Azalea ‘Alphonse Anderson’ (Evergreen Azalea)
Azalea ‘Alphonse Anderson’ is an evergreen flowering shrub valued for its vibrant blooms and compact growth habit. It is widely used in garden beds, borders, and container planting where strong seasonal colour and a neat form are desired.
The plant produces dense, small to medium-sized green leaves that form a tidy, bushy structure. In spring, it becomes covered in masses of large, showy flowers in rich pink tones, often with subtle markings that add depth and visual interest.
Key Features
‘Alphonse Anderson’ is known for its profuse spring flowering, creating a strong visual impact.
Its compact growth habit makes it suitable for smaller gardens and structured planting.
It performs well in partially shaded areas, making it ideal for underplanting or woodland-style gardens.
Growth Habit and Size
This variety grows as a compact, rounded shrub.
It typically reaches 1 to 1.5 metres in height, with a similar spread. Growth rate is moderate.
Care Requirements
Light
Prefers partial shade to filtered light. Morning sun with afternoon shade is ideal.
Watering
Requires consistent moisture, particularly during establishment and flowering.
Keep soil evenly moist but not waterlogged.
Soil
Prefers well-draining, acidic soil rich in organic matter.
Temperature and Climate
Suitable for temperate climates. It tolerates cool conditions and light frost but benefits from protection from harsh conditions.
Maintenance
Low to moderate maintenance. Light pruning after flowering helps maintain shape and encourages bushier growth.
Mulching helps retain moisture and maintain soil acidity.
Use fertilisers formulated for acid-loving plants.
Common Issues
Poor drainage can lead to root problems.
Yellowing leaves may indicate incorrect soil pH or nutrient deficiency.
Leaf scorch can occur in strong direct sun.
Applications
Azalea ‘Alphonse Anderson’ is suitable for:
Garden beds and borders
Woodland-style planting
Container planting
Mass planting
Shaded gardens
Feature planting
Its vibrant blooms make it a standout in spring.
Specification and Care Chart
| Attribute |
Details |
| Botanical Name |
Rhododendron ‘Alphonse Anderson’ |
| Common Name |
Alphonse Anderson Azalea |
| Plant Type |
Evergreen shrub |
| Mature Height |
1 m to 1.5 m |
| Growth Habit |
Compact, rounded |
| Growth Rate |
Moderate |
| Light Conditions |
Partial shade to filtered light |
| Direct Sunlight |
Avoid harsh exposure |
| Watering Frequency |
Moderate; keep soil consistently moist |
| Soil Type |
Acidic, well-draining, organic-rich |
| Drainage Requirement |
Essential |
| Temperature Range |
Temperate |
| Frost Tolerance |
Light frost |
| Drought Tolerance |
Low |
| Maintenance Level |
Low to moderate |
| Fertiliser |
Acid-loving plant fertiliser |
| Toxicity |
Toxic if ingested |
FAQ – Azalea ‘Alphonse Anderson’
When does it flower?
In spring.
Does it need shade?
Partial shade is ideal for best growth and flowering.
What soil does it prefer?
Acidic, well-draining soil rich in organic matter.
How often should it be watered?
Keep soil consistently moist, especially during active growth.
Is it suitable for pots?
Yes, it performs well in containers with the right soil mix.
How big does it grow?
Typically reaches 1 to 1.5 metres in height and width.