Photo of Mariosousa willardiana form by Tomas Castelazo

Photo by Tomas Castelazo

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Mariosousa willardiana

Also Known As

  • Acacia 'Willardiana'
  • Acacia willardiana
  • Palo Blanco Tree

Plant type

tree

size

  • H: 15'-20'
  • W: 10'-15'

planting zones

  • 9b-11

More Options

Mariosousa willardiana plant details

Mariosousa willardiana is a broadleaf deciduous tree with green foliage. In spring cream flowers emerge. Attracts bees making it an excellent addition to pollinator gardens. Grows well with sun and occasional - low water. Drought tolerant once established. Adapts to various soil conditions. Does well in average, clay, gritty, lean, rocky and well-drained soil. A good option if you're seeking something heat tolerant.

CHARACTERISTICS OF Mariosousa willardiana

Plant type: tree
Plant family: fabaceae
Foliage: deciduous green
Mature size: 10 FT - 15 FT - wide, 15 FT - 20 FT - tall
Flowers: cream blooms in spring
Uses: xeric

GROWING CONDITIONS for Mariosousa willardiana

USDA Zones: 9b - 11
Sun exposure: sun
Watering frequency: occasional - low
Resistant to: heat
Soil needs: average, clay, gritty, lean, rocky and well-drained

Nursery contributed plant descriptions

One of the most beautiful of desert trees native to the Sonoran Desert in Arizona. Very slender tree matures between 15-20' high. Good for next to buildings as it grows almost entirely upward, with leaves drooping downward like a weaping willow. Slow growing. Cold hardy to 25 °F. For sale are trees in small pots but very tall....1-2 ft. Some are starting to get pot bound, but I don't think this will be a permanent set back. WE CANNOT SHIP LIVE PLANTS INTERNATIONALLY!

Gardening facts about Mariosousa willardiana plant

How to Grow Mariosousa willardiana

  • Sun Exposure

    • sun
  • Water Needs

    • occasional - drought tolerant
  • Soil Needs

    • clay
    • adaptable
    • average
    • lean
    • well-drained
    • rocky
    • gritty
  • Special Situation

    • heat tolerant

Features

  • Foliage Color

    • green
  • Flower Color

    • cream
  • Wildlife

    • bees
  • Flower Season

    • spring
  • Foliage Season

    • deciduous

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