Incarvillea Delavayi Snowtop (Hardy Gloxinia)

Incarvillea delavayi ‘Snowtop’, a delightful perennial, adds an air of elegance to gardens with its crisp white trumpet-shaped flowers and soft golden-yellow throats. This variety stands out for its clean, luminous blooms that appear in striking clusters above a base of deeply divided, fern-like green foliage. Perfect for borders, rockeries, or containers, this hardy perennial brings a refined yet exotic charm to temperate gardens, thriving in cool climates while offering the look of a tropical treasure.

Growing to a height of 40–60 cm, ‘Snowtop’ produces its pristine blooms from late spring through early summer, making it a wonderful choice for seasonal interest. The lush green foliage forms a neat, mounded base that remains attractive even after flowering. This frost-hardy variety thrives in sunny or partially shaded positions with well-drained soil and rewards gardeners with its resilience and beauty. Easy to grow, ‘Snowtop’ is ideal for those looking to enhance their garden with low-maintenance yet eye-catching plants.

Key Features

• Height and Spread: Reaches 40–60 cm in height with a spread of 30–40 cm.
• Foliage: Deep green, finely divided, fern-like leaves that stay fresh throughout the season.
• Blooming Period: Late spring to early summer, with large clusters of pure white flowers featuring golden throats.
• Adaptability: Thrives in full sun to partial shade and well-drained soils.
  Notable Traits: Frost-hardy; ideal for rock gardens, borders, and containers.

Planting and Care Tips

• Plant corms at a depth of 5–8 cm, with the crown just below the surface.
• Space plants 30–40 cm apart to allow for proper airflow and growth.
• Choose a site with well-drained soil enriched with organic matter for optimal results.
• Water consistently, ensuring the soil is moist but not waterlogged.
• Apply a layer of mulch to protect roots during cold winters and to retain soil moisture.
• Deadhead spent flowers to prolong the blooming period and keep the plant tidy.