)
350

Art. no.
1000544

Description

Hamamelis × intermedia 'Arnold Promise' | Witch hazel

The Hamamelis × intermedia 'Arnold Promise' is a captivating witch hazel hybrid known for its vibrant and fragrant yellow flowers, which cheerfully announce the arrival of spring. This particular cultivar, 'Arnold Promise', is renowned for its reliability and profuse flowering, even during the late winter months. An exquisite choice for bringing early color and fragrance to your garden, this deciduous shrub can serve as a stunning solitary specimen or as part of a border or group planting.

Key Features

Notable for its fragrant yellow flowers that bloom from January through March, the Hamamelis 'Arnold Promise' provides a burst of cheer during the dull winter days.
It features an upright to bushy growth habit, allowing it to reach an impressive height of approximately 3.5 meters.
In the autumn, the foliage of 'Arnold Promise' witch hazel transforms into a beautiful display of red and yellow, adding another season of interest to the garden.
This witch hazel cultivar is not evergreen, meaning it will shed its leaves annually, but its strong winter presence more than compensates for this.
The plant is adaptable to all soil types as long as they are well-drained and it enjoys both sun and partial shade.

Tips

Although 'Arnold Promise' is tolerant of various soil conditions, it is important to ensure that the soil is well-drained to maintain the plant's health.
Regular watering is necessary for the witch hazel, especially during dry spells. However, be cautious not to overwater as this species does not have high drought tolerance.
Pruning should be carried out sparingly, as this plant blooms on the previous year's growth. Thus, any necessary pruning should be done immediately after flowering to preserve the next year's blossoms.
Propagation of 'Arnold Promise' is best achieved through grafting to ensure the strength and weather resistance of the rootstock supports the desirable traits of this cultivar.
To maximize the flowering potential and overall vitality of the plant, consider a location that receives full sun to partial shade. This will encourage a more prolific bloom and robust growth.

Ideal placement of a Hamamelis × intermedia 'Arnold Promise'

Hamamelis × intermedia 'Arnold Promise' thrives in a location that offers full sun to partial shade, which is crucial for its vibrant yellow blooms to flourish. The plant's preference for well-drained soil allows it to adapt to various soil types, provided they are kept fertile and moist. An ideal spot would also protect it from harsh winds, enabling its fragrant flowers to emit their scent and its foliage to transition through its striking green to red and yellow autumnal display. Adequate spacing should be considered to accommodate its upright to bushy growth, reaching up to 3.5 meters at maturity.

How do I plant a Hamamelis × intermedia 'Arnold Promise'?

When planting Hamamelis × intermedia 'Arnold Promise', choose a location that offers full sun to partial shade to support its vibrant flowering habit. The soil should be well-drained, as this species thrives in a variety of soil types but does not tolerate waterlogged conditions. Planting can be done throughout the year, avoiding periods of frost to protect the root system. Carefully remove the shrub from the pot, ensuring not to disturb the root ball, and place it in a hole that is twice as wide and the same depth as the pot. Backfill with soil, water thoroughly to settle the roots, and mulch to retain moisture.

Pruning a Hamamelis × intermedia 'Arnold Promise'

Prune the Hamamelis × intermedia 'Arnold Promise' sparingly to maintain its naturally elegant form. The best time for pruning is immediately after the flowering period, which concludes in late spring. Remove any dead or crossed branches to encourage healthy growth and air circulation within the canopy. As this cultivar produces flowers on previous year's wood, avoid heavy pruning that may inadvertently reduce the next season's blooms. Focus on shaping the shrub for aesthetic purposes and to preserve its bushy, upright growth habit.

Watering a Hamamelis × intermedia 'Arnold Promise'

To ensure the health and vitality of Hamamelis intermedia 'Arnold Promise', consistent moisture throughout the growing season is critical. While it has an average water need, a balanced approach to irrigation will support its flowering and growth. During periods of drought or extended dry weather, it is particularly important to supplement natural rainfall with additional watering. This will help maintain the lush green foliage in the spring and summer, and the vibrant red and yellow leaves in the autumn. The goal is to keep the soil evenly moist, but well-drained, avoiding waterlogged conditions.

Fertilising a Hamamelis × intermedia 'Arnold Promise'

To ensure that Hamamelis × intermedia 'Arnold Promise' thrives and displays its vivid yellow blossoms to full effect, appropriate fertilization is required. It is recommended to fertilize this shrub once in early spring and again in mid-summer to support its growth cycle and rich foliage that later turns a spectacular red and yellow in the autumn.

Apply a balanced, slow-release fertilizer formulated for shrubs and trees to the soil around the base of the plant. This type of fertilizer promotes steady growth and flowering without the risk of over-feeding, which can be detrimental. As the shrub prefers well-drained soils, ensure that the fertilizer is well-integrated into the soil and watered in, to aid in nutrient absorption and prevent root burn. Regular fertilization will contribute to the robust health and longevity of the plant.

The characteristics of a Hamamelis × intermedia 'Arnold Promise'

The Hamamelis × intermedia 'Arnold Promise' is renowned for its vibrant yellow blooms which appear in late winter to early spring, providing a cheerful splash of color when most other plants are dormant. This variety is exceptionally hardy and adapts well to a range of soil conditions, though it thrives best in well-drained soils. Its fragrant flowers are not only visually appealing but can also add a pleasant aroma to your garden space during the cooler months.

What will be the height of Hamamelis × intermedia 'Arnold Promise'?

Hamamelis × intermedia 'Arnold Promise' typically grows to a height of 3.5 meters when fully mature.

Which soil type is most suitable for the Hamamelis × intermedia 'Arnold Promise'?

For Hamamelis × intermedia 'Arnold Promise', it is best to provide well-drained soil of any type. Ensuring proper drainage will contribute to the plant's overall health and vigor.

What is the ideal positioning for the Hamamelis × intermedia 'Arnold Promise'?

The ideal location for Hamamelis × intermedia 'Arnold Promise' is a place where it can receive ample sunlight as well as partial shade. This plant thrives best in an environment where it can benefit from direct sunlight while also being partially shaded, such as under the dappled light of taller trees or structures.

What is the flowering colour of the Hamamelis × intermedia 'Arnold Promise'?

The blossoms of Hamamelis × intermedia 'Arnold Promise' exhibit a lovely yellow hue, adding a vibrant touch to the plant during its flowering period.

Is the Hamamelis × intermedia 'Arnold Promise' hardy?

Certainly, Hamamelis × intermedia 'Arnold Promise' is considered winter hardy. It is capable of withstanding temperatures as low as -15.0°C to -9.4°C, falling within the USDA hardiness zones 7b/8a. This indicates that the 'Arnold Promise' variety is well adapted to endure the winter conditions within these designated hardiness zones.

Is the Hamamelis × intermedia 'Arnold Promise' evergreen?

Hamamelis × intermedia 'Arnold Promise' is not an evergreen plant. It is deciduous, shedding its leaves in the autumn and regrowing them in the spring.

What is the growth strength of the Hamamelis × intermedia 'Arnold Promise'?

Hamamelis × intermedia 'Arnold Promise' is known for its gradual growth, typically taking between 10 and 20 years to reach its ultimate height. This slow and steady growth pattern allows for the tree to develop and mature over an extended period.

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