How Tall Do Strawflowers Grow. As an annual the plant grows best in regions with hot summers so if you have cool summers try growing the similar-looking calendula instead. 20042017 Strawflowers can grow about 2 to 3 feet in height.
On average strawflowers are between two and three feet tall. Do not cover seed as light is required for germination. 20042017 Strawflowers can grow about 2 to 3 feet in height.
Strawflower - Key Growing Information.
Natives of Australia Strawflowers grow up to three feet tall. Strawflowers grow two to three feet tall. In most regions however gardeners start strawflowers from seed each year. Soil Fertile well-drained soil.