North America Non-native Plant

Maca

Botanical name: Lepidium meyenii

USDA symbol: LEME19

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

Maca: The High-Altitude Wonder That’s Probably Not Right for Your Garden Ever heard of maca? This little plant has been making waves in the superfood world, but before you rush to add Lepidium meyenii to your garden wishlist, let’s talk about what you’re really getting into. Spoiler alert: unless you ...

Maca: The High-Altitude Wonder That’s Probably Not Right for Your Garden

Ever heard of maca? This little plant has been making waves in the superfood world, but before you rush to add Lepidium meyenii to your garden wishlist, let’s talk about what you’re really getting into. Spoiler alert: unless you live on a mountaintop, this one might be more trouble than it’s worth!

What Exactly Is Maca?

Maca is a small, unassuming plant that belongs to the mustard family. Don’t expect anything flashy – we’re talking about a low-growing plant that forms a rosette of leaves close to the ground, topped with tiny white or cream-colored flowers. The real treasure lies underground in its turnip-like root, which has been prized by Andean cultures for thousands of years.

Where Does Maca Call Home?

Here’s where things get interesting (and challenging). Maca is native to the high Andes mountains of Peru and Bolivia, where it thrives at mind-boggling elevations between 11,000 and 14,000 feet above sea level. We’re talking about places where the air is thin, temperatures are cool year-round, and growing seasons are short but intense.

The Reality Check: Why Maca Might Not Work in Your Garden

Let’s be honest – maca is basically the opposite of a low-maintenance garden plant. Here’s what you’re up against:

  • Climate Requirements: Maca needs cool temperatures year-round, ideally between 45-65°F
  • Growing Season: It requires 7-9 months to produce harvestable roots
  • Altitude Preference: Performs best at high elevations with intense UV radiation
  • Frost Tolerance: While it can handle light frosts, it’s not suited for extreme temperature swings

Could You Actually Grow Maca?

If you’re determined to try (and live in a cool, high-altitude area), here’s what you need to know:

Growing Conditions: Maca prefers well-draining, sandy soil with good organic matter. It needs full sun but cool temperatures – think mountain meadow, not desert heat.

Planting: Start from seeds in early spring. The seeds are tiny and need to be surface-sown since they require light to germinate.

Care Tips: Keep soil consistently moist but not waterlogged. The plant grows slowly, forming its characteristic rosette before putting energy into root development.

Harvest: If you manage to grow maca successfully, harvest the roots after 7-9 months when the leaves begin to yellow.

Better Alternatives for Most Gardens

Since maca isn’t native to North America and has such specific requirements, consider these native alternatives that offer similar growing experiences:

  • Wild Ginger (Asarum canadense): Another low-growing plant with interesting roots
  • Ramps (Allium tricoccum): Native mountain plant with edible qualities
  • Mountain Mint (Pycnanthemum species): Hardy native that thrives in challenging conditions

The Bottom Line

While maca is fascinating and nutritionally impressive, it’s not practical for most North American gardens. Unless you’re in a very specific climate zone with cool temperatures year-round, you’re probably better off buying your maca powder and focusing on native plants that will actually thrive in your local conditions.

If you’re drawn to unusual edible plants, consider exploring native alternatives that offer similar novelty without the headache. Your garden (and your sanity) will thank you!

Maca

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Lepidium L. - pepperweed

Species

Lepidium meyenii Walp. - maca

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