Cityline® Rio Hydrangea Bush

Cityline® Rio is another miniature hydrangea that offers beautiful long-lasting flowers. It blooms early in a color range from a strong blue to purple, depending on the soil pH. If you want to encourage more blue coloring, add aluminum sulfate to your soil. Cityline Rio also offer excellent mildew resistance. It can be grown in containers in milder climates.

Planting Instructions:

• - Can be planted anytime the soil temps are 60F

Soil Preparation:

• - Ideal soil pH: 6.0-7.0, though varies by species
• - Prefers well-drained soil with organic matter for most bush varieties

Watering Specifics:

• - Water thoroughly when first planted, allowing soil to dry slightly between waterings
• - Once established, most bushes are drought-tolerant but benefit from regular watering during dry spells

Fertilizer Type:

• - Apply a balanced fertilizer in early spring to promote healthy growth
• - Avoid over-fertilizing, as this can promote excessive foliage growth at the expense of blooms

Pruning and Training:

• - Prune in late summer after the flowers fade, never in the spring
• - Up to one-third of the stems length can be pruned back

Additional Pest Management:

• - Most bushes are pest-resistant, though monitor for aphids, mites, or scale insects depending on the species
• - Ensure good air circulation to prevent fungal issues in dense growth

Temperature Tolerance:

• - Tolerates heat and cold once established

Cityline® Rio Hydrangea macrophylla 'Ragra' N/A