Pinxter bloom azalea

Pinxter bloom azalea (Rhododendron periclymenoides)
Plant Botanical Name: 
Rhododendron periclymenoides
USBG Plant Location: 
National Garden
Sunlight: 
part shade to shade
Plant Soil Type: 
acidic
Plant Moisture Requirements: 
moist but well drained

Pinxter is the Dutch term for Pentecost, supposedly relating its bloom time.