Rhododendron Rhododendron 'Catawbiense grandiflorum' shrub 60-80 pot C12

Size: Hoogtemaat leidend

60-80cm

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Pot 12 ltr. (C12)

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Temporarily sold out

Earn 4 Growth points

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Benefits according to our specialist

Plantable year-round
Evergreen
Easy plant

Plant features
Description
Planting and care
Packaging and shipping

Genus
Rhododendron (view all varieties)

Root type
Pot

Pot size
12 ltr. (C12)

Flowering months
April, May

Leaf colour
Purple, Pink

Possibilities
Border, Group planting, Planter, Pot, Solitary

Soil type
Acid soil

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
1

Evergreen plants
Yes

Leaf colour
Green

Fragrant plants
No

Growth habit
Bushy spreading growth habit

Height at time of delivery excluding pot/clod
60-80

Mature height (cm)
400

Art. no.
1001026

Description

Rhododendron 'Catawbiense grandiflorum' | Rhododendron

The Rhododendron 'Catawbiense Grandiflorum' is a magnificent evergreen shrub that is renowned for its vibrant and large spring blooms. This particular variety of Rhododendron showcases a lush display of purple and pink flowers, adding a splash of color to any garden. Its bushy spreading growth habit makes it an excellent choice for a variety of landscaping uses, including borders, group plantings, and as a standalone feature.

This hardy shrub has the added appeal of being evergreen, offering year-round greenery to your outdoor space. It can also thrive in pots and planters, allowing for versatility in placement and design.

Key Features

Rhododendron 'Catawbiense Grandiflorum' blooms profusely in April and May, with each blossom contributing to a stunning purple display.
The plant has a bushy growth form that can reach up to 4 meters in height, providing a substantial presence in the landscape.
While it does not bear fruit or emit fragrance, its foliage remains a vibrant green throughout all seasons, contributing to its visual appeal.
This Rhododendron variety is well-suited to acidic soils and thrives in locations that receive full sun to partial shade.
It is an evergreen species, ensuring that your garden retains its texture and color even in the winter months.

Tips

When planting the Rhododendron 'Catawbiense Grandiflorum', select an area with acidic soil to ensure optimal growth and flowering.
This plant requires an average amount of water, so be sure to establish a consistent watering schedule, especially during dry periods.
While generally low-maintenance, occasional removal of unsightly shoots will help maintain the aesthetic quality of the plant.
Propagating this Rhododendron can be achieved through semi-ripe cuttings, layering, or grafting, providing gardeners with multiple methods to expand their collection or share with fellow enthusiasts.

Ideal placement of a Rhododendron 'Catawbiense grandiflorum'

For optimal growth, Rhododendron 'Catawbiense grandiflorum' thrives in an area that receives sun to partial shade. It is essential for the soil to be acidic to accommodate the preferences of this species. While the plant requires average water, ensuring that the location does not become waterlogged is crucial for its health. A well-chosen spot will allow this evergreen shrub to develop its bushy spreading growth habit, reaching up to 4 meters in ultimate height and displaying its vibrant purple blooms in the spring and summer months.

How do I plant a Rhododendron 'Catawbiense grandiflorum'?

When planting Rhododendron 'Catawbiense Grandiflorum', it is essential to select an area with acidic soil to accommodate its growth requirements. The ideal planting location would provide sun to partial shade. Begin by digging a hole twice as wide as the pot and the same depth to ensure the roots can spread out without obstruction. Gently remove the shrub from the pot, being careful to keep the root ball intact, and place it in the hole. Backfill with the excavated soil, pressing down to eliminate air pockets. Water thoroughly after planting to settle the soil around the roots and maintain even moisture for the evergreen to establish itself successfully.

Pruning a Rhododendron 'Catawbiense grandiflorum'

Pruning of this species is minimal and generally not required for health or flowering. However, if shaping is desired or to remove any damaged or unsightly shoots, it should be done immediately after blooming to avoid disrupting next year's blooms. As an evergreen shrub, it retains foliage year-round, providing consistent visual interest. When pruning, it's important to use clean, sharp tools to make precise cuts that will heal quickly, thus maintaining the shrub's lush, green appearance throughout the seasons.

