Cascade azalea (Rhododendron albiflorum)

Cascade azalea

Also known as: White rhododendron

Cascade azalea is a captivating shrub native to the Pacific Northwest, thriving in cool, moist forests. This species stands out with clusters of delicate, bell-shaped white flowers that give it a serene beauty. Its dark green leaves provide a striking contrast, contributing to its allure. Cascade azalea's evergreen foliage reveals an adaptability that allows it to flourish under the canopy's shade, asserting its presence in the understory with subtlety yet distinction.

Scientific classification

Species

Cascade azalea (Rhododendron albiflorum)

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Toxic to Pets

Toxicity

91 cm to 2 m

Plant Height

0 - 35 ℃

Ideal Temperature

Spring, Summer

Growth Season

Moderate

Growth Rate

Images of Cascade azalea

Attributes of Cascade azalea

Growth Rate

In spring, cascade azalea awakens from winter dormancy, initiating moderate-paced vegetative and reproductive growth. Leaf production and stem elongation occur simultaneously, leading to a noticeable increase in plant size. By summer, bud set takes place, with the moderate growth rate translating into a dense canopy of foliage and a proliferation of buds that foreshadow the forthcoming floral display. This growth pattern effectively utilises the extended daylight hours and warm temperatures prevalent in the specified seasons.

Care Guide for Cascade azalea

Every week

Water

Partial sun

Sunlight

0 - 35 ℃

Ideal Temperature

Water: Cascade azalea thrives in moist, humid environments and prefers consistent moisture, tolerating brief dryness. Weekly watering supports its lush foliage and flowering. As an outdoor plant, cascade azalea benefits from natural rainfall, enhancing its care during the growing season.

Fertilize: For optimal growth of cascade azalea, start with base fertilizer. Use water-soluble fertilizers monthly during vigorous growth. Apply phosphate fertilizer before blooming for larger flowers and longer blooming periods. Transition to nitrogen after blooming. Fertilize in small doses on sunny evenings, avoiding high-temperature seasons.

Pruning: Cascade azalea thrives with selective pruning, ideally in early spring, to remove dead or crowded growth and improve air circulation. Pruning post-bloom can enhance next season's flowering. Proper maintenance promotes health, shape, resilience, and bloom quality.

Propagation: Cascade azalea is a shrub with notable white flower clusters, propagated effectively through cuttings from healthy stems. Use clean tools to minimize damage, and consider rooting hormone for better root development. Ensure a well-draining soil mix with high humidity and consistent moisture to avoid rot.

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