Group 1. Winter
Group 1 varieties are the fastest to develop. They are best suited for cooler conditions and short-day periods, where their growing speed is reduced by lower light and temperatures. Because of their rapid development, Group 1 Lisianthus is ideal for cold-season production in Southern Europe, early spring crops, or unheated greenhouse conditions. These varieties help growers maintain acceptable crop times when environmental conditions would otherwise slow plant development.
Group 2. Spring
Group 2 varieties still grow relatively quickly but offer slightly more flexibility than Group I. They are commonly used in cool to mild seasons, such as spring and autumn in Mediterranean regions. For growers, Group 2 provides a balance between speed and plant strength, often resulting in uniform stems and reliable flowering without excessive stretching.
Group 3. Summer
Group 3 varieties are the backbone of year-round production in the Netherlands. These types are well adapted to moderate light levels and controlled greenhouse environments. Dutch growers rely on Group 3 Lisianthus because they can be scheduled consistently across seasons with predictable crop timing and quality. For buyers, group 3 ensures steady availability and uniform quality throughout the year. For summer production in Southern Europe or other warm regions. Their slower development prevents premature flowering and helps maintain stem length and flower size under heat stress.
Group 4. Summer
Group 4 varieties are specifically bred for high-light, high-temperature conditions, such as summer production in Southern Europe or other warm regions. Their slower development prevents premature flowering and helps maintain stem length and flower size under heat stress. While crop time is longer, Group 4 varieties deliver superior quality during hot seasons when faster types may struggle. In addition, non-forced cultivation enhances stem strength and leads to fuller blooms, further increasing their ornamental value.
Matching type to planning
In practice, successful Lisianthus programs use multiple types across the year. Southern European growers often shift from group 1 – 2 in winter and early spring to group 3 – 4 in summer, and in late autumn group 2 - 1, while highly controlled greenhouses focus mainly on group 3 with occasional group 2 and 4 adjustments.
For professional buyers
For professional lisianthus buyers, such as wholesalers, exporters, and floral procurement managers, understanding these types explains why stem length, bud count, and availability may vary by season. Choosing the right Lisianthus type is not just a technical decision; it is the key to consistent quality, efficient production, and a reliable market supply.
Takii Lisianthus assortment
Our Lisianthus assortment includes strong, reliable series for every type. From the early-flowering and fast-growing Group 1 Lisianthus, to the heat-tolerant Group 4 Lisianthus. Each series is bred to deliver consistent quality, strong stems, and excellent vase life. Explore our full range to find the right series for your growing conditions and market needs.