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Alnus formosana

Also Known As

  • Formosana Alder

Plant type

tree

size

  • H: 30'-40'
  • W: 25'-35'

planting zones

  • 8a-11

Alnus formosana plant details

Alnus formosana is a fast-growing broadleaf evergreen or semi-evergreen tree with green foliage. In spring chartreuse flowers emerge. Features glossy texture. Grows well with sun - mostly shade and even moisture - regular water. Does well in average, rich and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

CHARACTERISTICS OF Alnus formosana

Plant type: tree
Plant family: betulaceae
Foliage: evergreen or semi-evergreen green
Mature size: 25 FT - 35 FT - wide, 30 FT - 40 FT - tall
Flowers: chartreuse blooms in spring

GROWING CONDITIONS for Alnus formosana

USDA Zones: 8a - 11
Sun exposure: sun - mostly shade
Watering frequency: even moisture - regular
Resistant to: verticillium wilt
Soil needs: average, rich and well-drained

Nursery contributed plant descriptions

Tayuling 2004. Native to Taiwan at mid to high elevations, this was of interest to us for its evergreen habit, the glossy green leaves holding fast, we expect, in temperatures down to 18 to 20F. Though loving damp conditions, these do not require quite the riparian situation of many alders. Fast growing, to 30-40 ft tall, in sun to part shade with summer water. Stand back! Ultimate cold hardiness is not yet tested but these will remain healthy, though deciduous, to the bottom of USDA zone 8.

Gardening facts about Alnus formosana plant

How to Grow Alnus formosana

  • Sun Exposure

    • sun - mostly shade
  • Water Needs

    • even moisture - regular
  • Soil Needs

    • average
    • well-drained
    • rich
  • Special Situation

    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Flower Color

    • chartreuse
  • Texture

    • glossy
  • Foliage Season

    • evergreen
    • semi-evergreen
  • Flower Season

    • spring
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