
Great rhododendron
Rhododendron maximum
Great rhododendron is a magnificent native evergreen shrub known for its large trusses of pale pink to white flowers that bloom in early to mid summer. It thrives in moist, well-drained acidic soil with dappled shade, mimicking its natural woodland habitat along stream banks and mountain slopes. Mulch generously with organic matter to protect its shallow roots and maintain the cool, acidic conditions it requires.
Toxicity Warning
Known to be toxic to dogs, cats, horses.
Care Level
Moderate
Sun
Partial Shade
Water
Moderate
Growth Rate
Slow
Mature Height
240″ – 360″
Soil
peat
Life Cycle
Perennial
Spacing
72″
Flowers
purple
Watering Schedule
Every 7-10 Days • Water Deeply To Keep Soil Evenly Moist; Avoid Letting Roots Dry Out Completely
Soil pH
4 – 5.5
Temperature
-40° – 85°F
Mature Spread
up to 300″
Root Depth
Shallow
Foliage
Coarse
Native to
Attracts
Sources
Data: trefle, usda
Image: trefle.io — Taken Nov 6, 2021 by Rane (cc-by-sa)
No nurseries currently have this species in stock.