Allium scorodoprasum
Sand Leek
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Sand Leek (Allium scorodoprasum) - Description
The Sand leek (Allium scorodoprasum), also known as Rocambole, is a perennial wild onion. It should not be confused with Rocambole garlic, which is A. sativum var. ophioscorodon. According to garlic grower Ron Engeland, A. scorodoprasum is edible but seldom cultivated, and has a shorter flower stalk and fewer and more inconsistently shaped cloves than Rocambole garlic. Sand leek also has a dark violet bulb wrapper. Elephant garlic (properly A. ampeloprasum var. ampeloprasum) is also sometimes incorrectly sold as A. scorodoprasum.
Sand Leek (Allium scorodoprasum) - Blooming
Small flowers form balls on the tips of the flowering stems that are good for both fresh and dry floral arrangements.
Sand Leek (Allium scorodoprasum) - Growth
Spring, summer, or fall flowering bulbous and rhizomatous perennials. Does well with full sun or partial shade.
Sand Leek (Allium scorodoprasum) - Planting
Good candidate for filling in borders. Depending on the variety, can be planted via bulbs or seeds. In fall or spring plant as deep as the bulb is tall or wide, whichever is bigger. Self-seeds.
Sand Leek (Allium scorodoprasum) - Pest
Onion fly and thrips.Like most plants that have bulbs, damp conditions makes Allium more prone to bulb rots caused by soil-borne fungi. Plants are especially vulnerable just after planting.Allium is also susceptible to white rot, mildew, fungal leaf spot (purple blotch and gray mold), and smut.
Sand Leek (Allium scorodoprasum) - Interesting facts
Allium is a diverse genus of bulbous perennials that includes such plants as onions, garlic, chives, leeks, society garlic and giant ornamental onions. They all have relatively high concentrations of sulfur compounds which give them their unique smells and flavors. When the plant tissue is damaged some of these sulfur compounds are released, which explains why we cry when we cut onions. The sulfur compounds can dissolve in our tears, where it forms sulfuric acid. In response to the acid in our tears, we blink and produce more tears. This gives the impression that cutting onions makes us cry.
Sand Leek (Allium scorodoprasum) - Soil and irrigation
Requires regular water during the growing season. All species need well-drained soil, especially soils on the sandy side. Keep dormant plants dry.
