Flowers are also called the bloom or blossom of a plant. Flowers have petals. Inside the part of the flower that has petals are the parts which produce pollen and seeds. In all plants, a flower is usually its most colourful part. Some facts about flowers are that flowers get their food from sunlight, water, and minerals in the soil; flowers are the reproductive parts of a plant, and plants make their own food by photosynthesis. ... This is the plant's food, and this gives the plant energy to grow and produce flowers.

The sunflower (Helianthus annuus) is a living annual plant in the family Asteraceae, with a large flower head (capitulum). The stem of the flower can grow up to 3 metres tall, with a flower head that can be 30 cm wide. ... That is why Kansas is sometimes called the Sunflower State. To grow well, sunflowers need full sun.