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Sunflower (Tall)
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.

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Sunlight

Full sun — turns to follow the sun

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Watering

Deep but infrequent once established.

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Temperature

18°C – 30°C (64°F – 86°F)

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Germination

7–10 days

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Season

Summer

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Harvest / Bloom

70–100 days to flower

Soil & sowing

Get the foundation right for strong roots.

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Soil type

Most soils; prefers well-draining, fertile ground.

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Soil pH

6.0 – 7.5

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Sowing depth

½–1 inch

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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).

Sunflower MiniatureCosmosZinniaMarigold

Get Sunflower (Tall) in these combos

This variety is included in the following seed combos.

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