Juniper Blue Arrow Plant Care

Juniper Blue Arrow Plant Care
Juniper Blue Arrow Plant Care

Juniperus scopulorum ‘Blue Arrow’, commonly known as the Blue Arrow juniper, is a popular choice in many areas. It is a conifer of the Cypress family and is an attractive evergreen. Also known as Blue Arrow Rocky Mountain Juniper.

The most striking features are blue-green and narrow, straight columnar structures. A mature tree will reach a width of 4 feet (1.2 m) and a height of 12 feet (3.7 m).

It has many uses in the garden as they are used for hedges, accent plants and potted plants.

The tree produces few juniper blue arrow plants, but blue-silver berries appear in late spring and persist into winter, adding to the appeal. Another great news for this beauty is that she can perform in a variety of soil types, temperatures and water conditions! Simply put, they are low maintenance plants. It is generally hardy and happy as long as it enjoys full sun and well-drained soil.

Blue Arrow Juniper Blue Arrow Tree Care

Another benefit of the blue arrow juniper tree is that it is easy to grow and requires little maintenance. It can handle a range of soil conditions, temperatures and water supplies. It is generally healthy and happy as long as it has full sun and well-drained soil.

The tree’s blooms are somewhat insignificant, but the blue-silver berries that form in late spring to winter add to the appeal.

The growth rate of the tree is moderate, not slow, but not very fast either. A mature tree will grow about 38 to 46 centimeters per year. The average lifespan of a blue arrow juniper tree is 70 years.

Blue Arrow Juniper Plant Care Basics

First, take a quick look at the facility overview. Knowing about this blue arrow juniper will help you a lot.

Mixed potting soil

As mentioned earlier, this Rocky Mountain juniper is not very good in any soil. One thing is for sure: if you want it to be perfect, aim for slightly acidic soil. Another important point is that the soil drains efficiently. That’s because Root refuses to stand inside

Light

Due to the tree’s hardiness, it can be grown in a variety of situations. Most importantly it needs full sun. Make sure you get at least 6 hours of full sun a day in the morning sun.

However, consider putting them in partial shade during the hottest days of the sun. This is to prevent damage to their beautiful blue leaves.

Irrigation

A newly planted tree needs regular watering until it grows well. Once happy, Blue Arrow will tolerate most situations.

It tolerates a lot of water while being drought tolerant. The key is to have well-drained soil, as it doesn’t like to stand in water.

If water isn’t an issue and it’s a particularly dry period or prolonged heat, deep soaking your tree from time to time can help.

Don’t just splash water around the base as it can do more harm than good. Dip it deep into the ground.

In extremely hot, dry areas, a layer of mulch is recommended around the tree’s drip line. Not only does this help retain moisture, it also prevents weeds from growing in the roots.

Fertilizer

Because it is a hardy plant, Blue Arrow rarely needs to be overfed. All plants need nutrients, so feeding a tree will only help it become stronger and more attractive.

From time to time, a slow-release organic or all-purpose fertilizer can be used to enrich the soil around the roots of the tree. Two or three times a year should be more than enough, unless your soil is particularly poor and low in organic matter and nutrients.

Cutting propagation

Blue Arrow Juniper can be propagated by cuttings. The process may take some time and patience, but it’s not difficult as long as you follow the right process. The best time for cuttings is summer.

Choose a healthy plant and look for new cuttings that are just starting to harden but not yet too woody. It is recommended to take more cuttings than needed as your success rate will not be 100%.
Prepare the ground for cutting in advance. Use equal parts perlite and peat in a large container and add water. Mix soil and water and wait half an hour for the water to absorb. You want a moist consistency, not a runny mixture. Add more water if needed.

Use a perforated pot for drainage. A 6-inch plastic pan is ideal. Fill the pot with the prepared mixture.

Use sterilized sharp scissors to cut about 6 to 8 inches in length. Remember to keep an eye out for healthy new growth that is just starting to harden.

Remove all needles from the bottom third of the incision. You can make shallow cuts in bare stems to help absorb water and rooting hormones.

The clean tip of the cutting end must be dipped in a good quality liquid or rooting powder. Use the product as directed. Make sure you’re using the correct rooting hormone for the semi-hardwood cuttings and that the tips are generously coated.

Pests

While healthy blue arrows are tough and resilient, they are not immune to pests and diseases. You must be aware of certain issues.

The most important pests are juniper scales, spruce spider mites and bagworms. Aphids and caterpillars may also pose a threat in some areas.

Branch rot and canker are the main diseases to watch out for. There are a few others that also pose potential threats. We’ll look at each in turn.

Juniper blu arrow scale

Juniper scales (Carulaspis juniperi) have very similar characteristics to spider mites. Once infected, the needles on the tree will turn brown or yellow after a while. Whole branches may die. It looks bad if left untreated, and this infestation can kill the tree within a few years.

You will need to check the tree regularly, especially if you notice any signs of stress or discoloration. The scales are very small and usually look like pimples. They are more common at the base of an infected needle.

Depending on age, they can be white, grey or black. They also usually leave a sticky trail called honeydew.

Over time, this secretion can build up, leaving black, shiny spots on the needles. Usually it attracts ants.

This requires treatment with an insecticide designed specifically for dander or juniper scale. It is important to inspect the tree after use and reapply if necessary. This may need to be repeated several times to resolve the issue.

Spruce red spider

Another problem is spider mites, especially the spruce spider mite (Oligonychus ununguis). These pests are small and hard to spot.

Mites use sharp mouths to suck sap from trees. After eating, small yellow spots are often seen. This is easier to notice than the mites themselves. You may also see brown or dropped needles.
After some time, small “nets” can be noticed. This infestation also makes the tree look unsightly and may eventually kill it after a few years.

Spruce red spiders are more common in cold seasons, unlike common red spiders that appear during hot, dry seasons. During the warm summer months, they are often controlled by predators.

Therefore, you should avoid pesticides as much as possible, as they also kill natural enemies like ladybugs. Killing these predatory insects may make the problem worse in the long run.

Fortunately, there are insecticides that can help control spruce spider mites while also causing minimal damage to their enemies.

Look carefully at the labels and do your research. Another solution to the problem is to use powerful water jets. This may need to be done frequently to be effective.

Severe infestations may require stronger pesticides. Place a piece of white paper under the branch and hit the branch.

You should see mites on the paper. If this number is large, the tree is threatened. Choose an insecticide that specifically targets spruce spider mites and check regularly. Repeat the process until you are sure the problem is resolved.

Juniper Blue Arrow Plant Care
Juniper Blue Arrow Plant Care

ProPlant Care Tips

To establish the plant’s root system, give blue arrow juniper deep water regularly. However, with this variety, you should be careful not to water too much. Once your plants are rooted, they rarely need supplemental water, except in warmer climates.

Blue Arrow requires only two things: full sun and well-drained soil. With only these two requirements, growing plants is a breeze.

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