Plants A-Z

Rhododendron (Azalea hybrid - Kaempferi)

Kaempferi Azalea

Based on R. kaempferi, the torch azalea, this is a cold-hardy plant that produces a profusion...

Rhododendron (Azalea hybrid - Knapp Hill-Exbury)

Knapp Hill-Exbury Azalea

Plants vary from upright to spreading, 4 to 6 ft. tall. They produce the largest flowers found on deci...

Rhododendron (Azalea hybrid - Macrantha)

Macrantha Hybrid Azalea

Includes plants sometimes referred to as Gumpo and Satsuki azaleas. Low-growing plants, mostly in the ...

Rhododendron (Azalea hybrid - Monrovia)

Monrovia Hybrid Azalea

Developed by Monrovia Nursery in Southern California, using Belgian Indica and Southern Indica azaleas...

Rhododendron (Azalea hybrid - Northern Lights)

Northern Lights Hybrid Azalea

The hardiest of all deciduous azaleas, these University of Minnesota hybrids withstand –45–F...

Rhododendron (Azalea hybrid - Rutherfordiana)

Rutherfordiana Azalea

These bushy, 2–4-ft. plants have handsome foliage and medium-size blossoms that may be single, s...

Rhododendron (Azalea hybrid - Southern Indica)

Southern Indica Azalea

These varieties were selected from Belgian Indica hybrids for vigor and sun tolerance. Most grow 3 to ...

Rhododendron (Azalea hybrid - Viscosum)

Hybrid Azaleas

Hardy to –15–F/–26–C. Hybrids between Mollis azaleas and R. viscosum

Rhododendron augustinii

Blue rhododendron

From western China. This relatively small-leaved species produces trusses of beautiful blue flowers. I...

Rhododendron calophytum

This reaches 6 ft. tall and wide after 10 years, but keeps on growing, eventually becoming a small tre...

Rhododendron catawbiense

Appalachian native that grows 10 ft. tall and wide or larger, producing trusses of lilac purple, magen...

Rhododendron impeditum

From China. This twiggy, dense dwarf to 1 ft., with tiny, closely packed leaves in light grayish green...