'Delaware Valley White' Azalea puts on a floriferous performance in mid-late spring blooming large white tubular flowers. These flowers can be so prolific as to disappear the green evergreen foliage of this multi-stemmed shrub. A nice specimen, border, foundation of hedge, or woodland or shade garden addition.
Part shade. Acidic, rich, humusy, consistently moist, well-draining soil. Protect from high winds. Zone 5-8.
Rabbit resistant, attracts pollinators including butterflies.
Consider planting in raised beds if planting in clay soil.
Apply mulch to protect roots by maintaining soil moisture and temperature.
To lower soil acidity, apply sulfur or iron sulfate.
To increase soil acidity, apply limestone or lime.
Remove spent blooms as practical.
Part Shade | |
Yes | |
3-4 ft | |
3-4 ft | |
Spring | |
No | |
No | |
Average Wet | |
Yes | |
White | |
Mild | |
Yes |