Helianthus annuus
A majestic plant with enormous golden yellow flower heads. Great fun to grow with impressively quick results - ideal for children. A hardy annual, flowering the same year. Requires a sunny position.
Plant Height: 1.8-3m
How To Grow
Sow two seeds together 5mm (quarter-inch) deep at intervals of about 30cm (1ft), direct where they are to flower. Keep moist until well established and thin out to one plant per position. Tall plants should be staked, particularly as the main flower develops.
When To Plant
Spring to early Summer
Flowering
12 weeks after sowing
When to Sow/Plant
Spring, Summer