Accession Count: 18
Common Name:
little leaf ash, Gregg's ash
Family Name:
Oleaceae
Botanical Name:
Fraxinus greggii
Sub Species:
Variety:
Forma:
Cultivar:
Characteristics:
The Gregg Ash is a small, shrub-like, nearly evergreen tree that grows to a height of 20 feet (1,2). The leaves are roughly 2 inches long, dark green, lanceolate, pinnate, and slightly toothed along its margins (1). The small flowers have no petals and occur in clusters.
Compound:
Fra gre
Geographic Origin:
Desert Southwest
Ecozone Origin:
Nearctic
Biome Origin:
Natural History:
This Small tree grows natively on rocky limestone slopes, in canyons, in dry creek beds and washes, and shrublands in southwest Texas, southern New Mexico, southern Arizona and central to northeastern Mexico (3,4). **********
The arboretum’s accession number 800 was crowned on 10/13/2019 as the largest known tree of the species in the country (5).
Cultivation Notes:
This plant is dioecious, meaning that male and female reproductive structures are on separate plants (1). Best rooted from sapling wood before the plant has flowered (1). Seeds must be stratified for 30-60 days at 41 degrees before germination (1).
Ethnobotany:
This small tree is commonly used for landscaping on patios and courtyards (6).
Height:
16 - 20 feet
Width:
11 - 15 feet
Growth Rate:
Grow Season:
Summer
Flower Season:
Spring
Color:
Green
Function:
Patio
Spread:
Non-spreading
Allergen:
Allergenic
Invasive:
Benign
Toxicity:
Benign
Hardy:
Hardy
Water Use:
Low water Use
