[Conifers and shrubs](https://dunger.ua/en/blog/categories/conifers-and-shrubs) # Blue Star juniper: planting and care Published 2026-11-14 Updated 2026-11-14 To read 7 min Keep Blue Star’s natural shape, check moisture during establishment and distinguish care problems from a genuine need for nutrients. Blue Star juniper, Juniperus squamata 'Blue Star', is valued for its dense low shape and blue-grey needles. It grows slowly and usually needs little shaping. Good care begins with a sunny position, drainage and attention to moisture after planting. Choose fertilizer according to genuine need and the size of the shrub, rather than trying to make a dwarf cultivar grow like a tall thuja. ## What Blue Star needs - Enough sunlight and room to spread. - Soil that does not stay waterlogged around the roots. - Careful watering during establishment, even though established plants tolerate drought. - Its natural outline retained without cutting into old, leafless wood. - The cause of browning checked before adding feed or applying treatments. ## Dwarf does not mean it stays the same size Blue Star forms a compact rounded mound with short, prickly needles. A young plant in a small pot does not show how much space it will eventually occupy. The width of an older specimen can approach or exceed a metre, depending on age and growing conditions. Treat size descriptions as planning guidance rather than a guarantee that growth stops at a particular measurement. Allow space beside paths and neighbouring plants for the future canopy, not merely the current pot. If branches eventually hang across a narrow walkway, repeated hard clipping will be a poor substitute for appropriate positioning. Slow growth gives you time, but it does not remove the need to plan. Read the full cultivar label. Blue Star, Blue Carpet and other junipers do not have identical shapes or dimensions. The guide to [choosing conifers near a house](https://dunger.ua/en/blog/choosing-conifers-near-a-house) can help with the overall layout, while the space for this shrub should reflect its own habit. ## A sunny site with reliable drainage An open sunny position is the simplest starting point. Some light shade is possible, but dense shade from a large tree or tall fence should not be an accidental compromise. Look at the site through the day rather than assessing it only when the plant arrives. Good drainage matters more than finding one special soil recipe for every garden. Blue Star tolerates different soils but dislikes persistent wetness. Check where water from roofs and paving runs, and whether rain or melting snow collects where the shrub will stand. If the ground remains saturated, improve the conditions or choose another position first. A pocket of rich material inside a waterlogged site does not solve drainage. Nor should soil be acidified automatically because the plant is a conifer. Assess the soil before deciding that it needs chemical adjustment. ## Choosing and planting a healthy shrub Choose a balanced plant without extensive dead areas or broken branches. Inspect the rootball where possible: it should not be dried out or completely packed with circling roots and almost no visible medium. Blue-grey foliage is characteristic of the cultivar, not a reason to try to make it emerald green. In Ukraine, select planting time from local weather and soil conditions. Avoid frozen or waterlogged ground. A container-grown plant gives some flexibility, but planting in intense heat requires closer aftercare. An autumn decision also depends on approaching cold, rather than the month alone. - Water the rootball before removing the container. - Prepare a broad planting area and loosen compacted soil. - Set the root flare at the finished soil surface without burying the base of the shrub. - Backfill around the roots, firm gently and water. - Mulch the surrounding surface while leaving the stem bases clear. Do not deliberately break apart a healthy rootball if roots are not congested or circling. Avoid putting a thick layer of material beneath it that will later settle and lower the plant. Recheck planting depth after watering so that the base has not sunk below the surrounding surface. ## Check the rootball, not just the surface Drought tolerance in an established shrub does not mean a newly planted juniper can be ignored. Until roots explore the surrounding soil, check moisture both in the original rootball and beside it. A light shower may wet the surface without supplying the root zone beneath. Water slowly over the roots so moisture can enter the soil. Adjust frequency to weather, soil and plant condition. A small recently planted shrub and a broad established specimen do not need an identical number of litres on an identical timetable. Checking before watering is particularly important during cool, rainy periods. Nearby weeds and lawn compete with young roots for moisture. Mulch can reduce evaporation and weed growth, but a deep heap against the branches is harmful. Keep the base exposed, and do not conceal persistently wet soil beneath another layer of mulch. ## Pruning without losing the natural shape A healthy Blue Star usually needs no regular shearing. Remove