(Helianthus annuus). This is a classic-looking heirloom sunflower variety with pure yellow petals and dark centers that grows up to around 7 feet tall. It is perfect for use as a cut flower as well as for planting along a fence.
- Annual85-95 days to maturity8-12 hours of full sun ...(Helianthus annuus). This is a classic-looking heirloom sunflower variety with pure yellow petals and dark centers that grows up to around 7 feet tall. It is perfect for use as a cut flower as well as for planting along a fence.
- Annual85-95 days to maturity8-12 hours of full sun - Sprouts in 7-14 days - Seed Depth: 1/2"Plant Spacing: 18-24"Ideal Temperature: 65-75 FFrost Hardy: No - Growing Tips: Henry Wilde sunflower thrives in full sun and well-draining, nutrient-rich soil with a slightly acidic to neutral p - H (6.0-7.5). Regular watering is important, especially early in the plant's development, but ensure the soil is not waterlogged. Adding compost or organic matter will encourage strong growth.