First, you need to cover all the wounds of tree wound sealer after pruning.eval(ez_write_tag([[728,90],'worldofgardenplants_com-leader-3','ezslot_8',120,'0','0'])); If you find this disease, prune the affected branches until the disease reaches the main trunk. This site also participates in affiliate programs with other sites and is compensated for referring traffic and business to these companies. Soil Drainage. Dig spruce with roots and earth. Add to this the heat and the chances of survival are greatly reduced. Well-drained and loose soil will be best suited for growing these plants. Also, the soil at this time retains summer heat, and in warm soil, the roots are formed very quickly. Many years back we had planted 5 blackhill spruce and 2 Austrian pines. If you cannot plant an older spruce in early spring consider planting it in the late summer or early fall. In order for grafting to succeed, you need strong rootstocks and strong cuttings. This is a common mistake for beginners. I recommend spraying spruce with various fungicides several times a year for prevention.eval(ez_write_tag([[250,250],'worldofgardenplants_com-mobile-leaderboard-1','ezslot_12',121,'0','0'])); Blue spruces do not need pruning, especially when it comes to conical varieties. Feeding with organic fertilizers such as compost or humus can have some effect, but increases the risk of root rot. The plus side to clay soil is that it's loaded with nutrients! In this situation, the plants will grow very vigorously and may lose their decorative characteristics. This poor structure is caused by the qualities of the clay particles in the soil. Burn the branches or take them away from the yard. Instead of 2-3 times as wide as the root ball, you should dig the planting hole five times as wide as the root ball. Therefore, do not plant blue spruce in the summer. I mean, you shouldn’t dig the trunk into the ground. I have found that it grows fairly well in "clay" soil. As I mentioned earlier, immediately after planting, you can water the spruce with liquid fertilizer, and it will give a short-term effect for better rooting. However, let’s first determine the best substrate for these plants and then talk about other options. I feed spruces once a year. Recently someone asked in a comment if I had written a post showing my process for planting shrubs. In the case of online shopping, read what other buyers say about this online store. Fill the substrate into containers at least 10 inches deep. Also, remove the galls from the spruce. In the spring after the risk of frost has passed, dig a hole slightly larger than the root ball of the tree you are planting. This pest can be controlled only with the help of special pesticides called acaricides. I rarely water them. The second method of reproduction is by seed. In early spring, I add 0.5-3.5 ounces to each plant depending on its size. However, if you want to keep them healthy, I recommend watering them anyway. In my garden grow dwarf varieties whose annual growth does not exceed 1 inch. In general, this is a long and complex process. For transplanting, it is better to choose a cloudy morning or evening. Red Japanese maples with very dissected leaves are just fabulous plants. If you do not have such an opportunity, then make at least a good drainage. There is clay soil that crumbles as it dries or is slightly moist, and then there is the denser clay … Colorado Blue Spruce Planting Guide. While the plants listed prefer or tolerate clay conditions, it’s always good to amend the soil with compost on a routine basis to provide nutrients for the plants. 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