SelecTree: Tree Detail

KEY LIME
Citrus aurantifolia

Citrus aurantifolia Citrus aurantifolia Citrus aurantifolia Citrus aurantifolia Citrus aurantifolia Citrus aurantifolia Citrus aurantifolia Citrus aurantifolia Citrus aurantifolia Citrus aurantifolia Citrus aurantifolia Citrus aurantifolia Citrus aurantifolia

Photo Locations: San Antonio Botanic Garden - San Antonio, TX and Quail Botanical Gardens - Encinitas, CA

General Notes

Utility Friendly Tree Utility friendly tree.

Very sensitive to cold; one of the least hardy of the citrus. Needs good drainage. 'Bearss' most common variety. Citrus grafted to sour orange root stock is resistant to Texas Root Rot. Best suited to Sunset Zones 21 - 23.

Has fragrant Flower.

Has thorns.

Native to Southeastern Asia.

Family: Rutaceae

Additional Common Names

KEY LIME, PERSIAN LIME, MEXICAN LIME, MEXICAN THORNLESS KEY LIME

Tree Characteristics

Rounded, Umbrella or Vase Shape.

Has Evergreen foliage.

Height: 10 - 15 feet.

Width: 5 - 10 feet.

Growth Rate: 24 Inches per Year.

Longevity 50 to 150 years.

Leaves Elliptic to Oblong, Glossy Medium Green, No Change, Evergreen.

Flowers Showy. Fragrant White. Flowers in Spring. Has perfect flowers (male and female parts in each flower).

Prolific, Yellow or Mostly Green Hesperidium, Very Large (Over 3.00 inches), fruiting in Winter, Spring or Summer Edible and Wildlife use it.

Bark Dark Brown, Smooth.

Shading Capacity Rated as Dense in Leaf.

Litter Issue is Wet Fruit.

Tree Site Conditions & Constraints

Sunset Zones 8, 9 and 12 - 24.

USDA Hardiness Zones 9 - 11.

Exposure Full Sun.

Moist Soil.

Loam or Sand Texture.

Highly Acidic to Highly Alkaline Soil pH.

Seaside Tolerance is Good in Mild Zone.

Pests & Disease Information

Resistant to Verticillium. Susceptible to Aphids, Mealy Bugs, Scales, Spider Mites, Thrip and White Fly, Brown Rot, Chlorosis, Crown Rot, Oak Root Rot, Phytophthora, Root Rot, Sooty Mold and Virus.

Health, Safety & Environmental Concerns

Branch Strength Rated as Medium.

Root Damage Potential Rated as Low.

Allergy Health Hazard.

Fire Resistance is Favorable.

Desirable Wildlife Plant.

Attracts Bees and Squirrels.

Wildlife use Fruit.

Special Uses & Values

Screen.

Espalier or Hedged.

Cite this tree:
SelecTree. "Citrus aurantifolia Tree Record." 1995-2017. Sep 21, 2017.
< http://selectree.calpoly.edu/tree-detail/citrus-aurantifolia >

This tree is not part of the SelecTree Nursery Connection. If you would like to see this tree listed, or know of a nursery that sells it, please contact us at ufei@calpoly.edu.