Symptoms. Other surrounding plants are not affected. Sometimes a change in leaf color can be an indication of nutrient or environmental problems. The flowers are excellent for cutting. The abundant, spiky clusters of flowers bloom from late spring until autumn, almost completely obscuring the leaves. Use Russian sage as a ground cover for open areas or as a specimen plant. Gardeners, however, add plants known for everything but green. I started to notice the leaves were turning yellow and â¦ Joined: Fri Feb 03, 2012 1:24 am Posts: 4 I planted a Texas sage Silverado (Leucophyllum frutescens( about a month ago and watered it deeply for the first couple of weeks. Although the leaves may smell like those of culinary garden sage (Salvia officinalis), Russian sage is technically not a sage. The aromatic leaves emit a light herbal scent when crushed, and as noted above, are toxic if consumed. Russian sage is a beautiful perennial with small blue flowers that is neither Russian nor sage.Though it has the aroma of sage when the leaves are crushed, the plant is inedible and actually can be quite poisonous. Learning how to grow Russian sage plants is easy, as is Russian sage care. Russian sage is often used en masse in border â¦ Answer: Russian sage does well here in North Texas, but it is a xeric plant and sensitive to overwatering and wet feet. It is less than a year old and looked beautiful until 2 weeks ago. Keep reading to learn more Jerusalem sage information, such as how to grow Jerusalem sage and tips for Jerusalem sage â¦ Originally Published by Sandra Mason 08/28/2007 According to plants, green is "in". It forms a shrub up to 2 feet high with gray-green leaves and attractive lilac flowers. In the gardening world purple or yellow colored leaves are "in". Russian sage has fragrant foliage and attracts hummingbirds, honey bees, and butterflies. It is an excellent choice for arid climates and hard to plant problem sites. â¦ Sage (Salvia officinalis) is a short-lived perennial herb grown for its aromatic leaves. Post subject: Texas sage leaves turning yellow (new plant) Posted: Thu Nov 29, 2012 10:44 pm . Sage is a perennial garden herb popular to many as an easy plant to grow. Its attractive fragrant narrow leaves emerge silver in spring, turning grayish green in color throughout the season. Roots appear dark brown and have a rotten, somewhat slimy texture. If your green plants are now yellowâ¦ The fruit is not ornamentally significant. ... (Don't cut back past all living leaves) If your soil is heavy clay, dig the plant up in early fall and work in some organic matter and coarse sand to â¦ It has an upright habit with grey-green leaves and can grow 1.5 to 4 feet tall. Leaves turning yellow, brown or black with a drooping or wilting appearance. There are several causes for â¦ Keep reading for to learn how to solve these problems so that your sage plant revives and the leaves have a pronounced aroma and flavourâ¦ Sage Plant with Root Rot. Its fine texture makes it a good choice for contrasting with plants with large leaves or bold features. This perennial plant produces blue-violet blooms mid-summer to late fall. Russian Sage (Perovskia atriplicifolia) . My Russian Sage is turning brown and is no longer blooming. Sage thrives in well-drained, slightly acidic soil and full sun or light shade. Russian Sage features delicate spikes of lavender flowers rising above the foliage from early summer to mid fall. It prefers very dry conditions, making it an â¦ Like many aromatic plants, it is also deer-resistant, and rabbits are unlikely to eat it. So when, on the rare occurrence, the soft perfumed leaves wilt and even shrivel, it can be alarming to the home gardener. Jerusalem sage is a shrub native to the Middle East that produces delightful yellow flowers even in drought conditions and very poor soil. The following is a guide to the dangers of growing Russian sage.