Helianthus Pro Cut White Nite Seeds

Helianthus Pro Cut White Nite Seeds produce white petals around large centres for an unusual sunflower display. The blooms suit both garden planting and floral arrangements.

Grow it successfully: Read the Sunflower Grow Guide — ProCut single-stem module.

Quick Grow Facts

• Plant Type: Annual
• Scientific Name: Helianthus annuus
• Seed Form: Raw seed
• General Sowing Time: Warm season after frost
• Position: Full sun
• Pretreatment: None; sow dry seed straight from the packet
• Sow Depth: 12–13 mm; cover the seed
• Light: Not required while the seed is covered; give full light after emergence
• Germination: 7–14 days at 21–24°C
• Spacing: 10–15 cm for cut stems; 25–30 cm for thicker garden stems
• Growth Form: Pollenless single stem
• Pinching: Do not pinch
• Height: 150–180 cm
• Flower Outcome: Creamy-white petals with a dark centre; generally 10–15 cm
• Days to First Cut: About 50–60 days from sowing

Why Grow This Variety

• White petals offer an alternative to traditional sunflower colours.
• The flowers are suited to bouquets and decorative arrangements.
• Germination is listed at 7-14 days and harvest at 50-60 days.
• Full-sun growth suits bright beds and borders.

Garden Uses

Use Pro Cut White Nite in sunny beds, borders, bouquets or vases for pale sunflower colour.

Growing Notes

• Direct sow after frost, or transplant a young intact plug started only two to three weeks earlier.
• Cover 12–13 mm and hold at 21–24°C with even moisture; expect emergence in 7–14 days.
• Space 10–15 cm for bouquet stems, or 25–30 cm for thicker garden stems and larger heads.
• Do not pinch this pollenless single-stem cultivar.
• Harvest at about 50–60 days when the petals are just beginning to lift.

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