Volcano® Ruby Phlox: Intense Ruby Blooms with Superior Disease Resistance

Volcano® Ruby Phlox

Add rich, ruby-red color to your summer garden with Volcano® Ruby Phlox. This superior selection shares the same outstanding traits as its siblings: compact habit, sturdy stems, high powdery mildew tolerance, and exceptional floriferousness. The intense ruby flowers bloom profusely on strong stems, making it a standout in borders, mass plantings, and patio containers. A fine cut flower for summer bouquets. Photo credit: Anthony Tesselaar.

Key Features

• Compact, non-lodging habit.
• High resistance to powdery mildew.
• Vibrant ruby-red flowers all summer.
• Strong stems—no staking required.
• Versatile for borders, beds, and containers.
• Long-lasting cut flower.

Growing Requirements

• Full Sun to Partial Sun – Full sun for best color and bloom density.
• High Moisture – Needs consistent soil moisture.
• Height: 2 feet or less.
• Spread: 1–2 feet.

Grow in fertile, well-drained soil. Mulch to conserve moisture. Provide good air circulation. Deadhead spent blooms. Divide clumps in spring or fall every few years.