Growth Habit: intermediate (5 x 5 feet)
USDA Zone: 6b
Exposure: filtered to full sun
Growing Conditions: evenly moist, well drained acidic soils
Parentage: (griffithianum hybrid)
Color Category: red
Bloom Time: May
Comments: Even after many, many years the red on this rhododendron is still the standard against which all other reds are measured. Bright red flowers open against very dark green foliage. Handles full sun and is often planted in those settings. Frequently sold simply as 'Jean Marie'.