Key Lime

The Key Lime Tree

Buy Key Lime Tree

The word ‘key’ comes from the Florida Keys. An aromatic lime, this citrus fruit is common for cooking and can be found at grocery stores across the United States. These limes are used in the well-known dessert Key Lime Pie.

Basic Information

Common Name Key Lime
Botanical Name C. micrantha x C. medica
Location of Origin Florida Keys
USDA Zones 9-11
Can be grown in containers? Yes

Fruit Characteristics

Fruit Size Small-Medium
Fruit Shape Round
Fruit Flavor Tart
Rind Thickness Slightly Thin
Rind Texture Smooth
Rind Color Green
Flesh Color Whitish Green
Easy to Peel? Yes
Seeds Some

Tree Details

Has Thorns? Yes, fairly small
Foliage Color Green
Foliage Size Small
Flower Color White
Flower Size Small-Medium
Mature Tree Height in Ground 6′ – 10′
Fruit Bearing Age 3-4 years old
Alternate Bearing? No
Heat to Sweeten Fruit? No

Growing Conditions

Temperature Hardy to 32 ºF
Self-fertile? Yes
Sunlight Required Full Sun
Bloom Season in Minnesota Spring/Early Summer
Harvest Season in Minnesota Late Fall/Winter
Average Spring/Summer Watering Once every 1-2 weeks, more often when hot
Average Fall/Winter Watering Once every 3 weeks

Guides for Growing in Containers


3 year old key lime suffering from greasy spots
3 year old key lime suffering from greasy spots
key lime blooming indoors
Blooming indoors