Sunflower
Helianthus annuus
Family: Asteraceae
About this plant
Sow straight into the ground in late spring; it resents transplanting. Tall kinds need a stake once the head fills out.
Schedule
- water
- every 2–5 days
- fertilizer
- every 33 days
- repotting
- every year
- Light
- Direct sun
- Humidity
- Low
- Temperature
- 8–38°C
Sources
Every care recommendation cites its source — RHS, Missouri Botanical Garden, IFAS, NC State — instead of being written from memory.