Ideal Soil pH for Hackberry (Celtis)

ByAndrew

Hackberry’s Optimal pH Range and Its Importance

Hackberry (Celtis spp.) thrives in a soil pH range of 6.0 to 7.5, preferring slightly acidic to slightly alkaline conditions. This pH range is crucial for Hackberry’s optimal growth, fruit production, and overall health. Within this range, Hackberry can efficiently absorb essential nutrients, particularly iron and manganese, which are vital for its leaf color and photosynthesis. The tree’s adaptability to various soil types contributes to its popularity in urban landscaping and as a wildlife food source. While Hackberry can tolerate a wider pH range (5.5 to 8.0), maintaining the ideal range ensures the best performance and longevity. In overly acidic soils (below 5.5), Hackberry may experience reduced nutrient availability, especially calcium and magnesium. In strongly alkaline soils (above 8.0), the tree might suffer from iron chlorosis. Proper pH management is essential for promoting vigorous growth, maintaining disease resistance, and ensuring abundant fruit production.

Adjusting Soil pH for Hackberry

Lowering Soil pH:

  • Sulfur
  • Aluminum sulfate
  • Iron sulfate
  • Organic compost (acidic types)

Raising Soil pH:

  • Agricultural lime
  • Dolomitic lime
  • Wood ash (in moderation)
  • Crushed oyster shells

Testing Soil pH for Hackberry

  • pH test strips
  • Digital pH meter
  • Soil testing kit
  • Professional lab analysis
  • Home soil pH probe