Contact Us The seed sale is currently closed but will re-open in late September for pollinator mix sales only.

Heracleum maximum: clean seed sold by the ounce


The common name for this species is Cow parsnip. This is a wild collected seed lot, original collection site Rogue River Preserve.
This product is sold by the ounce.

SKU: HERMAX-RNPP-6/19/21-RRP-OZ Categories: ,


Heracleum maximum has 136200 seeds per pound. This plant is native to North America; in southwest Oregon it thrives in riparian areas, seasonally wet areas, and forest edges, and grows at a range of elevations.
Seed treatment recommendations: Direct sowing is recommended, though scarifying the seed with sandpaper or a file may improve germination rates. Sow in fall or stratify under cold moist conditions for 2-4 weeks before spring sowing.
More Info: