Periwinkle (also known as Calendula, Four Seasons Spring, Everyday New, Wild Goose Head Red, Thirty Thousand Flowers)

Latin Name: Catharanthus roseus (L.) G. Don cv. Albus

Flower Color: Pink, Rose Red

Plant Height: 30-40cm

Flowering Period: June to September

Seeds per Gram: 700 seeds

Sowing Rate: 2.0-3.0 grams/square meter

Growth Habit: Prefers high temperature and high humidity, tolerates partial shade, not cold-resistant. Optimal temperature range is 20°C-33°C. Enjoys sunlight, avoids excessive moisture and waterlogging. Can be cultivated in general soil, but not suitable for saline-alkaline soil. Prefers well-drained, ventilated sandy soil or humus-rich soil.