Viola cornuta F1 'Grandissimo Yellow' – Large-flowered, sun-drenched yellow-flowered Viola

Viola cornuta F1 'Grandissimo Yellow' is a striking, large-flowered viola known for its bright yellow flowers and abundant blooms. This heat-tolerant, large-flowered cultivar is ideal for late summer and autumn planting and combines a long flowering period, compact growth, and a strong color impact. Thanks to its improved plant structure and excellent seed quality, 'Grandissimo Yellow' offers both gardeners and consumers a reliable and spectacular performance.

Characteristics of Viola cornuta F1 'Grandissimo Yellow'

'Grandissimo Yellow' is distinguished by its large, sunny yellow flowers, which add a fresh and cheerful touch to any garden, pot, or container. Its compact, branched growth allows the plant to easily fill pots, containers, and borders, even in warm conditions that standard varieties struggle with. Thanks to its early flowering, this cultivar is perfect for kicking off the viola season in late summer or early autumn.

Key Features:

• Botanical name: Viola cornuta F1

• Cultivar: 'Grandissimo Yellow'

• Color: Bright yellow

• Flower size: Larger flowers than standard Viola

• Height: 15–25 cm

• Flowering: Late summer to autumn, profuse and continuous

• Location: Sun to partial shade

• Uses: Pots, containers, hanging baskets, borders, mixed containers

• Winter hardiness: Semi-hardy; can overwinter in milder climates

Thanks to its large-flowered form, this cultivar provides more colour per plant and offers an attractive alternative to standard trailing violets.

Benefits and applications

'Grandissimo Yellow' is versatile and perfect for various applications:

• Pots and Containers – fills containers quickly and creates an eye-catching presentation.

• Hanging Baskets – large-flowered and heat-tolerant, ideal for late summer and autumn.

• Borders and mixed containers – adds structure and a pop of color.

• Landscape planting – an economical and colorful option for public or commercial projects.

This large-flowered Viola combines exceptionally well with other autumn performers such as Power, creating a long-lasting and attractive seasonal display.

Care and location

Viola cornuta F1 'Grandissimo Yellow' grows best in a sunny to partially shaded location with well-drained, fertile soil. The plant is easy to care for and maintains its compact, bushy growth and abundant flowering, even in warm weather.

Care tips:

• Place in full sun to light shade for maximum color intensity.

• Keep the soil slightly moist, but avoid waterlogging.

• Remove wilted flowers regularly to prolong flowering and keep the plant tidy.

• Combine with other large-flowered Viola varieties for a spectacular colour combination.

Why choose Viola cornuta F1 'Grandissimo Yellow'?

'Grandissimo Yellow' offers a perfect combination of large flowers, sunny color, and heat tolerance. The bright yellow flowers, compact growth, and heat tolerance make this cultivar ideal for borders, pots, hanging baskets, and mixed containers. Whether brightening late summer and autumn gardens, commercial display, or balcony planting, Viola cornuta F1 'Grandissimo Yellow' delivers color, elegance, and economic value in a single plant.