Bloom-a-Thon® White Rhododendron Shrub

Bloom-a-Thon® White Rhododendron Plants are twice as nice as other azaleas. Bloom-a-thon maintains excellent color year-round. Flowering lasts for 4-6 weeks in spring, and then another 12-16 weeks in summer and fall. Grows in beds or containers. This long-blooming dwarf variety delivers lovely, crisp white flowers.

Bloom-A-Thon® White Rhododendron x 'RLH1-3P3' USPP 21,512

Companion Planting: Astilbe, Dicentra, Hydrangea

Planting Instructions:

• - Best planted in early spring or fall to avoid extreme weather conditions
• - Space plants 3-6 feet apart, depending on the variety and mature size

Soil Preparation:

• - Ideal soil pH: 4.5-6.0, requiring acidic conditions
• - Prefers well-drained, loose, and organic-rich soil; avoid heavy clay or overly wet conditions

Watering Specifics:

• - Water deeply and regularly during the first growing season to establish roots
• - Keep soil evenly moist but not soggy; Rhododendrons do not tolerate drought well

Fertilizer Type:

• - Use a fertilizer designed for acid-loving plants, applied in early spring
• - Avoid over-fertilizing, as Rhododendrons are sensitive to excess nutrients

Pruning and Training:

• - Prune immediately after flowering to shape the plant and encourage new growth
• - Remove any dead, damaged, or crossing branches to maintain healthy growth

Additional Pest Management:

• - Monitor for common pests such as lace bugs, weevils, and spider mites
• - Ensure good air circulation to prevent fungal diseases like powdery mildew or root rot

Temperature Tolerance:

• - Hardy in USDA zones 4-8, depending on the variety
• - Protect from harsh winter winds and heavy snow in colder regions; mulch around the base to insulate roots