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Rhododendron Gomer Waterer

Rhododendron Gomer Waterer
Rhododendron

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Well arrived and delivered to home as planned (which is rather exceptional). Vine-plants in good condition and well-balanced, replanted uphill in a mixture of turf and heather soil, generously watered.

Patrick, 10/05/2023

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This plant carries a 24 months recovery warranty

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A hybrid variety that blooms late in the spring. The pink floral buds fade as they open to reveal very romantic white-pink flowers. Its dark green evergreen foliage perfectly enhances this beautiful flowering. This bush, of medium size, should be planted in a cool, semi-shaded area with moist soil, preferably acidic or neutral, but not chalk.
Flower size
5 cm
Height at maturity
1.50 m
Spread at maturity
1.60 m
Exposure
Partial shade
Hardiness
Hardy down to -23°C
Soil moisture
Moist soil
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Best planting time March, October
Recommended planting time February to April, September to November
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Flowering time May to June
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Description

The Rhododendron 'Gomer Waterer' is an old variety, but still highly valued for its beautiful late spring flowering. The pink buds fade to pale pink flowers, with a truly romantic charm. This medium-sized evergreen bush has dark green leaves that contrast well with the flowers. This Rhododendron thrives in partially shaded areas with non-chalky and moist soil. 

Rhododendrons are plants from the Ericaceae family, which includes a hundred genera, such as popular heathers, blueberries, or strawberry trees. Others, less known, deserve to be planted more: Kalmias with their superb flowering, Enkianthus with delicate bell-shaped flowers, or Oxydendrum with flamboyant autumn colours. These plants mostly prefer soils with an acidic tendency, as well as humid and cool climates.
This 'Gomer Waterer' hybrid is a creation of the famous English breeder Anthony Waterer, in whose honour a spirea was named. This old variety, named in 1906, is a cross-breeding between 2 Rhododendron species: the R. catawbiense, native to the United States, and the R. griffithianum from the Himalayas. Combining the best of both worlds, it is not surprising that this hybrid obtained a trophy from the prestigious RHS (Royal Horticultural Society) in 1993, rewarding in particular its "excellent adaptability to appropriate growing conditions", as well as its stability in terms of shape, colour, and resistance to diseases and insects. This Rhododendron has a moderate growth, reaching about 1.80m (3.3ft) in height at maturity, with a width of 1.60m (3.3ft). Its medium-sized leaves (about 10cm (3.9in) long) are dark green, forming a pleasant contrast with the pale inflorescences which consist of pale pink flowers, arising from dark pink buds. Shaped like trumpets measuring from 4 to 8cm (3.1in) long, they are grouped in corymbs that bloom at the ends of the branches. In young plants, these large inflorescences almost hide the foliage, creating a superb mass effect in late spring (May-June). This Rhododendron has an additional quality, it remains dense and rounded, requiring no pruning.

The Rhododendron 'Gomer Waterer' is a flowering plant and perfectly hardy, down to approximately -20°C (-4°F). Although they prefer partial shade, hybrid Rhododendrons can tolerate morning sun as long as it is not scorching, and their base remains cool. This bush can be planted in isolation, next to large trees, or in a mass planting. Its romantic appearance, due to the old-fashioned charm of its flowers, goes well with clumps of Hostas with their decorative foliage, as well as heathers and Pieris with their delicate little bell-shaped flowers. A beautiful Japanese Maple 'Jordan' with yellow foliage in spring and multicoloured leaves in autumn will create a tasteful contrast with the dark vegetation of the Rhododendron. The Chinese Azalea 'Fragrant Star' with its delicately scented white flowers will look well in front of our Rhododendron 'Gomer Waterer', as well as Skimmias.

Rhododendron Gomer Waterer in pictures

Rhododendron Gomer Waterer (Flowering) Flowering

Plant habit

Height at maturity 1.50 m
Spread at maturity 1.60 m
Habit Irregular, bushy
Growth rate slow

Flowering

Flower colour pink
Flowering time May to June
Inflorescence Corymb
Flower size 5 cm
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Evergreen
Foliage colour dark green

Botanical data

Genus

Rhododendron

Cultivar

Gomer Waterer

Family

Ericaceae

Other common names

Rhododendron

Origin

Cultivar or hybrid

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Planting and care

Plant Rhododendron 'Gomer Waterer' in a semi-shaded position, protected from cold and drying winds. It needs fertile, humus-rich and light soil, with an acidic or neutral tendency. Like all ericaceous plants, it does not tolerate alkaline soils or heavy soils that are waterlogged in winter. If the soil remains moist in summer, this rhododendron can also tolerate exposure to morning sun. Avoid planting at its base, as its shallow roots do not tolerate competition from other plants, especially for water.

Dig a hole three times larger than the pot volume. Soak the root ball in non-lime water and plant the bush at the level of the collar, in a mixture composed of 1/4 organic matter, leaf compost, gravel or pumice, and loam. Water generously and keep the soil moist in summer. Azaleas and rhododendrons have a shallow root system. Therefore, they are sensitive to long periods of drought. That's why humus-rich soil and abundant watering during dry periods are recommended. In addition, this root system is not very strong, which is why it is essential to lighten heavy soils with well-draining materials (gravel, pumice, clay pellets) at planting. Apply a mulch of crushed pine bark at the base of the bush every spring to maintain soil moisture and acidic pH.

Maintenance consists of removing faded flowers and dead branches in summer. Azaleas and rhododendrons can sometimes be attacked by weevils that eat the edges of leaves and rootlets, as well as by the famous "rhododendron beetle," which does not often cause severe damage. Effective biological solutions are available today against weevils. Yellowing of the leaves (chlorosis) in rhododendrons indicates poor take-up of iron from the soil and can cause premature plant death. It is possible to take action by applying diluted iron chelate in the watering water. However, poorly drained soil or a planting hole that is too deep can also explain the phenomenon.

"Rhodos" thrive when planted in lime-free soil and in a humid environment. Their cultivation in hotter and drier climates is generally doomed to failure in the long run, despite all the efforts made to acclimatise them.

Planting period

Best planting time March, October
Recommended planting time February to April, September to November

Intended location

Suitable for Shaded rockery, Woodland edge
Type of use Border, Free-standing
Hardiness Hardy down to -23°C (USDA zone 6a) Show map
Ease of cultivation Amateur
Planting density 1 per m2
Exposure Partial shade
Soil pH Acidic
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, Humus-bearing, peaty, or sandy, fertile and well-drained

Care

Pruning No pruning necessary
Soil moisture Moist soil
Disease resistance Good
Overwinter Can be left in the ground
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