Blue Arrow Juniper

Blue Arrow Juniper Care Guide

Blue Arrow Juniper Care Easy Know:

The Blue Arrow Juniper Tree is a very popular preference in many areas. It is a Coniferous tree from the Cupressaceae’s own family and is an appealing evergreen. It is likewise referred to as the Blue Arrow Rocky Mountain Juniper. The most putting capabilities are the blue-inexperienced color and the slim straight columnar shape. A mature tree will attain a width of 4 ft (1.2 meters) and a height of around 12 feet (three.7 meters).

It has many makes use of within the lawn as they may be used for hedging, as accessory flora and pot flora.

Blue Arrow Juniper

Blue Arrow Juniper Tree Care:

The other benefit of the Blue Arrow Juniper Tree is that it is simple to grow and requires little renovation. It can handle a range of soil situations, temperatures, and water delivery. So long as it has complete sun and well-draining soil it’s far commonly healthful and glad.

The tree does produce particularly insignificant plant life but the blueish-silver berries that form toward the quit of spring thru wintry weather upload to the attraction.

The increased pace of the tree is medium, no longer gradual however now not precisely speedy. A mature tree will develop more or less 15 to 18 inches (38 to 46 cm) according to year. The average life of the Blue Arrow Juniper Tree is around about 70- years.

The beginning Of Blue Arrow Juniper:

The starting place of this cultivar dates again to 1949. This is where it turned into decided on as a seedling at the “Pine Grove Nurseries, Clearfield, Pennsylvania.”

It has come to be a popular choice among gardeners and landscapers and is frequently used instead for the extra not unusual Skyrocket (Juniperus scopulorum ‘Skyrocket’). This is essentially due to the striking look as well as the benefit of upkeep.

Blue Arrow Juniper Tree Care Ultimate Guide:

Soil requirements:

  • Fortunately, the Blue Arrow Juniper isn’t too fussy about the sort of soil it grows in. It can manage most soil sorts and a wide variety of pH stages.
  • If you want it to be ideal, the goal for barely acidic soil. The only unique soil requirement is that it is well-draining. The roots do not want to stand in water.
  • If you are planting a new Blue Arrow from a garden middle. It’s miles constantly pleasant to put together and improve the soil to present it a simpler beginning. This will allow the plant to conform to the new environment and start to develop easily.

Planting the Blue Arrow Juniper Tree:

  1. Once you’ve got determined the area or locations for the planting of your new Blue Arrows, mark out the exact spots. Clear the vicinity and dig a hollow this is slightly deeper than the bag or pot it came in and twice as wide.
  2. You can upload a few mulches around the facets of the hole however do not permit them to return into touch with the tree.
  3. The mulch will assist to hold water at the same time as the tree is organizing itself. You also can upload a rooting useful resource such as Mycorrhizal root development. Again, this just helps it to settle and modify quicker.
  4. Remove the tree from the bag or pot and carefully loosen the roots. If they have fashioned a tight cluster from being pot-certain, you want to be an affected, person.
  5. Use a hose to loosen the roots if necessary. Place the tree into the hole and make certain that the trunk is planted to the precise equal depth because it was earlier than. Fill the hollow with a combination of half-rich natural compost and 1/2 the authentic soil.

Firm the soil down. Do no longer create a mound or hollow, actually flatten the soil. Water the new plant straight away after which every few days for a few weeks.

You can replant at any time of the 12 months despite the fact that spring is ideal.


  • The Blue Arrow Juniper Tree can tolerate an extensive range of temperatures once it’s far established. It likes full sun and may handle warm dry conditions but is also capable of withstanding cold winters. This makes it extraordinarily versatile for a wide range of places.
  • The plant region is listed as appropriate for zones 3 to 7. In reality, if planted correctly, it grows nearly everywhere.
  • The Blue Arrow is often planted in areas that show to be too cold for the famous Mediterranean/Italian cypress (Cupressus sempervirens). This variety does not handle bloodless winters even as the Blue Arrow will come out simply quality.


