Giant Sunflower Seeds

The giant sunflower is a spectacular annual plant known for its impressive size and enormous yellow flowers with dark centers. A striking addition to the garden, it brings height, structure, and color to landscaping while attracting pollinators and birds.

2. Sowing

Difficulty level : Easy
Sowing method : Direct sowing outdoors after all risk of frost has passed (late May in zones 5-6) or sowing indoors 2 to 3 weeks before the last frost
Sowing technique : In pockets or in line
Sowing depth : ~ 2 to 3 cm
Germination time : 7 to 14 days
Germination temperature : 18 to 24 C

3. Culture

Ease of cultivation : Easy
Growing season : Warm season
Transplanting : Possible, but direct sowing is recommended
Plant spacing : ~ 45 to 60 cm between plants
Distance between rows : ~ 75 to 90 cm
Hardiness zone : Non-hardy annual plant
Light : Full sun
Soil type : Rich, loose and well-drained soil
Soil pH : Slightly acidic to neutral
Soil moisture : Keep the soil consistently moist.
Soil fertility : Requires compost
Time before flowering : Approximately 70 to 90 days after sowing
Watering : Regular, especially during periods of rapid growth
Other characteristics : May require staking in exposed locations; excellent plant for attracting birds

4. Usage

Perfect as a background plant in flowerbeds, along a fence, or as a focal point in the garden. The seeds can also be harvested at the end of the season to feed the birds.

5. Apprenticeship

Companion plants : Corn, cucumber, squash, peas
Enemy plants : Potato