Summary Planting Guide - Asparagus

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Spacing

  • 12"-14" between plants unless otherwise specified
  • 6"-8" between plants is recommended for Purple Passion
  • Furrows should be 8"-10" deep for most soils
  • Furrows of 8" is recommended for heavier clay-like soils

Irrigation

  • Plants need a well-drained site
  • Lighter soils may require more frequent watering
  • Important to maintain moisture during establishment year

Fertilization

  • Before planting add 5lbs of 10-10-10 per 100 sq ft
  • In establishment year dress in August with 1 lb 10-10-10 per 100 sq ft and work into top 2" of soil
  • In following years use 2lbs 10-10-10 per 100 sq ft in early spring and again following harvest
  • Lime, bone meal, and super phosphate help maintain proper soil levels
  • pH: 7.0-7.2 This is very important

Weed Control

  • Ferns will die back naturally in the fall
  • Mulching dried ferns with mower in fall will reduce weed pressure
  • Contact a local extension for chemical recommendations