Secale cereale. Annual, open-pollinated. 2-3 days for rye berry sprouts or 7-10 days for ryegrass. These Organic ryegrass seeds (not to be confused with ryegrass Lolium) seeds are great for long-term bulk food storage and grinding into rye flour for whole rye bread. Available in small quantities to bulk sizes in resealable packaging. Our rye seeds are tested for microbes and certified Organic.