North America Non-native Plant

Aji

Botanical name: Capsicum baccatum var. pendulum

USDA symbol: CABAP

Native status: Not native but doesn't reproduce and persist in the wild

Synonyms: Capsicum pendulum Willd. (CAPE31)   

Aji Peppers: A Colorful South American Addition to Your Garden If you’re looking to spice up your garden—literally and figuratively—let me introduce you to the delightful world of aji peppers (Capsicum baccatum var. pendulum). These charming little peppers bring both heat and beauty to any growing space, with their pendulous ...

Aji Peppers: A Colorful South American Addition to Your Garden

If you’re looking to spice up your garden—literally and figuratively—let me introduce you to the delightful world of aji peppers (Capsicum baccatum var. pendulum). These charming little peppers bring both heat and beauty to any growing space, with their pendulous (fancy word for hanging) colorful fruits that dangle like festive ornaments from compact plants.

What Makes Aji Peppers Special?

Aji peppers, also known by their scientific name Capsicum baccatum var. pendulum (formerly called Capsicum pendulum), are native to the mountainous regions of South America, particularly Peru and Bolivia. These peppers have been cultivating hearts—and taste buds—for centuries in their homeland, and they’re increasingly winning over gardeners worldwide.

The pendulum part of their name gives away their most distinctive feature: unlike many peppers that point upward, aji peppers hang gracefully downward, creating an almost ornamental chandelier effect. The small, colorful fruits come in a rainbow of hues—bright reds, sunny yellows, vibrant oranges, and deep purples—making them as much a feast for the eyes as for the palate.

Why Grow Aji Peppers?

There are several compelling reasons why aji peppers deserve a spot in your garden:

  • Dual-purpose beauty: They function as both ornamental plants and culinary ingredients
  • Compact size: Perfect for container gardening or small spaces
  • Unique flavor: Aji peppers offer a distinctive fruity heat that’s different from common peppers
  • Pollinator-friendly: Their small white flowers attract bees and other beneficial insects
  • Extended harvest: Plants produce continuously throughout the growing season

Growing Conditions and Care

Aji peppers are surprisingly adaptable, though they do have some preferences that will help them thrive:

Sunlight: These peppers love full sun and need at least 6-8 hours of direct sunlight daily to produce their best crop.

Climate: While they’re perennial in their native South American climate, most gardeners in temperate regions grow them as annuals. In USDA zones 9-11, they can potentially survive mild winters, but elsewhere they’ll need to be treated as seasonal plants.

Soil: Well-draining soil is crucial—these plants hate wet feet. A slightly acidic to neutral pH (6.0-7.0) works best.

Watering: Keep soil consistently moist but not waterlogged. Regular, even watering helps prevent issues like blossom end rot.

Planting and Growing Tips

Getting started with aji peppers is straightforward, though they do need a warm start:

  • Start indoors: Begin seeds 8-10 weeks before your last frost date
  • Warm germination: Seeds germinate best at temperatures between 75-85°F
  • Transplant timing: Wait until nighttime temperatures consistently stay above 50°F
  • Spacing: Plant 12-18 inches apart to allow for good air circulation
  • Fertilizing: Use a balanced fertilizer when transplanting, then switch to lower nitrogen once flowering begins

Design Ideas for Your Garden

Aji peppers shine in various garden settings:

  • Container gardens: Their compact size makes them perfect for pots on patios or decks
  • Edible landscaping: Mix them into flower borders for pops of color
  • Kitchen gardens: Plant near herbs and other culinary plants for easy harvesting
  • Tropical-themed gardens: Their exotic appearance complements other warm-climate plants

Harvesting and Using Your Aji Peppers

The beauty of aji peppers is that you can harvest them at different stages depending on your needs. Green peppers offer a milder, more vegetal flavor, while fully ripened colored peppers pack more heat and fruity complexity. The peppers are excellent fresh, dried, or made into hot sauces and salsas.

A Note on Native Alternatives

While aji peppers aren’t native to North America, they’re not considered invasive and can be grown responsibly. If you’re interested in supporting native ecosystems, consider also growing native plants that provide similar ornamental value and pollinator benefits, such as native wildflowers or berry-producing shrubs that support local wildlife.

Whether you’re a heat-seeking gardener or simply love plants that work double-duty as decoration and dinner ingredients, aji peppers offer a delightful way to add some South American flair to your growing space. With their easy-going nature and stunning appearance, they might just become your new favorite pepper variety.

Aji

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Solanaceae Juss. - Potato family

Genus

Capsicum L. - pepper

Species

Capsicum baccatum L. - locoto

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA