\r\nSaffron Crocus (Crocus sativus) in bloom.\r\n\r\nSaffron Crocus (Crocus sativus) create quick jewel-toned flowers in the fall garden in about 6-10 weeks (sometimes as little as 4-6 weeks) after being planted. They can be planted in the garden in zones 6-10 or can be used in containers on a patio or grown indoors. Saffron Crocus can be harvested and dried to add flavor to your favorite dishes. Here are tips for growing Saffron Crocus.\r\n\r\nGrowing Saffron Crocus: When To Plant Saffron Crocus Bulbs\r\n\r\nMake sure to plant Saffron Crocus bulbs at least 6 weeks before chance of frost. The bulbs (corms) don't store well and should be planted soon after you receive them.\r\n\r\nAugust is the best time to plant in colder locations (zones 3-6).