Frost-resistant Rhododendrons Of Deciduous Varieties

2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38

The greatness and beauty of the rhododendron encourage gardeners-flower growers to acquire seedlings of this plant. So that the rhododendron does not freeze out in cold regions, you need to choose deciduous and semi-deciduous winter-hardy hybrids. I offer a description of the most popular varieties

Irena Koster

A Dutch breeding hybrid tolerates winters down to -24. The shrub gives an average annual growth of 8 cm, is able to grow up to 2.5 m. The crown is spreading, round, and grows up to 5 m in diameter under favorable conditions.

Flowering begins in late May and lasts at least three weeks, filling the area with a bright aroma. The petals are pink, the middle of the funnel is yellow. The inflorescences consist of 7-12 buds. In September, before leaf fall, the leaves change color to brown-yellow or burgundy.

Oxidol

The hybrid, bred in England, is designed for a temperate climate, withstands winter frosts down to -27. Sprawling bush, well leafy, in girth it can have 3 m, crown height 2, 5.

The branches are erect, with an increase of at least 5 cm per year, young shoots have a reddish tint. The first buds appear at the end of May, mass flowering in the second half of June. Flower size 6-9 cm, petals with wavy white edges. In autumn, the foliage turns burgundy.

Orchid Lights

The smallest frost-resistant rhododendron is not higher than 90 cm, the crown of the bush in the girth is 1, 2 m. This sturdy man tolerates frosts -37, at -42 generative buds are not damaged. Orchid Lights, despite its compact size, is endowed with strong immunity: it practically does not suffer from fungal diseases.

Extreme decorativeness and amazing aroma are noted. The crown keeps its spherical shape well, the foliage is green-yellow in color, the open buds are 4-4.5 cm in size, the petals are purple with a yellow center. Early flowering: from mid-May. In one place it grows up to 40 years. Frost-resistant hybrids Candy Lights, Golden Lights, Rosie Lights have similar qualities.

Silfides

A medium-sized bush with a height of 1, 2-1, 8 m tolerates winter to -32. In spring, during blooming, young foliage is dark red, turning green only by the end of May. At the same time, flowering begins and lasts until mid-June. Flowers are white-pink, collected in inflorescences of 8-15 pieces. Rhododendron blooms profusely in partial shade.

Nabucco

The height of the crown can grow up to 2 meters, the branches are spreading, the ends of the shoots are densely leafy. The buds are bright red with a weak aroma, bloom in the last days of May. Duration of flowering is 20-25 days. It reproduces well by seeds. In September, the foliage changes color to red-yellow. Nabucco can withstand temperatures down to -29.

Homebush

The bush is fast-growing, has a dense crown, requires regular correction / pruning. It blooms for 4 weeks (May-June) with pink double buds 6-8 cm each. The foliage is green with a bronze tint, becomes crimson in autumn, and orange before leaf fall. High frost resistance, withstands up to -30.

Klondike

The bush grows rapidly and begins to bloom profusely from the third year. Fragrant buds in the form of large bells. The Klondike is extremely decorative during the flowering period: closed red-colored buds with longitudinal orange stripes. The blossoming flower is yellow-golden in color.

Grandmother

A low-growing shrub does not exceed 50 cm, it is characterized by slow growth, the dimensions of an adult plant are 50 * 50 cm. It blooms profusely from May to June. At this time, it is densely covered with inflorescences. Terry flowers are bright pink, abundantly flowering shrub winters safely at -25.

This variety of rhododendron tolerates frosty winters down to -30. It develops well in lighted areas and in the shade.

Semi-leafy frost-resistant rhododendrons

All semi-leafy rhododendrons are covered with spruce branches (any non-woven material) for the winter. I will list the popular varieties with extreme temperature characteristics of wintering.

• Ledebois withstands - 32 degrees;

• Sikhotinsky -27;

• Dumb -25;

• Ledikaness -27;

• Schneeperl -25.

When buying a rhododendron seedling, take into account the climatic conditions of your area and varietal characteristics, only in this case there will be no problems when growing.