The "Nova Zembla" Rhododendron is a popular cultivar known for its striking red flowers. Here's some information about it:

1. Description: Nova Zembla Rhododendron is an evergreen shrub that typically grows to a height of 5 to 6 feet with a similar spread. It features large, leathery leaves and produces large trusses of vibrant red flowers in mid to late spring. The flowers are funnel-shaped and have a wavy edge, adding to their ornamental appeal.

2. Growing Conditions: Nova Zembla Rhododendron prefers partial shade to full shade and well-drained, acidic soil rich in organic matter. It thrives in cool, moist environments and benefits from regular watering, especially during dry periods. Mulching around the base of the plant can help retain soil moisture and regulate soil temperature.

3. Blooming Season: Nova Zembla Rhododendron typically blooms in mid to late spring, usually from May to June, depending on the climate. The flowers are borne in large, showy clusters at the ends of the branches and last for several weeks, providing a stunning display of color in the garden.

4. Maintenance: This cultivar generally requires minimal maintenance once established. Pruning is usually not necessary unless the plant becomes leggy or overgrown. Deadheading spent flowers can help promote next year's blooms. Fertilizing with a rhododendron-specific fertilizer in spring can provide additional nutrients for healthy growth and flowering.

5. Landscaping Uses: Nova Zembla Rhododendron is commonly used as a specimen plant or focal point in gardens, borders, and woodland settings. Its large size and vibrant red flowers make it a striking addition to shaded or woodland areas. It can also be planted in groups for mass plantings or used as a natural screen or windbreak.

Overall, Nova Zembla Rhododendron is a beautiful and versatile shrub that adds color and texture to the landscape with its vibrant red flowers and evergreen foliage. With proper care and maintenance, it can thrive for many years, providing enjoyment season after season.