  • Given the hardiness of the tree, it is able to be used in many locations. The essential thing to endure in mind is that it needs complete solar. As we’ve got stated above, you furthermore may want a place wherein the soil drains nicely. A boggy marshy place will not be suitable.
  • The Blue Arrow Juniper Tree is tremendously flexible. The neat and appealing columns make it best for screening.
  • It will make an extraordinary show when planted out as a privateness hedge. The shape and shade also make it a great accent plant particularly in case you are looking for a vertical accent in sure regions. It also looks desirable in preferred lawn positions by myself or in clusters.
  • Another way the Blue Arrow Juniper Tree is used efficiently is in pots. This will manifestly inhibit the boom of the tree, so it’s far pleasant to head for pots of a respectable size.

Ensure the pot has drainage and is placed in complete or close to the whole solar. The relaxation of the care advice could be equal for potted bushes. But they might need a bit greater watering than the ones inside the floor.

The root device of the Blue Arrow isn’t always invasive like many trees however will unfold because it searches for water.

Do plant it too near barriers, partitions, or paving. The fibrous roots may want to potentially cause damage to structures that can be very near the base of the tree.

How to take care of the Blue Arrow Juniper Tree?

These are low renovation timber that, once hooked up, need particularly little care or treatment. They are hardy, difficult, and resilient.

Here are the principal things to hold in thoughts whilst worrying about your Juniperus scopulorum ‘Blue Arrow’.


  • A newly planted tree would require normal water till it’s far properly hooked up. Once the Blue Arrow is satisfied it is going to be tolerant of maximum situations.
  • It can deal with lots of water at the same time as it’s also drought tolerant. The key’s to have properly-draining soil as it does now not like to face in the water.
  • If water isn’t always an issue and it’s been a specially dry spell or a prolonged hot duration. It’d assist to provide your tree a deep penetrating soak every now and then.
  • Do not actually splash water across the base as this will do extra damage than correct. Let it soak deep into the soil.

In extremely hot dry regions, it’s miles sensible to add a layer of mulch around the drip line of the tree. Not only will this assist to preserve moisture in however additionally prevents weeds from developing at the bottom of the tree.

Trees planted in pots will require water once in a while. Again, ensure there is ideal drainage. If the tree isn’t getting rainwater, give it an amazing watering once each 7 to ten days. Greater if it is extraordinarily hot.


  • Being a tough hardy plant there’s little need to fertilize the Blue Arrow excessively. All flowers want nutrients so feeding the tree can most effectively help to make it extra robust and attractive.
  • A gradual-release natural fertilizer or all-purpose fertilizer can be used to enhance the soil across the base of the tree every so often. Two to three instances in keeping with year ought to be greater than enough until you’ve got mainly negative soil that is low in natural depend and vitamins.
  • You can deliver them fertilizer at any time of the 12 months, but early spring and summer is the most important time. Do not vicinity the fertilizer close to the trunk as this will purpose root burn.
  • Feed potted Blue Arrows in the same manner.


There are approaches to propagate the tree, cuttings, and seeds.

Propagation from cuttings:

The Blue Arrow Juniper may be propagated from cuttings. The process can take time and persistence however isn’t always that difficult provided you observe the right manner. The first-rate time to take cuttings is in the summertime.

Select a healthful plant and look for new cuttings which are just starting to harden but no longer but too woody. It is recommended that you take many greater cuttings than are needed as your success price will not be a hundred-percentage.

Take the slicing in the morning and pot them immediately.

The technique that wishes to be accompanied:

Prepare the soil for the slicing earlier. Use perlite and peat moss in the same amounts in a massive container and add water. Mix the soil and water and permit half an hour for the water to be absorbed. You want a moist consistency but no longer a runny mixture. Add extra water if necessary.

