A Compact Globe Blue Spruce for Minnesota Foundation Accents

Roundabout Colorado Blue Spruce (Picea pungens 'Roundabout') is a dwarf globe spruce with classic silvery-blue needles, mature 2–3 ft tall and wide. Reliable to -40°F. A small-yard alternative to standard globe blue spruces.

Roundabout Colorado Blue Spruce Plant Details

Roundabout Colorado Blue Spruce Uses in Minnesota Landscapes

Tight Foundation Pockets

Roundabout's tiny 2–3 ft size fits where Montgomery and Monty Globe would eventually outgrow.

Best Time to Plant Roundabout Colorado Blue Spruce in Minnesota

Fall — late August through mid-September — is the ideal planting window for evergreens like Roundabout Colorado Blue Spruce. Soil is still warm enough for root development, cool air reduces transplant shock, and the plant gets 6–8 weeks to establish roots before the typical mid-November ground freeze in the Twin Cities. The earlier window matters specifically for evergreens because they continue losing moisture through their needles all winter, so root establishment before freeze is critical.

Spring (late April through May, after ground thaw) is the second-best window — you get a full growing season ahead. Avoid summer planting (June–August) when possible; if you must, water heavily and mulch deeply. Never plant after mid-October or before late April, when frozen ground or frost-heaving will kill new roots.

How to Plant Roundabout Colorado Blue Spruce

1. Dig wide, not deep — 2–3x the root ball width, same depth. In heavy clay, dig even wider (3–4x).
2. Check for clay hardpan — if water pools in the hole, break through the clay layer or mound-plant 2–3 inches above grade to improve drainage.
3. Backfill with native soil mixed with 20–30% compost. Don't fill the hole with pure compost — it creates a "container" effect that traps water around the roots.
4. Spacing — 3 feet apart for continuous low border.
5. Build a 3–4 inch water basin around the plant to direct water to the roots. Flatten or remove the basin in late October to prevent ice damage over winter.
6. Mulch with 2–3 inches of shredded bark or wood chip mulch, kept 2 inches away from the trunk. Do NOT use gravel mulch — it doesn't insulate roots in Minnesota winters.

Watering Roundabout Colorado Blue Spruce in Minnesota

First Year Watering Schedule

• Weeks 1–2: Every 1–2 days, deep and slow (15–25 minutes)
• Month 1–2: Every 3–4 days
• Month 3–6: Every 5–7 days during active growth; less if rainfall is adequate (Minnesota averages roughly 3 inches/month June–August)
• Stop watering 2–3 weeks before ground freeze (typically late October in Twin Cities metro). Continued late-fall watering can push tender new growth that gets killed by winter.
• One deep watering in early December is a good idea for evergreens if fall has been dry — it helps the plant resist winter desiccation.

After Year One

• Established Roundabout Colorado Blue Spruce rarely needs supplemental water. Water deeply during droughts (2+ weeks of no rain combined with temps above 80°F).
• Soak to 6–8 inches depth, every 7–14 days during dry spells. Let natural rainfall do the rest.

Drip Irrigation in Minnesota

Drip works well for Roundabout Colorado Blue Spruce if your beds already have a system. Place emitters 12–18 inches from the trunk. Always blow out lines and shut off the timer by early October — frozen drip lines split.

Will Roundabout survive a Minnesota winter?

Yes — rated to USDA zone 3.

How is it different from other dwarf blue spruces?

Roundabout is among the smallest dwarf globes (2–3 ft) compared to Montgomery (3–5 ft) or Monty Globe (3–4 ft).

You May Also Like

• Tater Tot Arborvitae — Tiny green globe arborvitae companion.
• Sky Rocket Juniper — Tall narrow vertical accent above the dwarf globe.

How Many Roundabout Colorado Blue Spruce Do I Need?

Roundabout stays a tidy 2–3 ft globe, so it is usually used as a single accent or in a small repeating group rather than a hedge. For a low evergreen edge or rhythm along a bed, space plants about 2.5 ft on center.

As a specimen, use a single globe in a tight foundation pocket, or plant three for a soft blue cluster.

Roundabout Colorado Blue Spruce Season-by-Season in Minnesota

• Spring: Soft new silvery-blue growth flushes at the tips of the tight globe.
• Summer: Holds dense, classic silvery-blue color all season with no maintenance.
• Fall: Evergreen and unchanged as deciduous neighbors color up around it.
• Winter: Stays steel-blue and structural against the snow — reliable to -40°F.

At a Glance

✔ Deer-Resistant   ✔ Evergreen   ✔ Four-Season Interest

Plant It With

• Tater Tot Arborvitae — a tiny green globe that contrasts the blue at the same small scale.
• Sky Rocket Juniper — a narrow vertical accent that rises above the low globe.
• Globe Blue Spruce — a larger blue globe to echo the color in a roomier spot.
• Bird's Nest Spruce — a low green nest-form evergreen for a layered foundation.

Is Roundabout Colorado Blue Spruce Right for Your Yard?

Roundabout is ideal for full sun (6+ hours) and well-drained Minnesota clay-loam, in small foundation pockets where a standard globe blue spruce would outgrow the space. It is not a fit for deep shade or soggy, poorly drained ground, where blue spruces struggle.