clearly dead or damaged parts where necessary and make any correction to young growth carefully. Do not cut deeply into the canopy to bare old wood while expecting it to sprout promptly. Leafless areas on a juniper may not regenerate. Nearby living shoots can sometimes cover a gap, but that is different from new growth emerging from a bare cut stem. If the position continually demands a smaller shrub, reconsider the arrangement rather than repeating severe pruning. ## Brown needles: what to investigate first Some older interior foliage can die naturally. Spreading dry patches, dead tips or an entire declining branch should not automatically be dismissed as a seasonal colour change. Notice where the problem began: inside the canopy, on an exposed side or near the base. Compare moisture in the rootball and surrounding soil, and check depth, physical damage and signs of pests. Drought, waterlogging, cold drying wind and disease can produce similar visible symptoms. If damage spreads, identifying the cause is more useful than trying every available product in sequence. Do not expect fertilizer to restore the colour of dead needles. Feeding supports nutrition; it does not cure root rot or replace appropriate action against an identified pest. Keep separate photographs and notes to compare changes, and avoid changing several care procedures at once. ## Fertilizer for a conifer shrub If additional nutrition is needed, a granular compound for conifers and evergreens is an option for juniper. Blue Star's actual size and the caution for dwarf cultivars are especially important. Slow growth alone is not a reason to select the highest rate.  ### [Complex fertilizer for coniferous evergreens, granules](https://dunger.ua/en/mineral-fertilizers/small-packaging/for-landscape-design/fertilizer-complex-coniferous-evergreens) DÜNGER compound mineral fertilizer in granules for conifers and evergreens. Choose 1, 3 or 4 kg packs to match the amount of product you need. **For a conifer**: 5 g for every 10 cm of height. It is necessary to feed dwarf varieties with extreme care, and apply fertilizers according to the size of the plants, it is important not to "overfeed", because they can lose their dwarfness. Read the complete instructions for the selected application. Do not add a height-based rate to a separate per-plant rate. Account for previous feeding and measure the shrub before calculating, rather than transferring an amount used on tall thuja plants. Save conifers as a separate zone with the relevant measurements in [My garden](https://dunger.ua/en/my-garden). This helps plan the product and number of packs alongside your other planting areas. ## Neighbours and winter care If thujas grow nearby, consult the guide to [planting and caring for thuja](https://dunger.ua/en/blog/planting-thuja), while keeping their height, spacing and clipping needs separate from Blue Star's. The guide to [plants to grow between thujas](https://dunger.ua/en/blog/what-to-plant-between-thuja) can help plan neighbouring planting. Consider how shade will change as every plant in the arrangement grows. Before winter, check moisture during dry weather and ensure meltwater can drain. Cold winds can dry evergreen foliage, especially on recently planted shrubs. A container needs a separate assessment of root protection: a pot does not provide the same conditions as garden soil. Do not bring this outdoor juniper into a heated room as though it were an ordinary houseplant. ## Frequently asked questions ### Slow growth is characteristic of the cultivar. Assess needle health, conditions and roots rather than trying to change its natural pace with a higher fertilizer rate. ### ### ## Rate this article No ratings yet. Be the first! Rate this article ## Discussion(0) This discussion is shared across all article languages. Loading… Share this article ## Related Posts  [Conifers and shrubs](https://dunger.ua/en/blog/categories/conifers-and-shrubs) ### Growing thuja from seed Collect and prepare thuja seed, care for seedlings and plan their move into the garden, with clear limits on cultivar traits and growing conditions. 2026-11-14 • 7  [Conifers and shrubs](https://dunger.ua/en/blog/categories/conifers-and-shrubs) ### Conica spruce indoors: temporary care and return outdoors Give Conica a brief indoor display, monitor root-ball moisture and plan its return to cooler conditions according to the weather and bud development. 2026-11-14 • 7  [Conifers and shrubs](https://dunger.ua/en/blog/categories/conifers-and-shrubs) ### Pruning group 2 clematis Prune group 2 clematis selectively, retain living old stems and manage growth after the first flowers. Adjust for winter damage and plant age. 2026-11-14 • 7 Order & Inquiry ## Get in touch  Order mineral and organo-mineral fertilizers directly from the manufacturer. We will help you choose the right product for your garden, farm or landscape. 2 hours response time Free product advice Personal manager Easy to get in touch Step 1 of 425% ### Hello! Let's get acquainted and help you Tell us what you are interested in? Press Enter to continue By clicking the button, you agree to [privacy policy](https://dunger.ua/en/privacy)