isotonic (Ä«Â´sÅtonÂ´ik), adj equivalence in osmotic pressure. Specifically used in reference to a solution whose osmotic pressure is equal to that of a body fluid, such as blood plasma or tears, to which the solution is compared. isotonic muscle contraction, n See contraction, muscle, isotonic.
Best shade flowers â Perennials. There is a wide variety of flowers that grow in shade that are also perennials. These shade tolerant flowers can be planted once and will come back with lovely flowers year after year. 1  Astilbe. 2  Bee balm. 3  Bellflowers. 4  Bleeding-Heart.5  Forget-me-not.ome white flowers that grow in shade are: 1  Alyssum. 2  Astilbe. 3  Begonia. 4  Common Shootingstar. 5  Coral Bells. 6  Dropwort. 7  Heliotrope. 8  Impatiens.
Do not remove faded daffodil leaves until they are fully brown. Daffodils (Narcissus spp.) are perennial flowers that add color and shape to springtime landscaping. Blooming in various shades of yellow, white, orange, pink and cream, daffodils thrive in U.S. Department of Agriculture hardiness zones 5 to 10. Depending on their environment, flowers need a minimal amount of care after fall bulb planting and watering. Do not remove daffodil leaves until they are brown and loose.