  1. Use a pot that has a hole for drainage. A 6-inch plastic pot is good. Fill the pot with the combination you’ve got prepared.
  2. Using sharp shears which have been disinfected, cut off a period of roughly 6 to eight inches. Remember to search for the healthful new increase that is just starting to harden.
  3. Remove all the needles from the decrease third of the reduction. You can reduce shallow slits in the exposed stem to aid in water and rooting hormone absorption.
  4. The smooth tip of the slicing gives up wishes to be dipped in a nice liquid or powder rooting hormone. Use the product according to the directions. Ensure you’re the use of the proper root hormone for semi-hardwood cuttings and that the pointers are coated generously.

Another Technique:

Push the coated stop of the reducing into the organized soil mix. You need to insert it to a depth of between a 3rd and half of of the reducing. Using a sprig bottle, mist the reducing and at ease a plastic bag over the pot. Use clean plastic and ensure it’s miles stored faraway from the cuttings.

  • The cuttings want to be located in a warm and vivid environment however no longer in direct sun. A temperature of 60º to 70º F is right.
  • Remove the bag and mist the flowers daily and upload water to the soil combination if it becomes dry.
  • Only take the baggage off as soon as the new increase is visible. The cuttings could take as long as 6 to 8 weeks to root.

Propagation from seed:

  • This is a sensitive and difficult system that takes effort and time.
  • This is the manner to propagate the Blue Arrow Juniper tree from seed:
  • The Blue Arrow produces berries, and those are mainly located in winter. Collect the sparkling ripe berries. Select wholesome berries which might be undamaged and that are ripe.
  • You then want to soften the outer layer. Do this in a solution of one gallon (3.8L) of water to a teaspoon of. Leave them to soak for an afternoon or two. Remove, rinse, and permit to dry.
  • Using a mesh, eliminate the pulp by way of rubbing the softened berries. Place the extracted seed into a bowl of water. Use best the seeds that waft as those who sink will not germinate.

The next step is to boil a pot of water and flip it off as soon as boiling. Place the seeds into the new water. This will scarify them. Once the water has cooled get rid of the seeds and permit them to dry once more. Another way to scarify the seeds is too hard them up with a document or sandpaper.

Seeds Tips:

Place the seeds right into a resealable bag that has been 1/2-filled with wet sand or peat moss. This desires to be positioned in a heat place, preferably, among sixty-eight and 86º F. Ensure it stays moist and mist if essential. These need to be left for two to 6 months.

The bag then wishes to be refrigerated at approximately 41º F for 3 to 6 months.

Once this stratification process is whole, plant the seeds out into a seed tray. This needs to be packed with potting sands or moist peat moss. Insert them to an intensity that is the same as their diameter. Cover the tray with plastic wrap to hold the moisture in.

The tray ought to be positioned in a heat vibrant area but not in direct daylight. Once the seeds have started out to germinate the tray may be moved into greater direct light.

When they have got grown to the scale of the tray compartments they may be potted out into large pots. Ensure these have suitable soil and drainage and water every few days.

Once they’re hooked up and wholesome, they can be planted out into the lawn. This is pleasantly finished in spring.


  • Most humans will discover that the Blue Arrow Juniper Tree wishes little to no pruning. If it’s miles looking scraggly or there are unhealthy parts or untidy branches protruding, you can cut those returned to neaten the tree up.
  • The best time that pruning is essential is if your tree is diseased. If you can’t treat the problem quickly and efficiently you need to prune returned the inflamed location in addition to the area surrounding it. This will prevent the disorder from spreading in addition. Destroy the pruned material.
  • If you locate you are having a problem with disorder manipulation it may be a lack of airflow. In this situation, prune selected areas to skinny the tree out and enhance airflow.
  • If you are developing the tree in a pot you may need it to be ideal. You can educate the boom from a younger age.

In spring, reduce returned the terminal hints to preserve the assumed upright profile of the Blue Arrow. This thins the tree out slightly to open it up and do away with any useless or loss of life growth.

Pests and diseases:

  • While a healthy Blue Arrow is tough and resilient, they’re no longer proof against pests and sicknesses. One desires to maintain an eye out for positive issues.
  • The primary pest issues are the juniper scale, Spruce spider mite, and bagworm. Aphids and caterpillars could also be a risk in some regions.
  • Twig blight and canker are the main diseases to observe out for. There are some others that might be adding an ability risk. We will look at each one in flip.

