40-50 Days to maturity. Eruca vesicaria ssp. sativa ’Rocket’. Rocket (Roquette) Arugula Seeds. Non-GMO, warm weather heirloom annual. Arugula is a nutrient-dense Mediterranean leafy green that has been cultivated in kitchen gardens for centuries. Rocket AKA salad herb, roquette, or garden rocket is particularly renowned because it is slow to bolt in warm summers and is all-around easy to grow. ~ 14,200 seeds/oz.