Russian Mammoth Organic Sunflower

Russian Mammoth heirloom sunflowers are a showstopper variety that reaches an impressive 3.5m (12') tall with flower heads up to 50cm (20") in diameter. These giants produce large, tasty, edible seeds perfect for dry roasting with sea salt. The plants benefit from staking as the heavy heads develop. You'll know seeds are mature when chickadees arrive to feast on the downward-facing blooms. A fun, fast-growing annual that becomes truly massive in just a couple of months; ideal for growing with young people who'll love watching these botanical giants thrive.

Annual.

Average seeds per gram: 12.