Great Laurel Rhododendron
Rhododendron maximum
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Shrub
Height
120 inches
Width
120 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8
Water
Consistent moisture, avoid drought stress
Humidity
Prefers humid environments
Lifespan
Decades
Native To
Eastern North America
Toxicity
Toxic to pets and humans if ingested
The Story
Plant Bio
A large, evergreen shrub known for its large, showy flowers and broad, leathery leaves. One of the hardiest Rhododendron species, capable of thriving in a range of conditions.
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Choose a well-draining, acidic soil with organic matter.
- Tuck seeds or cuttings in early spring for best results.
- Water regularly to keep soil moist but not waterlogged.
- Apply mulch around the base to retain moisture and regulate temperature.
- Provide partial shade in hot climates to prevent leaf scorch.
- Transplant seedlings in early spring after the risk of frost has passed.
Pro Tip
Use acid-loving fertilizers and avoid overwatering to promote healthy growth.
Keep It Thriving
Care Guide
Do
- Water consistently to keep soil moist 🌱
- Prune after flowering to shape the plant
- Mulch annually to conserve moisture
- Feed with an acid-loving fertilizer in spring
- Monitor for pests regularly
Don't
- Avoid heavy clay soil without amendment ❌
- Don’t expose roots to extreme heat or drought
- Refrain from fertilizing with alkaline fertilizers
- Never prune in late summer or fall
- Avoid overwatering, which can lead to root rot
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Pest Check | ||||||||||||
| Plant | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Great Laurel Rhododendron questions
What zones can Great Laurel Rhododendron grow in?
Great Laurel Rhododendron is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Great Laurel Rhododendron deer resistant?
Yes — Great Laurel Rhododendron is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Great Laurel Rhododendron bloom?
Great Laurel Rhododendron typically blooms in late spring to early summer through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Great Laurel Rhododendron need full sun?
Great Laurel Rhododendron does best in part shade.
More Rhododendron to compare
Catawba Rhododendron
Rhododendron catawbiense
Double White Rhododendron
Rhododendron x hybrida 'Double White'
Bone Hardy Azalea
Rhododendron obtusum 'Bone Hardy Azalea Sampler'
Praecox Rhododendron
Rhododendron catawbiense 'Praecox'
Elite Star Rhododendron
Rhododendron x hybrida 'Elite Star'
Flame Azalea
Rhododendron calendulaceum
Keep exploring
Explore the genus
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Hardy in your zone?
Grow Great Laurel Rhododendron with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
