Strawflower Growing Conditions. Strawflowers close at night and in. The only major requirement for growing strawflowers is slight watering.
Feeding Mix a standard application of a balanced organic fertilizer into the soil prior to planting. Strawflowers grow best in warm weather. 20042017 Strawflowers are very easy to grow because they are heat tolerant and can survive in poor soil conditions.
They should be grown in full sun or partial shade and fed monthly with a low phosphorus fertilizer low second analysis number.
Strawflowers grow best in sunny spots as the plant craves sunlight. While the plant grows in shaded spots it may not produce full blooms. Add a general purpose fertilizer once or twice a season for maximum plant growth and to promote big blooms. Strawflowers grow best in warm weather.