Strawflower Germination Time. 7-10 days at 70-75F 21-24C. Helichrysum seeds can be directly sown outdoors once frost season has passed and temperatures are consistently warm.
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What Do Strawflower Seeds Look Like. Although some cultivars reach up to 5 feet tall most are 2-3 feet tall with some 12. 5 cm Best germination temperature.
On the other hand Purdue University suggests that sunflower seeds can take up to 11 days to germinate.
Notes Strawflower makes a great dried flower. Fill a planting tray with a lightweight commercial potting mix and sprinkle the seeds on the surface of the mix. 7-10 days at 70-75F 21-24C. Sow Strawflower seeds covering them lightly with soil.