Agave marmorata

Agave marmorata, or marbled agave, is an evergreen succulent. It belongs to the asparagus family, Asparagaceae. Its native range covers southern Puebla and Oaxaca in Mexico. It grows in dry tropical woods and scrub. It also occurs where these habitats meet oak woods. Wild plants grow on limestone and soils from volcanic rock.

The plant forms a broad rosette with little or no stem. Garden rosettes span about 3.9–4.3 feet [1.2–1.3 metres]. Larger plants can reach 8.2 feet [2.5 metres] across. Height is about 4.9 feet [1.5 metres], with reports reaching 6.6 feet [2 metres]. Broad, fleshy leaves bend out from the centre. Some twist or lie flat against the ground. Their rough skin ranges from dull green to blue-grey. Pale bands can cross the leaves, most clearly in sun. Young leaves may have purple backs. Brown teeth line the edges, and each tip bears a spine.

After several years, the plant sends up a tall flower stalk. This reaches about 16.4–21.3 feet [5–6.5 metres], sometimes 23 feet [7 metres]. Branches on its upper half carry small yellow flowers. Birds pollinate them, and long, thin-walled capsules form the fruit. The rosette dies after it flowers. Plants seldom form offsets, though these can replace the old rosette.

This slow-growing agave suits pots and well-drained garden beds. Its leaves provide colour through the year. Grow it in full sun or light shade. Use porous soil that lets excess water drain away. Water well once the soil feels dry. LLIFLE suggests watering every one to two months in winter. The plant withstands drought and light freezes. Seeds and occasional offsets offer ways to raise new plants. Sharp spines make reaching offsets hard. Detached offsets need a few days to dry before planting.

People harvest the plant for drinks, medicine, and building materials. They bake the trimmed hearts, then ferment and distil them for mezcal. They also ferment the sap to make pulque. These uses involve processing, rather than eating the plant raw. Traditional medicine uses heated juice, but this does not establish its safety or benefit. Dried flower stalks serve as building material and bird nest pieces. People also grow living hedges and use flowers in religious events. The species held Least Concern status in the 2019 IUCN assessment. Some wild groups are shrinking, despite its broad range.