North America Non-native Plant

High-climbing Jointfir

Botanical name: Ephedra altissima

USDA symbol: EPAL3

Life cycle: perennial

Habit: shrub

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

High-Climbing Jointfir: A Unique Mediterranean Addition to Your Garden Meet the high-climbing jointfir (Ephedra altissima), a fascinating plant that looks like it stepped out of a Dr. Seuss book. With its distinctive jointed green stems and minimal foliage, this unusual shrub brings an otherworldly architectural quality to gardens that’s hard ...

High-Climbing Jointfir: A Unique Mediterranean Addition to Your Garden

Meet the high-climbing jointfir (Ephedra altissima), a fascinating plant that looks like it stepped out of a Dr. Seuss book. With its distinctive jointed green stems and minimal foliage, this unusual shrub brings an otherworldly architectural quality to gardens that’s hard to ignore.

What Makes High-Climbing Jointfir Special?

This perennial shrub is a true conversation starter. Instead of traditional leaves, it sports bright green, segmented stems that look almost bamboo-like but with a prehistoric twist. The plant typically grows as a multi-stemmed woody shrub, usually staying under 13-16 feet tall, making it a manageable size for most landscapes.

As a gymnosperm (think conifers and cycads), the high-climbing jointfir is more closely related to pine trees than to typical garden shrubs, which explains its unique appearance and drought-loving nature.

Where Does It Come From?

Originally from the Mediterranean region, particularly North Africa and southern Europe, this plant has found its way to California, where it has naturalized and now reproduces on its own in the wild. It’s considered a non-native species in the United States.

Should You Plant It in Your Garden?

The high-climbing jointfir can be an interesting addition to certain garden styles, particularly if you’re drawn to unique, architectural plants. However, since it’s not native to North America, you might want to consider native alternatives first. Some excellent native options that provide similar drought tolerance and interesting structure include:

  • Desert broom (Baccharis sarothroides)
  • Ocotillo (Fouquieria splendens)
  • Mormon tea (Ephedra nevadensis) – a native Ephedra species

Best Garden Settings

If you do choose to grow high-climbing jointfir, it works beautifully in:

  • Mediterranean-style gardens
  • Xeriscaping and drought-tolerant landscapes
  • Modern, minimalist garden designs
  • Rock gardens
  • As an architectural accent or specimen plant

Growing Conditions and Care

This plant is refreshingly low-maintenance once you understand its needs:

Sunlight: Full sun is essential – this plant craves bright, direct sunlight

Soil: Well-draining soil is absolutely critical. Heavy, clay soils will likely kill this plant

Water: Drought-tolerant once established, but needs regular water during the first growing season

Climate: Hardy in USDA zones 8-10, so it’s best suited for warmer climates

Planting and Care Tips

Getting your high-climbing jointfir off to a good start is straightforward:

  • Plant in spring after the last frost
  • Ensure excellent drainage – consider raised beds or slopes if your soil is heavy
  • Water regularly the first year, then reduce to minimal supplemental watering
  • Pruning is rarely needed, but you can lightly shape in late winter if desired
  • Avoid fertilizing – this plant prefers lean soils

Wildlife and Pollinator Value

As a wind-pollinated gymnosperm, high-climbing jointfir doesn’t offer much in the way of nectar or pollen for bees and butterflies. If supporting pollinators is a priority, you’ll want to pair it with native flowering plants that provide those resources.

The Bottom Line

High-climbing jointfir is an intriguing plant that can add unique architectural interest to the right garden setting. While it’s not native and offers limited wildlife benefits, it can work well in Mediterranean or modern landscape designs where its sculptural qualities shine. Just remember to consider native alternatives first, and if you do plant it, ensure you can provide the excellent drainage and full sun it demands.

Whether you choose this unusual jointfir or opt for native alternatives, the key is selecting plants that both thrive in your conditions and align with your gardening goals.

High-climbing Jointfir

Classification

Group

Gymnosperm

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Gnetophyta - Mormon tea and other gnetophytes

Subdivision
Class

Gnetopsida

Subclass
Order

Ephedrales

Family

Ephedraceae Dumort. - Mormon-tea family

Genus

Ephedra L. - jointfir

Species

Ephedra altissima Desf. - high-climbing jointfir

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