March's
Plant of the Month


Japanese Maple

Acer palmatum

PHOTO from Ohio State Crop Science Website

  Size: 15-20 feet with a slow growth rate
Habit: Rounded or mounding habit. Single or multi-trunked.
Leaves:

 

Opposite, simple, 2 - 5" long, deeply lobed usually 5 but sometimes 7 and 9 lobed. Lobes being lance-ovate to lance-oblong in shape, acuminate, subcordate doubly serrate. Color varies on cultivar.
Culture: Well drained acid soil and partial sun or shade. Full shade in Zone 8.
Utilization: An ornamental tree good around water features, as a foundation accent plant, or as a focal point in the landscape.
Propagation: Seeds can be sown directly in the soil before it dries on the plant. Dried seeds need to be soaked in 110°f water for 2 days then stratified at 40°f for 3-5months. One can have good success with cuttings taken in July, dipped in root hormone and then placed in moist perlite and misted frequently. More info on propagation.
Disease and Insects: Scale and aphids can be a problem but usually not seriously. Sun scald is not a disease but can be a problem in sunny locations.
Climate Range: Zone 5-7; 8 in shady sites. See Map.

Cultivars:There are many culivars varying in leaf shape and  seasonal color, here are just a few:

  • var. atropurpureum - Leaves reddish purple
  • 'Bloodgood' - Most popular in the nursery trade, has the deepest red foliage color.
  • 'Burgundy Lace' - Leaf sinuses almost reach petiole and highly serrated edge. Has a fine lacy texture. Red foliage in spring, green in summer and bronze-purple fall color.

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