How to Grow Procumbens Nana Juniper

Procumbens Nana Juniper

Juniperus procumbens 'Nana'

shrub

A dwarf, creeping evergreen conifer with fine, soft foliage that ranges from blue-green to gray-green depending on the season. This compact cultivar is extremely popular for bonsai cultivation and alpine rock gardens due to its slow growth habit and refined appearance. It forms dense, spreading mats typically 6-12 inches tall with an indefinite spread.

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Example Procumbens Nana Juniper timeline · Pittsburgh, PA (Zone 6b)

Plant Procumbens Nana Juniper
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest Procumbens Nana Juniper
Late summer into fall

Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Procumbens Nana Juniper dates for your own zip code.

Growing Conditions

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Sun: Full sun, 6-8 hours daily; tolerates light afternoon shade in hot climates

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Water: Moderate watering during growing season; drought-tolerant once established. Allow soil to dry slightly between waterings. Reduce watering in winter. Excellent drainage is critical to prevent root rot.

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Spacing: 18 inches

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Days to maturity: Not applicable for ornamental shrub; reaches mature form in 5-10 years

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Planting depth: Plant at same depth as root ball; do not bury stem base

Soil

Type: Well-draining sandy loam or gritty, open soil

pH: 6.0-7.5

Amendments:

Coarse sand or grit Perlite Small pea gravel Horticultural pumice

Growing Zones

Find your zone →

Thrives in zones 5-8; hardy to zone 4 with winter protection

4b 5a 5b 6a 6b 7a 7b 8a 8b 9a

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Growth Stages

Establishment

First 12 months

Young plant adjusting to garden conditions; foliage may appear bronze or stressed

Water regularly to keep soil consistently moist (not waterlogged) for first season. Protect from harsh winter winds. Avoid fertilizing; too much nitrogen promotes weak growth.

Young Growth

Year 2-3

Plant develops stronger branch structure and denser foliage; spreading growth becomes apparent

Begin light pruning to shape as desired. Continue regular watering during dry spells. No fertilizer needed unless in poor soil.

Maturation

Year 4-10

Foliage thickens and develops characteristic coloring; plant becomes more drought-tolerant

Prune lightly in spring to maintain shape and encourage branching. Reduce watering frequency. Watch for pests.

Established

Year 10+ onward

Plant reaches desired size and form; slow growth continues indefinitely with minimal maintenance

Water only during extended drought. Minimal pruning needed except to remove dead wood or maintain shape. Very little fertilizing required.

Companion Planting

Plan your garden →

Plant with:

Dwarf Conifers (Chamaecyparis, Thuja) Alpine Sedums Saxifrage Creeping Phlox Festuca glauca Sempervivum Armeria Low-growing Heathers

Avoid planting near:

Tall, vigorous shrubs that will shade it Plants requiring frequent deep watering Junipers susceptible to cedar-apple rust (if apple trees nearby)

Common Pests

Spray with water to dislodge; use neem oil or insecticidal soap in severe cases. Increase humidity around plant.
Prune heavily infested branches. Spray with horticultural oil in early spring before new growth. Monitor regularly.
Hand-pick bags in fall/winter. Apply Bacillus thuringiensis (Bt) in summer when caterpillars are young.
Prune infected branches immediately and dispose. Improve air circulation. Avoid overhead watering. Apply copper fungicide preventatively.

Uses

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Bonsai Specimen

Craft

This cultivar is one of the most popular and recommended species for bonsai cultivation. Its fine foliage, slow growth, and ability to be heavily pruned make it ideal for creating refined, aged-looking miniature landscapes. [source]

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Rock Garden and Alpine Display

Household

Perfect for alpine troughs, rock gardens, raised beds, and container gardening. Its low, spreading form and blue-green coloring create beautiful year-round interest in small-scale landscapes. [source]

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Ground Cover

Household

Functions as a slow-growing, low-maintenance ground cover for well-drained areas. Excellent for sunny slopes, dry banks, and areas where rapid cover is not required. [source]

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Wildlife Habitat and Nesting

Wildlife

Provides shelter and nesting habitat for small birds and beneficial insects. The dense foliage offers protection during harsh weather. [source]

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Ornamental Focal Point

Household

Use as a specimen plant in containers, raised beds, or garden borders. The soft, fine texture and attractive foliage coloring make it visually appealing in contemporary and traditional landscapes. [source]

Harvest Tips

Not applicable—ornamental foliage plant. Prune for shape and size control in early spring before active growth. Remove dead branches anytime. Light trimming maintains density; avoid cutting into brown wood as it rarely re-sprouts.

Fun Facts

🌱 Procumbens Nana was originally discovered as a naturally occurring mutation in Japanese gardens and has been cultivated for centuries as a premier bonsai subject.
🌱 The foliage color changes subtly with seasons—often developing bronze or purple tones in winter, a phenomenon called 'winter color' in conifers caused by anthocyanin pigment production.
🌱 Despite being extremely slow-growing, Procumbens Nana junipers can live for 100+ years in optimal conditions, making them genuine heirloom plants that can be passed through generations.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Cultivar Full Sun

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