Sunflower

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.