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Acer palmatum 'Aratama' Japanese Maple

Original price $50.00 - Original price $50.00
Original price
$50.00
$50.00 - $50.00
Current price $50.00
Size: 1 Gallon

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Acer palmatum ‘Aratama’ is a charming dwarf Japanese maple prized for its dense branching, compact habit, and rich seasonal color. Originating as a witches' broom mutation of 'Ko murasaki', ‘Aratama’ develops a naturally rounded, shrubby form that makes it an outstanding choice for smaller gardens and containers. In spring, its small leaves emerge in rich brick-red tones before maturing to deep green with reddish overtones through summer. As temperatures cool, the foliage transforms into beautiful shades of crimson, burgundy, and purple, creating a spectacular autumn display. Its tight branching and compact size make this "uncut gem" an exceptional addition to any landscape.

  • Growth Habit: Dense, rounded, compact, and shrubby
  • 10-Year Size: Approximately 3–5 feet tall and wide
  • Growth Rate: Slow
  • Spring Foliage: Small brick-red leaves
  • Summer Foliage: Deep green with reddish-bronze overtones
  • Fall Color: Brilliant shades of crimson, burgundy, and purple
  • Origin: Witches' broom selection of Acer palmatum 'Ko murasaki'
  • Light: Full sun to filtered light; afternoon shade is recommended in hotter climates
  • Soil: Moist, well-drained soil
  • Best Uses: Containers, rock gardens, small landscapes, foundation plantings, bonsai, and collector gardens
  • Best Feature: Naturally dense branching and compact growth with outstanding seasonal color
  • Garden Interest: Provides year-round structure with colorful foliage and a refined dwarf habit perfect for limited spaces
  • Why You'll Love It: ‘Aratama’ combines exceptional dwarf size, tight branching, and vivid seasonal color into one of the finest compact Japanese maples for collectors and home gardeners alike.

Japanese Maple Care Guide

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The Japanese Maple is a highly valued ornamental tree known for delicate foliage and striking seasonal color. With proper placement and consistent care, these trees can flourish for decades and add a graceful focal point to your landscape.

General Japanese maple guidance

Most Japanese maples perform best in USDA Zones 5-8. Some cultivars are listed into Zone 9, but hot-summer success depends on cultivar, shade, soil moisture, humidity, and reflected heat.

Watering

Keep soil evenly moist during the growing season, from spring to early fall. Deeply water once or twice a week; increase frequency in hot, dry spells to prevent leaf scorch.

Tip: Mulch the root zone to conserve moisture and regulate temperature, keeping mulch away from the trunk.

  • Water, then allow soil to dry slightly before watering again. Use the finger test to check moisture.
  • Nursery potting mixes dry faster; containers may need more frequent checks.
  • Avoid persistent soggy conditions; Japanese maples dislike "wet feet."

Set your zone to show the watering rhythm for your climate.

Soil

Plant in well-draining, slightly acidic soil (pH 5.5-6.5). Amend heavy clay with compost and coarse material for drainage. Raised beds or slopes are useful where drainage is poor.

  • Dig a planting hole about 1.5 times the container width to loosen surrounding soil.
  • Set the root collar level with the surrounding grade; do not plant too deep.
  • Avoid over-amending; maples establish well in native sandy or clay soils when drainage is adequate.

Across zones, avoid wet feet. Japanese maples decline quickly in saturated soil.

Sunlight

Provide morning sun with afternoon shade in warmer regions. In cooler climates, trees tolerate more sun, but prolonged direct exposure can scorch foliage. Shelter from strong winds.

  • Most cultivars thrive with morning sun and afternoon shade; Zone 8 full sun is feasible for many upright types.
  • In Zone 9, protect from hot afternoon sun to reduce leaf scorch.
  • Container trees on patios and driveways may need extra shade due to reflected heat.

Set your zone for the safest exposure recommendation.

Fertilization

Feed in early spring with a slow-release, balanced formula (or organic alternative). Avoid heavy fertilization that can force soft growth and distort the tree's natural habit.

  • Use low-nitrogen products with N at 15 or lower only in early spring if needed; stop by June 1.
  • Fish emulsion is not recommended for Japanese maples.
  • Healthy, established trees often require no fertilizer when soil is suitable.

Use a slow-release, balanced or low-nitrogen fertilizer in early spring, then stop by early summer.

Pruning and maintenance

Prune lightly during dormancy (late winter) to remove dead or crossing branches and maintain the elegant form. Monitor for aphids or spider mites and treat with insecticidal soap if needed.

  • Never remove more than about 45% in a session; prioritize larger structural branches over twiggy growth.
  • Keep one central leader on upright forms; shape dwarfs and laceleafs to accentuate natural habit.
  • Sanitize pruning tools with rubbing alcohol to reduce disease spread.

Do structural pruning during dormancy and keep summer work limited to small corrections.

Winter and frost protection

In cold regions, wrap young trees with burlap or mulch heavily around the root zone to buffer freeze-thaw cycles.

  • Cover young plants during late frosts or spring cold snaps with cloth, not plastic.
  • After frost damage, apply a liquid fertilizer like Miracle-Gro every 2 to 3 weeks until new buds form.
  • As trees mature, frost impact lessens, but early protection still prevents leaf damage.

Zone-specific frost guidance appears after your USDA zone is set.

Container growing

Use well-draining potting mix in a container with drainage holes. Containers dry faster; check moisture frequently.

  • Ensure at least one drain hole; consider adding 1 to 2 inches of gravel for single-hole pots.
  • For automated irrigation, soils with more perlite drain quickly; otherwise add peat moss to retain moisture.
  • Repot or root-prune every few years: small pots about 3 years; large pots about 7 to 8 years.

Variety selection

Choose cultivars suited to your climate. 'Sango Kaku' shows coral bark interest; 'Bloodgood' is a classic, hardy option.

  • Match exposure to cultivar: most prefer morning sun/afternoon shade; many uprights tolerate full sun in Zone 8, but protect in Zone 9.
  • Dwarf forms are ideal for containers; uprights make strong landscape focal points.
  • Consider winter interest (coral bark types) and overall hardiness for your USDA zone.
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