She has a Bachelor of Arts degree in art with a minor in English. Never use any information from Gardenality to diagnose or treat any medical problem. Gardenality does not provide medical advice, diagnosis or treatment. Amend the soil at planting with compost. Water deeply immediately after fertilizing your clematis. Older clematis will have more extensive root systems that reach further out from the base of the vine. 'Jackmanii' is the cultivar name. Feed again, once or twice during the growing season, with a water-soluble organic fertilizer. Discontinue fertilization if and when blooms appear. Continue this alternate feeding until the end of the growing season. Growing requirements for Clematis Vines Clematis Jackmanii, like any other plant, will thrive if you are able to meet its growing requirements, and give it reasonable care. Discontinue fertilization if blooms appear, because applications of fertilizer during bloom can shorten the length of bloom time for the clematis. Soil test kits are available at most nursery and garden centers or you can have your local extension service test for you. Most clematis are vigorous, climbing vines.Sometimes referred to as ‘heavy feeders”, most nutrition is provided by the soil that you plant your clematis in. Water your clematis once per week with 1 inch of water during the growing season. Pinch back the tips of branches near the base of the plant at the start of the growing season before new growth begins, to encourage the plant to branch out. To give your plant an extra boost of soil fertility, and to improve drainage, spread 1/2 inch of compost around the base of the plant every spring before the start of the growing season, and work it gently into the soil using your fingertips. Clematis (Clematis spp. Miracle-Gro Garden Feeder –Miracle-Gro Fertilizer For Clematis. Use approximately 1 ounce of bonemeal per square foot of area around the vine. Clematis, Vines, Feeding, Fertilizing, Watering, Tips, Instructions, How To. Given the proper care clematis will strongly establish themselves and thrive for many years to come. Then feed every 4 to 6 weeks with a balanced 10-10-10 fertilizer. Applications of fertilizer during bloom can shorten the length of bloom time for the clematis. Mulch must not be allowed to touch the base of the plant, so keep it at least 4 inches away from the base of the vine. It was named after the 19th-century British nurseryman, George Jackman. Spread a 2-inch layer of organic mulch around the base of the plant to conserve moisture and to prevent weeds from growing. For example: If you are looking for Jackmanii Clematis type the word "Jackmanii" or "Clematis" in the search to find the plant. Provided with the appropriate growing conditions and adequate care, clematis blooms profusely in summer, making this vine a showy specimen, perfect for growing on a backyard wall or trellis. Leslie Rose has been a freelance writer publishing with Demand Studios since 2008. To give your plant an extra boost of soil fertility, and to improve drainage, spread 1/2 inch of compost around the base of the plant every spring before the start of the growing season, and work it gently into the soil using your fingertips. Clematis 'Jackmanii' is how this plant is referred to in plant taxonomy. Providing the right type of support from the start helps the plant look good and grow well. Too, your soil may be way out of range and a soil test will indicate such. Is miracle gro a good fertilizer for … Fertilizer helps growth and blooms but can not replace planting in good soil. Water deeply immediately after fertilizing your clematis. ), a vining shrub, grows best in U.S. Department of Agriculture plant hardiness zones 3 through 10, depending on the species. To test your soil, you can purchase a test kit at your local nursery and garden center or buy a soil test kit online here. Keep in mind that clematis is a heavy feeder. If blooms fade before midsummer, resume fertilization. Fertilization will encourage root growth during the period when your clematis vine is becoming established. Clematis vines can break very easily. Clematis is at its best in rich soils with good drainage and prefers a neutral to slightly alkaline soil, so first check pH and add lime if needed to sweeten the soil. Simply type one word in the name of a plant into the search at the top of this page and a list of plants files will appear. When a vine can’t find anything to grab, the end stops growing and will die back. Provided with the appropriate growing conditions and adequate care, clematis will bloom profusely in summer, making this vine a showy specimen, perfect for growing on trellises, fences, walls, mailboxes and other types of supports. When to Fertilize a Clematis. Use approximately 1 ounce of bonemeal per square foot of area around the vine. Keep fertilizer at least 4 inches away from the base of the stem. Amend the soil at planting with compost. Because most varieties of Clematis thrive in a wide range of soil pH (6.0-8.0), there's usually not a need to perform a soil test before planting or fertilizing them; however, it may be a good idea to research the various varieties of Clematis you have growing in your garden to see if there are any specific nutritional needs for specific types of perennial plants. Water your clematis enough during the first growing season to keep soil moist but not soggy or wet. Information entered by Gardenality members is not endorsed by Gardenality, Inc. Fertilize your clematis in fall with bonemeal to encourage root growth. Clematis (Clematis spp. Clematis are a little slow to establish themselves after planting.