A Native Creeping Juniper with Silver-Blue Color

Hughes Juniper (Juniperus horizontalis 'Hughes') is a native-derived creeping juniper with silver-blue summer foliage that turns plum-purple in cold weather — true four-season color. Whether you are stabilizing an Edina slope, filling a Plymouth border, or anchoring a sunny St. Paul rock garden — Hughes gets the job done.

Hughes Juniper Plant Details

Hughes Juniper Uses in Minnesota Landscapes

Deer-resistant evergreen for tough sites

Junipers handle the worst Minnesota conditions — full sun, dry soils, deer pressure, road salt. Reliable everywhere from Wayzata estates to St. Paul boulevards.

Privacy screens and hedges

Upright junipers form dense year-round screens that hold their shape under snow load. Excellent for property-line privacy in Eden Prairie, Plymouth, and Minnetonka.

Foundation plantings

Spreading and globe junipers are foundation-bed standards — drought-tolerant once established and unaffected by rain shadow under roof eaves.

Best Time to Plant Hughes Juniper in Minnesota

Fall (late August–early October) is the ideal planting window. Soil is still warm for root development, cool air reduces transplant stress, and the plant gets 6–8 weeks to establish roots before ground freeze (typically mid-November in the Twin Cities).

Spring (late April–May) is the second-best window — the plant gets the full growing season to establish before its first winter.

Avoid summer planting (June–August) when possible. Never plant after mid-October or before late April — frozen ground or frost-heaving kills new roots.

How to Plant Hughes Juniper

1. Dig wide, not deep. 2–3× the root ball width, same depth as the container. Heavy clay benefits from even wider digging.
2. Check drainage. Fill the hole with water — if it doesn't drain in 30 minutes, mound-plant or break through any clay hardpan to improve drainage.
3. Backfill with native soil + 20–30% compost. Minnesota clay-loam benefits from organic amendment but don't create a "container" of pure compost.
4. Spacing. Refer to the mature width above and space accordingly. Closer for hedging, wider for individual specimen plants.
5. Water basin. Build a 3–4 inch ring around the planting to direct water to the roots. Flatten or remove before winter to avoid ice damage.
6. Mulch. 2–3 inches of shredded bark or wood chip mulch, kept 2 inches away from the trunk. Do NOT use gravel mulch in Minnesota — it doesn't insulate.

Watering Hughes Juniper in Minnesota

First Year Watering Schedule

• Weeks 1–2: Every 1–2 days, deep and slow (15–25 minutes per plant)
• Month 1–2: Every 3–4 days
• Month 3–6: Every 5–7 days during active growth; less if rainfall is adequate (Minnesota averages ~3 inches/month June–August)
• Stop watering 2–3 weeks before ground freeze (typically late October in the Twin Cities metro) to avoid pushing late-season growth that gets killed by winter

After Year One

Established plants only need supplemental water during droughts (2+ weeks with no rain and temps above 80°F). Water deeply and infrequently — every 7–14 days during dry spells, soaking to 6–8 inches depth. Let natural rainfall do most of the work.

Pruning Note

Prune lightly in late spring or early summer. Avoid cutting back into bare wood — junipers don't readily regrow from old wood.

What is the difference between Hughes Juniper and similar shrubs?

Native creeping juniper selection with silver-blue foliage that turns plum-purple in winter. This makes it a strong choice when you want spreading, evergreen, blue-foliage in a Minnesota-tested plant.

Will Hughes Juniper survive a Minnesota winter?

Yes — 3-9 (Twin Cities is zone 4b–5a). Reliable to -40°F. Hughes Juniper is among the most reliable junipers for Twin Cities zone 4b–5a yards. First-year plants benefit from a deep mulch ring and adequate fall watering before ground freeze.

Is Hughes Juniper deer-resistant?

Rarely browsed — junipers are one of the most deer-resistant evergreens In high-pressure areas like Minnetonka, Wayzata, Eden Prairie, or Chanhassen, plan accordingly — deer fencing or repellent for the first year is a worthwhile insurance policy.

Does Hughes Juniper tolerate Minnesota clay soil?

Tolerates Minnesota clay-loam, sandy soils, and rocky sites. Excellent drainage required — no standing water. At planting, dig wide (2–3× the root ball width) and amend with 20–30% compost. Avoid creating a sunken "container" of pure compost in the clay — the plant should transition gradually to native soil.

When is the best time to plant Hughes Juniper in Minnesota?

Fall (late August through early October) is the ideal planting window — soil is still warm for root development, cool air reduces transplant stress, and plants get 6–8 weeks to establish before ground freeze. Spring (late April through May) is the second-best window.

You May Also Like

• Shop all Three Timbers Minnesota shrubs — full catalog of zone 4-hardy shrubs for Twin Cities yards
• Deer-Resistant Plants — for high-pressure suburbs like Minnetonka, Wayzata, and Eden Prairie
• Winter Interest Plants — plants that look great through Minnesota's five-month winter
• Find Your Perfect Plant — answer 5 questions and we'll recommend a plant for your yard

How Many Hughes Junipers Do I Need?

For a continuous evergreen carpet over a bank or bed, space Hughes about 5 feet apart (it matures 6–8 feet wide and knits together):

On slopes, plant a staggered double row (rows offset, 5 feet between plants) for faster erosion control. As a single rock-garden anchor, give one plant a 7–8 foot circle to spread into — it covers ground at 12–18 inches a year.

Hughes Juniper Season-by-Season in Minnesota

• Spring: Plum-purple winter tones fade back to fresh silver-blue as new growth pushes along every running stem.
• Summer: A dense silver-blue carpet at peak color — shrugging off heat, drought, and full sun while smothering most weeds beneath it.
• Fall: Foliage begins shifting toward its plum-purple cold-weather tint as nights drop — a color change few evergreens offer.
• Winter: Holds rich plum-purple under snow, reliable to -40°F — true four-season groundcover where lawn and perennials disappear for five months.

At a Glance

✔ Minnesota Native   ✔ Deer-Resistant   ✔ Salt-Tolerant   ✔ Drought-Tolerant   ✔ Evergreen   ✔ Four-Season Interest

Plant It With

• Grey Owl Juniper — a taller (3-ft) silver juniper to layer behind Hughes for a two-level evergreen bank.
• Gro-Low Sumac — the classic native slope partner: glossy summer green and red-orange fall color over the juniper's blue.
• Little Bluestem — native prairie grass whose upright blue-green blades and russet winter plumes rise through the flat carpet.
• Massachusetts Bearberry — a fine-textured native evergreen groundcover for the dry, sandy edges Hughes doesn't reach.

Is Hughes Juniper Right for Your Yard?

Hughes thrives in full sun (6+ hours) on well-drained clay-loam, sand, or rocky slopes, needs essentially no water once established, and deer and road salt don't faze it — ideal for banks, boulevards, and hot foundation strips. It's not a fit for shade or soggy ground: junipers thin out without sun and rot in standing water, and its 6–8 foot spread will overrun a small formal bed.