Stratification, which is placing seeds in cold temperatures for a period of time prior to germination, is not necessary to germinate the seeds. Also, do not plant spruce in winter. If 20% of the cuttings take root, then for a beginner, it can be considered a success. It probably won’t die but as I said above it won’t have a nice blue color. The cultivation of any spruce, not only blue, begins with the harvesting of seeds. Of these trees the maximum... Cuttings at home. It is necessary to water if there was no rain. 6-8 hours of sunlight a day is enough for them. There are two options. This inexpensive and easy starter kit includes germination seed and easy to follow instructions. Many argue that potted spruce can be planted at any time other than winter. Don’t use a stratification process when germinating your Colorado Blue Spruce seeds. Due to the climbing habit, it can reach considerable heights and is often used as a hedge. Also, water the plant regularly but not with plenty of water.eval(ez_write_tag([[336,280],'worldofgardenplants_com-large-leaderboard-2','ezslot_21',111,'0','0'])); The second unfavorable period is winter. If you do not control this pest, it multiplies very quickly. link to Amethyst Falls vs Blue Moon Wisteria: Must Read Before Making a Decision, Rhizosphaera Needle Cast, Cytospora Canker. Blue spruce: plant brief. Norway spruce eventually grow to 25-30ft. Many sellers sell improperly grown, low-quality plants with pests and diseases. This distinguishes Blue Spruce from Norway Spruce, which can withstand significant shading. Here I will not delve into the grafting process as it is a big topic. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. This is not a necessary condition, but it will give a little incentive for growth. Then add a little soil if there is not enough. In order for grafting to succeed, you need strong rootstocks and strong cuttings. The Colorado Blue Spruce tree (Picea pungens) is a medium-sized evergreen that grows slowly and steadily. Sarah Terry brings over 10 years of experience writing novels, business-to-business newsletters and a plethora of how-to articles. As I said, blue spruce after planting needs watering once a week if there is no rain. In general, I almost never have problems with pests on spruce trees because I regularly spray them with systemic insecticides, which I advise you to do. Do this easily so as not to damage the roots. Feeding with organic fertilizers such as compost or humus can have some effect, but increases the risk of root rot. So here we will focus... Winter cuttings. Grow your own Colorado Blue Spruce Tree from seeds. Save 5% on 3 select item(s) FREE Shipping. I completely agree with this, and I also have a variety of Glauca Globosa Blue Spruce, it is also bright but still different from the previous one. Therefore, if possible, plant them earlier. One of the cultivars to grow is 'Glauca,' which is a Latin word that indicates a grayish-blue color. This will help the plant to establish itself more easily in the new place, and will also reduce the consequences of transplant shock. Also, everything should be done in a greenhouse with high humidity. I planted spruces several times in the winter, most of them survived. 95. Free, fast shipping on orders over $75. The second suitable time of year is autumn. Store them in a paper bag, where they will mature and dry. You should plant your plants at a sufficient distance from each other; this will ensure air circulation between them. It can take 35 to 50 years for a Colorado blue spruce to grow 30 to 50 feet. Often one spray is not enough, so repeat if necessary. Don't use a stratification process when germinating your Colorado Blue Spruce seeds. Put it there and cover it with the earth, after transplanting, water the plant regularly but with a moderate amount of water. All of the above ways of planting blue spruce seeds are suitable for cuttings. My recommendation for this chapter is to plant blue spruce in spring or autumn. From my experience, I can say that spruce is not very tolerant of transplanting. If there is not enough sunlight, there will be no wax coating, and the plant will be green. Put them in a wet paper towel, then back into the plastic bag, a⦠Sow seeds into pots filled with a soilless seed ⦠Also, the soil at this time retains summer heat, and in warm soil, the roots are formed very quickly. I will tell you about all my blue spruces and how I grow them in this article. Terry has written articles and publications for a wide range of markets and subject matters, including Medicine & Health, Eli Financial, Dartnell Publications and Eli Journals. Characterized by rustic silvery-blue needles, this evergreen tree reaches a height of 30 to 70 feet and is a popular