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Alderman Plum Tree

Our Most Cold-Hardy Plum!


Developed at the Univ. of MN, Alderman is extremely cold hardy. Huge, dark red, sweet and juicy clingstone fruit ripens mid July. Gorgeous spring blooms! Can bear one year after planting. Pollinate with Superior. Zones 3-7.
  • Zone 3 - 7 (-40° F.).
  • Height 15 - 20 feet for standard, 10 - 12 feet for semi-dwarf.
  • Shade Required Full sun.

Plants are not available in AE AK CA CO GU HI ID OR PR WA

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  • Price
  • 68048
  • Standard 2-4 ft.-1 tree
  • $29.99
  • 68049
  • Standard Deluxe-1 tree
  • $36.99
  • 68050
  • Semi-Dwarf 2-4 ft.-1 tree
  • $36.99
  • 68051
  • Semi-Dwarf Deluxe-1 tree
  • $43.99
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Product Details

  • Botanical Name: 'Prunus alderman'
  • Height: 15 - 20 feet for standard, 10 - 12 feet for semi-dwarf.
  • Spacing: 16 feet apart in rows 16 feet apart.
  • Depth: Plant with graft union 2 inches above the soil surface.
  • Spread: 16 feet for standard trees, 10 - 12 feet for semi-dwarf .
  • Sun/Shade: Full sun.
  • Pollinator: Superior, Waneta (both will do ok in zone 3).
  • Yield: Approximately 100-130 pounds at maturity for standard.
  • Color: White blossoms.
  • Foliage: Brilliant green foliage.
  • Blooms: Mid season.
  • Fruit: Huge, dark red, sweet and juicy clingstone fruit.
  • Form: Deciduous. Spreading.
  • Flower Form: Yes.
  • Soil Requirements: Well-drained, fertile loam soil.
  • Growth Rate: Vigorous growth rate.
  • Pruning: The best time to prune plums is early Spring or early Summer during a dry day. Never prune in Winter (to avoid silver leaf disease).
  • Size: Small blossoms.
  • Comments: Gorgeous Spring blooms! Can bear one year after planting. Developed at the University of Minnesota. It is extremely cold hardy.

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