Zone 4 Trees

Tilia cordata

Littleleaf Linden

Family Tiliaceae

http://selectree.calpoly.edu/tree-detail/1408#:~:text=Photos%20taken%20at,Mark%2C%20J.%20Reimer

Site Conditions

  • Planting area: 10’ 
  • Root Damage Potential: Moderate
  • SelecTree Water Use: Medium
  • USDA zones: 4, 5, 6, 7, 8
  • Sun exposure: Partial Shade to Full Sun
  • Soil texture: Loam, Sand, or Clay
  • Soil pH: Very Acidic to Slightly Alkaline
  • Soil salinity tolerance: Moderate
  • Powerline friendly: No

Tree Characteristics

  • Tree Shape: Rounded
  • Foliage type: Deciduous
  • Maximum height: 60 feet
  • Canopy width: 15-30 feet
  • Growth rate: ~12-24 in/year
  • Flowers: Showy, Fragrant
  • Flowering: Summer
  • Fruiting: Fall 
  • Litter: Small Dry Fruit

Site Consideration 

Streetscape, Tree Specimen, Parkland

Catalpa speciosa

Northern Catalpa

Family Bignoniaceae

Photos taken at National Arboretum – Washington, D.C., Los Angeles County Arboretum – Arcadia, CA, by M. Ritter, W. Mark, J. Reimer

Site Conditions

  • Planting area: < 10’
  • Root Damage Potential : Moderate
  • SelecTree Water Use: Medium
  • USDA zones: 4, 5, 6, 7, 8
  • Sun exposure: Full Shade to Full Sun
  • Soil texture: Loam, Sand, or Clay
  • Soil pH: Very Acidic to Very Alkaline
  • Soil salinity tolerance: Moderate Inland
  • Powerline friendly: No

Tree Characteristics

  • Tree Shape: Rounded
  • Foliage type: Deciduous
  • Maximum height: 60 feet
  • Canopy width: 20-40 feet
  • Growth rate: ~24-36 in/year
  • Flowers: Showy
  • Flowering: Summer
  • Fruit: Large Brown Capsule
  • Fruiting: Fall
  • Litter: Dry Fruit

Site Consideration 

Streetscape, Parkland, Tree Specimen

Parrotia persica

Persian Ironwood

Family Hamamelidaceae

Photos taken at Dallas Arboretum – Dallas, TX, Los Angeles County Arboretum – Arcadia, CA, Strybing Arboretum – San Francisco, CA, San Luis Obispo, CA, Hoyt Arboretum – Portland, OR, Finch Arboretum – Spokane, WA and The National Arboretum – Washington, DC by M. Ritter, C. Stubler, W. Mark, J. Reimer

Site Conditions

  • Planting area: 5’ to 10’ 
  • Root Damage Potential : Moderate
  • SelecTree Water Use: Medium
  • USDA zones: 4, 5, 6, 7
  • Sun exposure: Partial Shade to Full Sun
  • Soil texture: Loam or Sand
  • Soil pH: Acidic to Neutral
  • Soil salinity tolerance: Moderate
  • Powerline friendly: No

Tree Characteristics

  • Tree Shape: Rounded
  • Foliage type: Deciduous
  • Maximum height: 35 feet
  • Canopy width: 15-35 feet
  • Growth rate: ~12-24 in/year
  • Flowers: Showy
  • Flower color: Red
  • Flowering: Spring
  • Fruit: Medium Capsule
  • Fruiting: Summer or Fall
  • Litter: Fruit

Site Consideration 

Screen, Streetscape, Tree Specimen

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