Mixed
75 Flower & Vegetable Combo Kit
Coriander, Acroclinium Mix, Tomato, Helichrysum, Chilli +70 more
Flower growing guide
Sunflower (Tall)
Helianthus annuus
Everything you need to grow Sunflower (Tall) successfully — from sowing to harvest.
🌱 Found in 6 combos
Care at a glance
The essentials for healthy growth.
☀️
Sunlight
Full sun — turns to follow the sun
💧
Watering
Deep but infrequent once established.
🌡️
Temperature
18°C – 30°C (64°F – 86°F)
🌱
Germination
7–10 days
🌤️
Season
Summer
🌾
Harvest / Bloom
70–100 days to flower
Soil & sowing
Get the foundation right for strong roots.
🪴
Soil type
Most soils; prefers well-draining, fertile ground.
⚗️
Soil pH
6.0 – 7.5
📏
Sowing depth
½–1 inch
↔️
Spacing
12–24 inches apart
🐛 Pests & problems
Pest management
Birds love the seed — net heads if saving seed.
Troubleshooting
Tall stems may need staking in windy spots.
🧺 Harvest & friends
Harvest & storage
For seed, harvest when the back of the head turns brown and dry.
Companion plants
Cucumber, Corn, Zinnia
Related seeds
Other varieties that grow well alongside Sunflower (Tall).
Get Sunflower (Tall) in these combos
This variety is included in the following seed combos.
Mixed
Flower
50 Flower Seeds Grand Pack
Acroclinium Mix, Gypsophila Elegans, African Marigold, Helichrysum, Alyssum +45 more
Mixed
70 Veggie & Flower Combo Kit
Coriander, Nemophila, Chilli, Zinnia, Onion Red +65 more