Zone 8 · Rhododendron
Planting Rhododendron in Zone 8
Rhododendron catawbiense
✅ Rhododendron thrives in zone 8 (hardy 4–8)
Can I plant today?
✅ Safe to plant Rhododendron outside
Last frost has passed. Plant in spring or fall in acidic, well-drained soil. Mulch heavily; never let soil dry out.
Evaluated for April 27, 2026 ·
Zone's last frost
around March 15
Zone's first frost
around November 15
Bloom window
April – June
Peak bloom
May
Sun required
part sun
Mature height
72"
Spacing
48" apart
Type
perennial
How to plant Rhododendron in zone 8
Plant in spring or fall in acidic, well-drained soil. Mulch heavily; never let soil dry out.
Pair with these for continuous bloom
Rhododendron peaks in May. These companions keep your bed in color before and after.
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