Pardon our appearance while we build a complete North American native plant finder that makes learning about and sourcing native plants easy. Get email updates.

North America Non-native Plant

Weber’s Century Plant

Weber’s Century Plant: A Mystery Agave Worth Understanding If you’ve stumbled across the name Weber’s century plant (Agave weberi) in your plant research, you’re not alone in finding limited information about this particular species. This perennial succulent represents one of those intriguing botanical puzzles that remind us how much we ...

Weber’s Century Plant: A Mystery Agave Worth Understanding

If you’ve stumbled across the name Weber’s century plant (Agave weberi) in your plant research, you’re not alone in finding limited information about this particular species. This perennial succulent represents one of those intriguing botanical puzzles that remind us how much we still have to learn about the plant world.

What We Know About Weber’s Century Plant

Weber’s century plant is classified as a non-woody perennial that has established itself in Texas, where it reproduces without human intervention. Unlike many of its flashy agave relatives that form dramatic rosettes, this species is botanically classified as a forb herb – essentially a non-woody plant that lacks the significant secondary growth we see in shrubs and trees.

Currently, Weber’s century plant is documented as growing in Texas, though detailed information about its specific distribution within the state remains limited.

The Information Gap

Here’s where things get interesting (and a bit frustrating for plant enthusiasts): comprehensive details about Weber’s century plant’s appearance, growing requirements, and ecological role are surprisingly scarce in botanical literature. This could indicate several possibilities:

  • It might be a relatively recently described or rare species
  • There could be taxonomic confusion with other agave species
  • It may have limited distribution or cultivation history

Should You Plant Weber’s Century Plant?

Given the limited information available about this species, including unknown invasive potential and specific growing requirements, it’s challenging to provide definitive planting recommendations. While it’s not currently listed as invasive or noxious, the lack of comprehensive data suggests a cautious approach might be wise.

Native Alternatives to Consider

If you’re drawn to the idea of growing an agave-type plant, consider these well-documented native alternatives that offer reliable information about their care and ecological benefits:

  • Century plant (Agave americana) – where native to your region
  • Native yucca species for your area
  • Regional native succulents and drought-tolerant perennials

Moving Forward

Weber’s century plant serves as a reminder that botanical knowledge is always evolving. If you’re interested in this particular species, consider reaching out to local botanical gardens, native plant societies, or university extension programs in Texas, where it’s documented to grow. They might have additional insights or ongoing research about this mysterious member of the agave family.

For now, focusing on well-documented native plants for your region will give you the best chance of gardening success while supporting local ecosystems. Sometimes the most responsible choice is admitting when we need to learn more before we plant.

Weber’s Century Plant

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Agavaceae Dumort. - Century-plant family

Genus

Agave L. - agave

Species

Agave weberi Cels ex Poisson - Weber's century plant

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