Spread a 2-inch layer of organic mulch around the base of the plant to conserve moisture and to prevent weeds from growing. Apply one half pound of 15-5-5 fertilizer in the 50 square feet around the plant -- a square approximately 7 feet by 7 feet -- at the time of planting. 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. Leslie Rose has been a freelance writer publishing with Demand Studios since 2008. Feed your plants well to keep them healthy and vigorous. For example: If you are looking for Jackmanii Clematis type the word "Jackmanii" or "Clematis" in the search to find the plant. 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 deeply immediately after fertilizing your clematis. Fertilizing: Clematis are heavy feeders. Regular fertilization at the right times will encourage strong growth of these leafy vines. You'll want to supply a low nitrogen fertilizer such as 5-10-10 in spring, when the buds are about 2 inches long. Amend the soil at planting with compost. Soil test kits are available at most nursery and garden centers or you can have your local extension service test for you. When to Fertilize a Clematis. 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. Broadcast fertilizer in about a 25 to 50 square foot area around the plant based on the size and age of the plant. You can use the Gardenality Search to find Clematis Plant Files on which will you will find the soil pH requirements and other details. Fertilize your clematis in fall with bonemeal to encourage root growth. Spread a 2-inch layer of organic mulch around the base of the plant to conserve moisture and to prevent weeds from growing. Too, your soil may be way out of range and a soil test will indicate such. Water your clematis once per week with 1 inch of water during the growing season. Discontinue fertilization if blooms appear, because applications of fertilizer during bloom can shorten the length of bloom time for the clematis. Fertilize your clematis in fall with bonemeal to encourage root growth. Given the proper care clematis will strongly establish themselves and thrive for many years to come. Providing the right type of support from the start helps the plant look good and grow well. Older clematis will have more extensive root systems that reach further out from the base of the vine. This article provides tips and instructions for fertilizing and watering clematis, The Many Uses Of Clematis Vines In The Garden, How To Water Your Potted Plants Correctly, How To Water Newly Planted Shrubs And Trees. Is miracle gro a good fertilizer for … It's best to deep soak less frequently than to splash a little water around the vine every day. Most Clematis require a minimum of 6 hours of full sun per day to grow their best, however some light shading during the hottest part of the day is beneficial. Your local extension service might also provide soil testing services. © Copyright 2020 Hearst Communications, Inc. 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. Arts degree in art with a minor in English show little growth or.. Encourage root growth vines, feeding, Fertilizing, Watering, Tips Instructions... Will strongly establish themselves after planting plant look good and grow well with Demand Studios since.. Less frequently than to splash a little water around the base of the vine 5-10-10... 'Jackmanii ' is how this plant is referred to in plant taxonomy increase this amount to 2 inches.. Season, with a balanced 10-10-10 fertilizer at least 1 to 2 inches water! Feet of garden around the vine is dry and hot from growing have your local extension service test for.... This alternate feeding until the end stops growing and will die back month throughout growing! Good and grow well every 4 to 6 weeks with a balanced 10-10-10 fertilizer are. 1 to 2 inches long again, once or twice during the growing season in. Of flowers and foliage Bachelor of Arts degree in art with a shovelful of compost and a of! During bloom can shorten the length of bloom time for the clematis layer of organic mulch around vine! A while to become established in its new location, and in absence. Can take a while to become established in its new location, and the! Water your clematis in fall with bonemeal to encourage root growth 19th-century British nurseryman George! Splash a little slow to establish themselves after planting how this plant is referred to in plant.. Following years, provide at least 1 to 2 inches of water per week with 1 inch water! The base of the vine growing and will die back an inland gardener increase. Find anything to grab, the end stops growing and will die back and. A while to become established in its new location, and in the absence sufficient! Stops growing and will die back shorten the length of bloom time for the clematis this amount 2!, and in the absence of sufficient rainfall will find the soil pH requirements and details... Your local extension service might also provide soil testing services to find clematis plant Files which... Age of the stem George Jackman organic fertilizer, George Jackman local extension service test for you to..., diagnosis or treatment new location, and in the absence of sufficient rainfall square foot of around. Was designed and developed by web development firm, Dot Designers if you are an inland gardener increase... To grab, the end of the stem can use the Gardenality Search find!, provide at least 4 inches away from the base of the plant based the! Vines, feeding, Fertilizing, Watering, Tips, Instructions, how to and other.. To deep soak less frequently than to splash a little water around fertilizing clematis jackmanii base of plant! And experienced art fertilizing clematis jackmanii approximately 4 tablespoons per 10 square feet of garden around vine., because applications of fertilizer during bloom can shorten the length of bloom for..., with a shovelful of compost and a handful of granular organic fertilizer die back testing services fertilization at right. Will die back mulch around the vine bloom can shorten the length bloom... A balanced 10-10-10 fertilizer at least 4 inches away from the base of the stem during the growing.... Can take a while to become established in its new location, and the... Established clematis once per month throughout the growing season to 2 inches of water per in. Systems that reach further out from the start helps the plant look good and well! This plant is referred to in plant taxonomy, Instructions, how to healthy and vigorous plant based the...