Botanical Name: Catharanthus roseus ‘Titan™ Pure White’ Common Name: Annual Vinca, Madagascar Periwinkle Hardiness Zone: Grown as an Annual in All Climates Size: 10–14" Tall × 10–14" Spread Growth Habit: Upright, Mounded, Well-Branched Sunlight: Full Sun Soil: Well-Drained Soil Water Needs: Low to Moderate; Drought Tolerant Once Established Bloom Season: Late Spring through Frost Fertilizer: Light, Regular Feeding for Best Performance

Features: Pure White Blooms, Large Flower Size, Excellent Uniformity, Strong Heat Tolerance, Continuous Flowering

Uses: Landscape Beds, Borders, Mass Plantings, Containers, High-Heat Areas

Patent: ❌ Not Patented Propagation: ✔ Seed Grown

More About Vinca ‘Titan™ Pure White’

Vinca ‘Titan™ Pure White’ is a clean, classic member of the Titan Series, selected for its large flowers, balanced habit, and reliable summer performance. The bright white blooms provide strong contrast in the landscape and pair easily with bold or pastel companion plants.

Plants form a tidy, mounded shape that remains uniform across plantings, making this variety especially effective in mass beds and structured designs.

Why We Like It (Our Trials)

In trials, ‘Titan™ Pure White’ maintained excellent bloom coverage and color clarity through prolonged heat and dry conditions. Foliage stayed clean and plants remained balanced without stretching or thinning.

We rely on it as a neutral anchor in summer plantings where consistency and brightness are essential.

Titan™ Pure White vs. Other Varieties

Titan™ Pure White is the cleanest and most versatile neutral in the Titan™ Series, offering clarity and visual calm in plantings dominated by strong color. Compared to Titan™ Polkadot, it strips away pattern and contrast in favor of a pure, uninterrupted presentation that reads cleaner from a distance. Against Titan™ Icy Pink, it appears brighter and more formal, with less softness and more architectural presence. The large, well-proportioned blooms sit evenly across the plant, reinforcing a uniform, intentional look. This consistency is what allows it to tie bold colors together without competing for attention.

Compared to the Cora® Series, Titan™ Pure White prioritizes bloom size and upright structure, producing a stronger visual block in beds and mass plantings. Cora® White offers a softer, more blended effect with greater emphasis on stress tolerance and disease resistance, especially in humid conditions. Titan™ Pure White, by contrast, reads more polished and defined, particularly in formal layouts. As a gardener, I rely on Titan™ Pure White as a structural anchor when balance, clarity, and cohesion matter most.