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Photo: B.navez, CC BY-SA 3.0 (via Wikimedia Commons)

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Avocado

Persea americana

Also known as Alligator Pear, Aguacate, Butter Fruit

At a glance
Family
Lauraceae (the laurel family)
Type
Evergreen tree
Parts used
Fruit (flesh), pit, and leaves
Size
20 to 80 feet tall, depending on the cultivar and rootstock
Bloom
Small, pale yellow-green flowers in loose spring clusters, easy to miss beneath the glossy leaves
Habitat
Warm, frost-free slopes and valleys, native to south-central Mexico and Central America
Acquisition
Grow or buy
This plant in HerbSense

Key benefits

Rich in heart-healthy fats
Nourishes skin and hair
High in potassium
Supports steady digestion

Traditional uses

Long before avocado toast, the Aztec, Maya, and other Mesoamerican peoples were cultivating this tree for its buttery fruit, calling it ahuacatl in Nahuatl, a word also tied to fertility and vitality. The flesh was eaten fresh and mashed onto skin and hair as a softening treatment, while the leaves were steeped into a folk tea for digestive complaints and taken to ease menstrual discomfort. Spanish chroniclers noted its cultivation across the region within decades of contact, and the fruit traveled the trade routes of the Americas long before it crossed the Atlantic to become a global favorite.

Growing guide

Sun
Full sun, at least six to eight hours a day
Soil
Loose, well-draining, slightly acidic soil; avocado roots resent wet feet and are prone to root rot in heavy clay
Water
Deep, infrequent watering that lets the top few inches dry between soakings; young trees are thirstier than established ones
Planting
Best started from a grafted nursery tree rather than a sprouted pit, since seedling trees can take seven to ten years to fruit and rarely grow true to the parent

Fresh to dried

Harvest
Fruit is clipped while still hard and green-mature, since avocados ripen only after leaving the tree; leaves for tea can be gathered any time and used fresh or dried
Drying
Spread leaves in a single layer in a warm, shaded, airy spot until they turn brittle and crumble easily, usually within a week or two
Storage
Keep unripe fruit at room temperature until it yields to gentle pressure, then refrigerate; store dried leaves in an airtight jar away from light
Best forms
Fresh flesh for eating and topical use, dried leaf for occasional tea

Traditional preparations

Featured preparation

Ripe Avocado Skin & Hair Mask

A traditional Latin American and Caribbean beauty treatment, prized for leaving skin and hair feeling soft and supple.

How it's made. Mash the flesh of half a ripe avocado until smooth and apply to clean skin or hair. Leave on for 10 to 15 minutes, then rinse well with warm water.

Secondary preparation

Avocado Leaf Tea

A folk remedy from Mexico and the Caribbean, traditionally sipped for occasional digestive discomfort.

How it's made. Traditionally, a tea is made by steeping 1 dried avocado leaf, torn into pieces, in 250 ml of just-boiled water for 5 to 8 minutes, taken only occasionally.

Pairs well with
  • Lime
  • Cilantro
  • Sea Salt
Substitutes
  • Olive oil (as a cooking fat)
  • Peppermint tea (for digestive comfort)
Choose it when

The fruit you reach for when you want good fat, quiet richness, and a little green comfort on the plate.

Did you know?

Avocados are thought to be an evolutionary leftover from the age of giant ground sloths and gomphotheres, enormous Ice Age mammals that likely swallowed the fruit whole and carried the oversized seed far from the parent tree. Most of those animals vanished thousands of years ago, which is one reason botanists still puzzle over how the wild avocado once spread before humans stepped in as its new dispersers.

Safety

The ripe fruit is safe and nourishing, but the leaves, bark, skin, and pit contain persin, which is toxic to birds, horses, and many other animals, so keep them away from pets and livestock. Some people, especially those with a latex allergy, react to avocado with an itchy mouth or allergic symptoms, and leaf tea has traditionally been tied to effects on the uterus and milk supply, so avoid it in pregnancy and breastfeeding.