Juniper Scale:

Juniper scale (Carulaspis juniperi) affords remarkably similar signs to spider mite. Once infested, needles at the tree will turn brown or yellow after a while. Entire branches would possibly start to die. When left untreated it looks ugly and the infestation could kill the tree in some years.

  1. You want to investigate the tree frequently, in particular in case you note any signs of distress or discoloration. The scales are especially small, often looking like tiny bumps. Juniper is more common on the underside of infected needles.
  2. They may be white, gray, or black, relying on their age. It also commonly go away on a sticky path called honeydew.
  3. Over time, this secretion builds up and leaves dark vivid patches over the needles. It usually draws ants.

This desires to be dealt with with an insecticide particularly for scale or Juniper scale. It is important to investigate the tree after use and reapply as required. This may need to be executed in several instances to get rid of the problem.

Spruce Spider Mite:

  • Another hassle is spider mites specifically Spruce spider mites (Oligonychus ununguis). These pests are small and tough to stumble on.
  • The mites suck sap from the tree with sharp mouths. Small yellow spots are often seen once they have been feeding. This is less difficult to note than the mite itself. You might also see brown or dropping needles.
  • After some time, small “webs” are probably noticed. Again, this infestation makes the tree appear unsightly and could in the end kill it after some years.
  • Unlike everyday spider mites that appear in the warm dry season, Spruce spider mites are greater generic in bloodless times. Often controlled through predators within the heat summer season months.

Pesticides Control:

For this cause, you need to try and keep away from pesticides. If feasible as those will even kill off natural predators including ladybird beetles. Killing those predator bugs ought to make the hassle worse in the long-term.

  • Fortunately, there are pesticides available with a view to helping to govern the Spruce spider mites. While inflicting minimum harm to their predators.
  • Look on the label carefully and do your research. Another way to treat the hassle is with a robust jet of water. This might need to be done regularly to be powerful.
  • A critical infestation might require a more potent insecticide. Place a sheet of white paper underneath a branch and hit the department.

If there may be a vast wide variety, the tree is in danger. Select a pesticide in particular for spruce spider mite and inspect it frequently. 


Bagworm (Thyridopteryx ephemeraeformis) is any other pest that enjoys conifers and is on occasion a risk to the Blue Arrow Juniper Tree.

  • A terrible infestation will eventually kill the tree even as milder amounts really inhibit the growth of the tree.
  • The moths are relativity small with the girl being yellow and the male darkish and furry. The larva has a silk bag that tapirs on the cease.
  • This fills with plant depend as the larva eats. It grows up to around 2 inches.
  • When the larva emerges and mate, the woman can produce as many as 1000 eggs before dying.
  • Again, those pests have several herbal predators that assist to keep them in taking a look at. You also can manually remove and smash them while spotted.

If the infestation is extreme a bacterial insecticide ought to be used. Follow the education on the product for satisfactory outcomes.


  • As with maximum pests, the pleasant protection is to keep the tree wholesome. Aphids usually prey on vulnerable pressured timber.
  • Most human beings are familiar with aphids and that they have to be easy to discover and discover. The aphids that assault junipers are large and darker than common aphids.
  • They additionally go away a trail of honeydew as they devour and once more, this often attracts ants.
  • The first sort of treatment advice is to manually eliminate the aphids (and the ants if present) by using a hand or with a robust jet of water.

If that is unsuccessful or the infestation is rampant, buy an aphid precise insecticide and use it as directed.

Diseases Guide:

Twig blight:

This is diagnosed by way of browning or graying of the guidelines of the branches. It sometimes spreads deeper down the branch. This desires to be handled by way of pruning all regions which can be inflamed. A removed cloth ought to be destroyed, and a fungicide implemented to new increase.


There are numerous sorts of a canker that affect exclusive plants and trees. The important one that assaults Junipers is referred to as Seiridium or Cypress canker. This is a severe sickness that could motive sizable damage.