Christmas tree choice. There should be drainage holes in the bottom of the containers. In early spring, before new branches and needles begin to form, you need to cut the annual shoots that formed last year. I do not recommend doing this because compost can cause root rot. In this way, the plant is protected from excess sun. If you deepen the trunk, then it can rot, and you will lose the plant. It was a variety of Hoopsii, and according to many breeders, it has the brightest blue color among all varieties of this species. In 10-15 days, young plants should appear. Provide adequate supplemental light. Learn which plants thrive in your Hardiness Zone with our new interactive map! The roots should not be strongly entangled in the pot. Grow zones: Blue spruces can be planted in zones 2-7. Unfortunately, there is no cure for this scourge; the methods of control are to avoid infection. I also have a Glauca Globosa Blue Spruce, it is not quite large, but it needs pruning to give it the right shape. Also, the roots should not contain insects, larvae, or eggs. In nature, Colorado Blue Spruce seeds germinate in the spring or summer, after dispersal from the tree. Plant Colorado blue spruce in a hole that is as deep as the root ball and two or three times as wide. Transfer the containers to a shaded greenhouse. The soil around should be moist but not wet, keep it that way in the future. The easiest way to multiply Blue Spruce is by seeds or cuttings. However, there are cases when it makes sense to prune these plants. This is difficult and, at the same time, exciting process. Because they, depending on the variety, grow quite quickly and will make it difficult to move through the yard.eval(ez_write_tag([[250,250],'worldofgardenplants_com-box-4','ezslot_1',109,'0','0'])); There should also be no stagnant water at the landing site. I even have a variety of red cones called Hermann Naue. Grow the official State Tree of Colorado from seed! Blue spruces love moist soil but can withstand drought. The most effective method of controlling it is systemic pesticides. Seal the bag and leave it on a window sill for roughly one month. It is better to choose the morning or evening. Place the spruce seeds onto the damp paper towel. Blue spruce seeds require a considerable period of light to germinate: 14 to 16 hours per day. These insects feed on the sap of the plant, and as a result, the branches and needles begin to wither and die.eval(ez_write_tag([[250,250],'worldofgardenplants_com-portrait-1','ezslot_23',118,'0','0']));eval(ez_write_tag([[250,250],'worldofgardenplants_com-portrait-1','ezslot_24',118,'0','1'])); Signs of the presence of Gall adelgids are deformed growths on the branches called galls. Insects can intercept between the branches, so be sure to look there to make sure everything is clean. Cut the cuttings with the “foot” with which they are attached to the main branch. The advantages of this time of year are the lack of heat and sufficient humidity. The last way to increase the number of these plants is grafting. I bought it a year ago from a reputable area nursery, and last spring it did put out new growth. Outwardly it looks like browning and falling of needles on one or two branches. If you do not act in time, you can lose the tree. Indeed, what could be more beautiful than a flowering tree? Ok, let’s talk about watering. The tree is hardy in USDA plant hardiness zones 3 through 7. Also, if possible, shade the spruce for several months. COPYRIGHT © 2020 WORLD OF GARDEN PLANTS. Over time, this curiosity grew into a hobby, now in my collection a large number of various plants. Colorado Blue Spruce seeds will germinate on a wide range of media, but they will germinate quicker on mineral soil because this mimics its natural germination conditions. However, let’s first determine the best substrate for these plants and then talk about other options.eval(ez_write_tag([[250,250],'worldofgardenplants_com-leader-1','ezslot_7',112,'0','0'])); In my opinion, the best soil will be ordinary garden soil or loam mixed with peat. Avoid planting on sunny days. Seedlings are more sensitive to proper daytime temperatures than nighttime temperatures. In early spring, I add 0.5-3.5 ounces to each plant depending on its size. In autumn, transplant no earlier than October 10-15. To stratify indoors, mix the seed with a moistened, sterile, peat based growing medium in a container, wrap in a ventilated bag, and place it in a refrigerator for 12 to 20 weeks. First, you can raise the crown of the plant by cutting a few lower tiers of branches. Unlike the previous disease, this will not damage the branches. However, I noticed that they are slightly behind in growth from others. 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