Buy Juniperus scopulorum Skyrocket online from Jacksons Nurseries
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Juniperus scopulorum 'Skyrocket'

Rocky Mountain Juniper

£19.99
11400
Out of stock

At a Glance

This is a tall and narrow conifer with evergreen, bluish-green foliage and a columnar growth habit. It is a compact grower which makes a striking and dramatic architectural plant, perfect for planting either side of a gate or entrance, along a large fence or tall building, or for incorporating into a formal planting combination.

Forming a narrow column of tight branches carrying silvery-blue foliage, it retains its colour well throughout the year and is slightly brighter between late spring and early summer when the new growth develops.

Buying Conifers from Jacksons Nurseries

Unlike many garden centres, supermarkets and some nurseries here at Jacksons Nurseries we sell the majority of our stock all year round. Our stock is for the most part grown outdoors making it far hardier than those grown under glass and/or only sold ‘In Season’.

Here at Jacksons Nurseries we would favour a hardy outdoor grown plant every time. They are far less likely to suffer from the shock of being planted in colder conditions and they will begin to establish more rapidly the following spring. This can mean that they don’t look like a ‘picture perfect’ plant when purchased out of season but with the correct care and a little time you’ll have a wonderful plant to enjoy for many years to come.

Availability: Stock availability figures are provided as a guide only. There is a delay between orders being placed and the plants being gathered by our pulling team. During this time it may be possible for a member of the public to purchase these plants from our Garden Centre, while this is rare it is a possibility and we will notify you of any problems as soon as possible. This figure may also include plants that have not yet be flagged as unsaleable.

Pre-order: Pre-order times are given as a guide only and may vary dependent on the growing season. Orders containing Pre-ordered products will be shipped as a single order when all items become available. Large orders may be part shipped, please contact us on 01782 502741 or email orders@jacksonsnurseries.co.uk.

Please Note: 20 litre pots and above will require a pallet delivery starting at £75.00 per pallet. Depending on the exact pot size and height it may be possible to get between 5-10 trees per pallet at no extra cost. The maximum height we can dispatch on a pallet is 2m, this includes the height of the pallet and pot.

Where pot sizes are specified in a range (e.g. 30-43 litre pot) we can not supply a specific pot size, you will be supplied with which ever size is available at the time. The tree(s) will be within the specified height range.

*Depending on the time of year we may supply freshly potted rootballed trees, if this is the case these trees can be treated as any potted conifer.

Most species of conifer are evergreen, but there are a few deciduous varieties. Some varieties of conifer are good for privacy, as they make excellent hedges. Some are also good for ground cover. They usually have scale-like leaves or needles, and bear iconic cones.

 

Planting and Conditions

Conifers can be planted throughout the year, but it is best to plant them in the late autumn or winter, as long as the ground is not frozen or waterlogged. Most conifers are frost proof to an extent and hardy, so they will be able to establish well throughout cooler weather.

They should be planted in full sun or partial shade, and are tolerant of most soil types, but will benefit from having compost or manure tilled into the soil prior to planting.

Conifers also need decent draining, so do not plant them in very heavy clay soil or else you will risk drowning the plant.

A hole no less than 1m across and 25cm deep should be dug when planting your conifer. Add organic material such as compost or manure to the hole, and fill it in carefully so that you don’t damage the roots.

 

Aftercare and Pruning

Unlike other hardwood plants, conifers need very little pruning. However, if green branches appear in trees with coloured or variegated foliage, these should be pruned more often.

Dwarf conifers are not actually dwarf, but are just slower growing. They will eventually become larger and could outgrow their space. This is fairly common with most conifers as they grow, and they can be replaced when it happens. However, their size can be controlled to some extent by pruning and trimming them.

A few conifers such as yew and Thuja, can be pruned hard and will regrow. Most conifers will not regrow from old wood if you prune into it, so take care.

Conifers can be pruned from spring through to late summer.

Newly planted conifers need very careful watering during the initial stages. They are drought proof once established and should not need too much watering, but they are very vulnerable to stress from drought if they are not watered thoroughly.

Removing weeds as soon as they appear is a good way of ensuring that valuable moisture is not lost. Mulching also reduces moisture loss from the top layers of soil.

 

Potential Issues

Plants can suffer from nutrient deficiencies. Overly acidic or alkaline conditions, dry spells and waterlogging can make it very difficult for plants to extract the right nutrients, and sometimes the soil doesn’t have the right nutrients to start with.

Depending on which nutrient is deficient, mulching, using compost or using a spray enriched with the right nutrients is the remedy to this common ailment.

Brown patches may occur on conifers. There are a number of causes; pests such as the cypress aphid and scale insects can be treated with sprays and foliage removal. Parasitic wasps can also be brought into greenhouses as a biological control for removal of scale insects.

Establishment problems can also occur in young or newly planted conifers. Larger specimens will experience more problems establishing, and will require much greater aftercare than younger specimens.  Watering the plant well, but not excessively, and not planting it too deeply should help it to establish better.

Never spray with fertilizer or feed during hot, bright weather or you will risk scorching the leaves. Spray in overcast weather instead.

Root rot can occur when the plant is getting too much water. To remedy this, increase drainage around the plant.

Honey fungus could also occur as a result of waterlogging, or if it is already present on the plant or in the garden. It is the most destructive fungus in Britain, and unfortunately the only treatment is evacuation and burning of affected plant material.

Be sure to extract stumps and roots, as the rhizomorphs that grow during a honey fungus infestation cannot survive in soil when detached from infected material.

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