Agave marmorata Roezl ex Ortgies
Marbled Agave
Agave marmorata, the marbled agave, is a dramatic and highly ornamental species native to the arid valleys of Puebla and Oaxaca, Mexico, growing between 900 and 1,800 m a.s.l. in xerophytic scrubland and tropical dry forest. Its name refers to the marbled appearance of its leaves: broad, grey, with a very pronounced rough and undulating texture, crossed by irregular lighter transverse bands that give it the appearance of carved marble. It is one of the most dramatically sculptural agave species, highly sought by collectors and modern garden designers. It reaches large dimensions at maturity (rosette 1.2–2 m diameter) and flowers only once at the end of its long life, with a monumental scape up to 8 m tall.
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Overview
| Category | Classification |
|---|---|
| Family | Asparagaceae |
| Genus | Agave |
| Growth Habit | Large to very large rosette (1.2–2 m diameter), acaulescent or short-stemmed, monocarpic. Slow growing. Produces scarce but well-developed offsets. |
| Conservation Status | Least Concern (LC) – IUCN. However, wild populations are declining due to ornamental collection pressure and habitat conversion to agricultural use. |
| pH Target | 6.5–8.0 |
| Type | Sandy-loam to stony, well drained, low in organic matter |
Origin & Habitat
Morphology
Broadly ovate-lanceolate, 60–100 cm long and 10–18 cm wide at the base, grey-green to silvery grey, with markedly rough and undulating surface. They display irregular lighter transverse cross-bands (the 'marbled' character). Margin with thick grey to dark corneous teeth; robust terminal spine 3–5 cm.
ecoYellowish-green to yellow, 6–8 cm long, in a dense panicle on a scape 6–8 m tall. Flowering occurs only once, generally between 15 and 30 years of age, marking the end of the plant's life cycle.
ecoAcaulescent or with a very short stem in mature specimens. The central piña can accumulate considerable reserves, though the species is not commercially used for mezcal.
ecoFibrous, extensive, and shallow, very efficient at water uptake in arid environments with irregular rainfall of 400–700 mm annually.
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Requirements
Soil & Substrate
Type
Sandy-loam to stony, well drained, low in organic matter
groups Beneficial Associations
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Propagation Strategy
S
E
Every 3–5 years in containers. Preferably cultivate in the ground where drainage permits.
A single annual application in spring with low-nitrogen mineral fertilizer. Excess fertilisation generates overly rapid and less dramatic growth.
Uses & Applications
Precautions / Toxicity
Moderate. Terminal spines and marginal teeth can cause wounds. Sap may cause contact dermatitis in sensitive skin.
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Plant Health
Base rot (Phytophthora spp.) from excess moisture
Mealybugs (Pseudococcus spp.)
Agave snout weevil (Scyphophorus acupunctatus)
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"Agave marmorata is frequently confused in nurseries with Agave potatorum, which is also native to Oaxaca and has a similar stature. The key difference is the rough texture and transverse marbled pattern of A. marmorata, absent in A. potatorum. The largest specimens are incredibly impactful as focal plants in contemporary garden design."
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Scientific Integrity
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Sources
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Discussion
Disclaimer
This species record is provided for educational and informational purposes only. Jardín Roca Negra does not guarantee the accuracy or completeness of the data. Content is community-curated and may be subject to revision; it should not replace advice from a qualified botanist. This species may be toxic, invasive, or subject to legal restrictions — verify before handling or cultivating. Jardín Roca Negra accepts no liability for any harm arising from reliance on this information. Images are reproduced under Creative Commons or equivalent free licenses; credits are noted below each image.