  • Part of the task is that it could take a yr earlier than any signs of contamination are seen. You will subsequently see browning or yellowing as branches die.
  • The canker then spreads to other branches. Untreated or left too past due the tree can die.
  • Below the affected branch you might discover a red-colored region sunken in. This frequently consists of fruiting matter, blister-like lumps, and bumps.
  • These are known as pycnidia. When it is wet, they open and sap drips from the rims of this location. Infectious spores are launched while this occurs and the canker spreads.
  • Infection may be due to animals or insects that have eaten a part of the tree or from a garden gadget that has cut or damaged an area. Hail and horrific weather are different capacity reasons.
  • In some instances, the canker is contained and does now not unfold. It can truly be removed, and the inflamed elements destroyed.
  • It is also more likely to affect flowers that are pressured and dangerous as a result of drought or other strain elements.

Disease Control:

There are not any chemical manner to control this disease. It has to be executed manually by putting off the affected elements in addition to the vicinity right away above and beneath the contamination.

  1. If the tree is wrongly inflamed and the canker has unfolded, it’s far first-class to do away with the tree altogether.
  2. There is a few pieces of evidence that fungicide that carries mancozeb may want to lessen the chance of infection and probably gradually unfold in an inflamed tree.

The fine way to prevent it’s far to make certain the plant is healthy and has sufficient vitamins and water. You additionally need to make certain it isn’t broken by lawn equipment or wildlife. When cutting or pruning make sure the device is sharp and sterile.


The Blue Arrow Juniper Tree will appearance correct in most gardens which is why it’s miles this kind of favorite with professional landscapers as well as gardeners. It has a spread of makes use of and looks terrific all yr-spherical. What is extra, is that it’s far a low-renovation plant that is straightforward to develop and care for.

You have little to fear approximately in terms of climate, watering, soil, fertilizer, pruning, and even pests and sicknesses. If you do no longer already have any, recollect adding some Blue Arrows to your garden.

Given the popularity of this tree, they’re commonly pretty smooth to discover and pricing is affordable. Invest in some Blue Arrows, you may no longer remorse it.

Why are my Blue Arrow Junipers turning brown?

There might be several reasons for this. Diseases such as twig blight are one of the reasons or it is able to be a pest infestation including spider mites or scale. See the section on illnesses and pests above to pick out and rectify the trouble.

Although rare, it can be due to a nutrient imbalance if the soil is particularly terrible. Soil may be tested to peer if this is the case and an exceptional nicely-balanced fertilizer will treat this problem.

Are Blue Arrow Junipers Vulnerable To Root?

This could be very not going however possible if the soil is soggy and has poor drainage. The bushes are tolerant but do not like to have their roots moist for extended periods. Make positive the region you plant has soil that drains nicely.

Will deer and different flora and fauna eat my younger Blue Arrow Juniper saplings?

While this is mostly a problem it is lucky that deer and most different grazers generally avoid the Blue Arrow.

Does the Blue Arrow attract birds to the lawn?

Birds are especially keen on the berries that develop from overdue spring through to wintry weather.

Is the Blue Arrow hard to appearance after?

While it isn’t always indestructible it is extremely hardy and tolerant of a number of conditions. It isn’t too fussy approximately the soil great, water, and temperature. It is likewise tolerant of pollution. Full sun and decent drainage are the primary stuff you want to make certain.

Once hooked up there are little paintings to do and the Blue Arrow will provide delight all yr-spherical.

What kind of lawn is the Blue Arrow Juniper first-rate suited to?

It will look awesome in a number of garden patterns and is an extremely flexible tree. It is popular in Mediterranean styles, formal gardens, and Zen-fashion environments.

Many human beings use one or numerous Blue Arrows to feature peaks and create an accessory spot inside the lawn. 

If I am planting the trees in a row, how ways apart do I location them?

If you need to create a display effect, plant them three ft (1 meter) aside. This is measured from the middle of the trunk.