Sunflower ‘Russian Giant’
Helianthus annuus · Flower · No. 45
- Sow under cover
- Apr
- Sow outdoors
- May
- Flowers
- Aug–Oct
- Germination
- 7–14 days
- Spacing
- 45 cm in the row, 60 cm between rows
- Days to flower
- 80–100 from sowing
- Sun
- Full sun
- Seed saving
- Moderate
| J | F | M | A | M | J | J | A | S | O | N | D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Under cover | April | |||||||||||
| Outdoors | May | |||||||||||
| Flowers | August | September | October |
Notes
Single head up to 3 m. Bag the head with fleece once petals drop, or birds take the seed.
Saving seed · Moderate
Insects cross it with other varieties. Grow one variety, isolate, or bag and hand-pollinate.
- Grow one variety of this plant, or keep 50 m from others.
- Or bag three flowers before they open and hand-pollinate.
- Leave the seed to ripen fully, then dry 7–14 days.