Halifax Seed Sunflower Giant Mammoth Russian Pkg.

Scientific Name: Helianthus annuus

Common Name: Sunflower Giant Mammoth Russian

Exposure: Full sun for best growth and seed production

Height: Approximately 300–360 cm at maturity

Width: Approximately 60–90 cm per plant

Spacing: Space plants 45–60 cm apart to support large size and strong stems

Attracts: Bees, butterflies, birds, and other beneficial wildlife

Use: Ornamental garden plantings, seed production, wildlife gardens, and educational gardens

Plant Habit: Tall, upright annual with very large leaves and a single massive flower head per plant

Harvest: Seed heads are harvested when the back of the flower turns yellow-brown and seeds loosen easily

Companion Plants: Corn, squash, cucumbers, and other sun-loving garden plants

General Information: Halifax Seed Sunflower Giant Mammoth Russian is a classic Heirloom variety known for producing enormous flower heads and abundant edible seeds. It thrives in full sun with fertile, well-drained soil and regular watering. This impressive sunflower is ideal for back-of-border planting, children’s gardens, and wildlife-friendly landscapes, offering dramatic height, pollinator support, and nutritious seeds late in the season.