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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.

Why buy a Standard Deluxe or Li'l Big Deluxe package - Deluxe fruit trees include 2 oz. Quik-Cal Pelletized Calcium, 12 oz. bag of Fruit Tree Food Starter Formula and a premium tree guard to protect the trunk for gnawing pests, weed trimmers and mowers. Li'l-BIG™ Deluxe fruit trees also include our innovative tree support, recommended for all Li'l-BIG trees.

This item ships in Spring

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  • Select Option
  • 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
  • $37.99
  • 68051
  • Semi-Dwarf Deluxe-1 tree
  • $44.99
  • Product Details

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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 .
  • Light Required: 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.
  • Zone: 3 - 7 (-40° F.).
  • 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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