Sunflower: How to Grow the Annual with Big Yellow Blooms
Helianthus annuus
Growing sunflower: annual with large yellow flower heads that follow the sun. Full sun, deep soil, perfect in vegetable gardens and summer borders.
Characteristics
The sunflower (Helianthus annuus) is an annual with large yellow flower heads that, when young, track the movement of the sun (heliotropism). Grow it in full sun on fertile, deep soil, sowing in spring. It grows fast to 2-3 metres and produces edible seeds.
Flowering season
Practical tips
Water needs: media — always check soil moisture before watering.
Prefers pieno sole: provide the right light and rotate the plant for even growth.
Recommended soil: fertile profondo. Refresh the substrate every 1-2 years.
Dust the leaves with a damp cloth to support photosynthesis.
Feed during the growing season (spring-summer) and stop in winter.
