F1 Hybrid Pollenless Sunflower Sumbeam is unique and popular due to its bright golden petals and green center. Being pollenless Sunbeam is excellent for cutflower purposes. F1 Hybrids are very uniform and vigorous in growth even under low temperature conditions and short day conditions. Dense planting produces very high quality cutflowers in a short period of time. An economical and profitable series.  Exercise extra care not to overfeed plants. Excessive application of Nitrogen fertilizer may result in overgrowth of plants, especially when grown as a summer crop.