Crocus FF Sativus - Saffron Crocus
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The saffron crocus, Crocus sativus, is a bulbous perennial grown from corms and often searched for under names such as Crocus sativus, Crocus sativus bulbs, saffron crocus sativus or saffron crocus bulbs. A member of the Iridaceae family, this fall-blooming plant is known for its elegant cup-shaped flowers, ranging from pale lilac to soft violet, and its highly decorative orange-red stigmas, which are harvested as culinary saffron. Its fine, linear green foliage resembles a small tuft of grass and appears around the time of flowering, then continues to grow through the cool season before the plant enters dormancy. Compact, delicate and luminous, the Crocus sativus plant is well suited to rock gardens, borders, well-drained garden beds, herb gardens and natural-style landscapes. In Canadian gardens, it is especially valued for its late-season bloom, refined appearance and the possibility of harvesting a small amount of homegrown saffron from the dried stigmas. It should never be confused with autumn crocus, or Colchicum autumnale, which is a different plant.
Growing Crocus sativus requires a bright, warm and very well-drained location, ideally in full sun, with light sandy, gravelly or loamy soil that does not hold water during winter. Crocus sativus corms are usually planted from late summer to early fall, about 10 to 15 cm deep, with approximately 10 cm of spacing between each corm. This gives the bulbs enough room to settle in and form small colonies over time. In colder or wetter regions, choose a protected site, such as near a warm wall, in a raised garden bed or in a very well-drained container. Water moderately after planting, then keep watering very limited when the plant is dormant, as soggy soil can cause corm rot. A light application of mature compost or bulb fertilizer is usually enough, without adding too much nitrogen. Crocus sativus cultivation is easiest when the soil stays relatively dry in summer and remains well drained through winter.
In the garden, saffron crocus combines beautifully with low-growing perennials, fine ornamental grasses, thyme, sedum, lavender in warm sites, miniature iris and other dry-soil plants that will not smother it. For a natural effect, plant Crocus sativus bulbs in small groups in a sunny border, rock garden, herb garden or decorative pot on a balcony. Avoid overly wet areas and strong competition from aggressive spreading plants. The flowers may attract bees and other late-season pollinators when fall weather allows, while freshly planted corms can sometimes attract rodents, so physical protection may be useful in areas where pressure is high. Harvesting is done flower by flower by removing only the long red stigmas, then drying them gently before storing them away from light. With its rare charm, fall bloom and culinary value, Crocus sativus offers the chance to grow a small living luxury directly in the garden.
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