Watering a Rhododendron 'Catawbiense grandiflorum'

This species thrives when the soil is consistently moist but well-drained. Watering should be done deeply to saturate the root zone, promoting a healthy and robust root system. It is particularly important to maintain proper hydration as the buds are setting, typically after the blooming period. Mulching can help retain soil moisture and keep the roots cool. Over-watering can be just as detrimental as drought, so ensure that the soil is not waterlogged. During extended dry spells, additional watering may be necessary to maintain plant vigor.

Fertilising a Rhododendron 'Catawbiense grandiflorum'

To promote lush foliage and vibrant blooms, the Rhododendron 'Catawbiense grandiflorum' should be fertilized annually. The ideal time for fertilizing is early spring, just before the growing season commences. Utilize a fertilizer specifically formulated for acid-loving plants to ensure that the soil maintains the acidity that this species thrives in. A slow-release, granular fertilizer is preferred, as it steadily provides nutrients over time, supporting sustained growth.

Apply the fertilizer around the base of the plant, taking care not to let it come into direct contact with the stems or leaves to prevent burn. Water the area thoroughly after application to help disperse the nutrients into the soil. This feeding regimen will bolster the overall health and enhance the flowering potential of the shrub.

The characteristics of a Rhododendron 'Catawbiense grandiflorum'

The Rhododendron 'Catawbiense grandiflorum' thrives in acidic soil, so incorporating peat moss into the planting medium can be highly beneficial for its growth. This species prefers a mulch of pine needles or wood chips to maintain soil moisture and temperature. Interestingly, the plant's root system is relatively shallow, meaning careful attention should be given to avoid competition from weeds. Deep watering during dry spells will encourage a robust root development, ensuring a show of vibrant blooms each season.

What will be the height of Rhododendron 'Catawbiense grandiflorum'?

Rhododendron 'Catawbiense grandiflorum' has an ultimate height of 4 meters when fully mature.

Which soil type is most suitable for the Rhododendron 'Catawbiense grandiflorum'?

Rhododendron 'Catawbiense grandiflorum' thrives in acidic soil. The soil's acidity level is crucial for the proper growth and blooming of this particular plant variety. By maintaining the soil's acidity within the preferred range, the Rhododendron 'Catawbiense grandiflorum' can flourish and display its full beauty.

What is the ideal positioning for the Rhododendron 'Catawbiense grandiflorum'?

The most suitable location for Rhododendron 'Catawbiense grandiflorum' is an area where it can be exposed to both sunlight and partial shade. This plant would thrive in an environment where it can receive direct sunlight for a portion of the day, while also benefiting from some shade during other parts of the day.

What is the flowering colour of the Rhododendron 'Catawbiense grandiflorum'?

The blossoms of Rhododendron 'Catawbiense grandiflorum' display a lovely range of purple and pink hues, adding a delightful pop of color to this exquisite plant.

Is the Rhododendron 'Catawbiense grandiflorum' hardy?

Yes, Rhododendron 'Catawbiense grandiflorum' is considered to be winter hardy. It can endure temperatures as low as -23.3°C to -20.1°C, falling within the USDA zone 6a. This level of hardiness allows the Rhododendron 'Catawbiense grandiflorum' to thrive and withstand the winter conditions in various regions.

Is the Rhododendron 'Catawbiense grandiflorum' evergreen?

Rhododendron 'Catawbiense grandiflorum' is indeed evergreen, meaning it retains its leaves throughout the year, providing an enduring green presence in your garden or landscape.

What is the growth strength of the Rhododendron 'Catawbiense grandiflorum'?

Rhododendron 'Catawbiense grandiflorum' is known for its moderate growth, taking approximately 5 to 10 years to reach its full height. This indicates a steady and deliberate development process, allowing the plant to establish itself and flourish over time.

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