Definition of AWN. : one of the slender bristles that terminate the glumes of the spikelet in some cereal and other grasses. â awned \ËoÌnd\ adjective. â awnÂ·less \ËoÌn-lÉs\ adjective. ADVERTISEMENT.
Rhubarb crowns are best planted in early spring when the roots are still dormant or plants are just beginning to leaf out. Rhubarb can also be planted in the fall after dormancy has set in. Each plant will require approximately one square yard of space. Loosen the soil to a depth of 10 inches. For each plant, prepare the soil by adding 3 to 4 inches of compost or well-aged manure and a handful of fertilizer that is relatively high in phosphorus and potassium, such as 5-10-10. Cover the crowns with no more than an inch or two of soil.
1 Dig large bushel basket-size holes. 2  Space rhubarb plants about 4 feet apart and plant the roots 1 to 2 inches below the surface of the soil. 3  Be sure to mix compost, rotted manure, or anything high in organic matter in the soil. 4  Rhubarb plants are heavy feeders and need this organic matter.hubarb is a perennial vegetable, though it is generally used as a fruit in desserts and jams. You only eat the stalks, which have a rich tart flavor. The leaves of this plant are poisonous, so be sure that they are not ingested.