Yates Flower Seed Sunflower Yellow Empress 2g SKU: 137129 MODEL: 31840 Error. try again later You've successfully joined the club $ 3 .98 each Available on orders $50 to $1500.More info × Mitre 10 Variants Flowers up to 35 centimetres across. Impressive back drop. Easy to grow. Features and benefits Bold summer colour. Large yellow flowers. Flowering 12 weeks.