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Agave americana 'Joanna' (Yellow-banded Century Plant) - This large succulent is slightly smaller than the typical species but still grows to an impressive 5 to 6 feet tall by 6 to 8 feet wide. It has long gray glaucous leaves with a central broad band of yellow lines. As with the species, there are recurved spines on the margins and a long terminal spine. Yellow-green flowers attract hummingbirds, however the Century Plant doesn't bloom until it is a decade or so old (not a century!) and the main flowering plant dies after flowering with suckers emerging around its base.
Plant in full sun in moderately well drained soil and irrigate occasionally to not at all in Southern California coastal areas. It is cold hardy to at least 15 degrees F.
This plant was a selected mutation of Agave americana var. striata that was noticed by San Marcos Growers supervisor Arturo Garcia and it is named for his daughter. For more information on the species see our listing of Agave americana.
The information displayed on this page about Agave americana 'Joanna' is based on the research we conducted about it in our nursery horticultural library as well as from information provided by reliable online resources. We also include some of our own observations made about this plant as it grows in the nursery gardens and other gardens that we have visited, as well how the crops have performed in the containers in our nursery field. We will also incorporate comments that we have received from others and welcome hearing from anyone with additional information about this plant, particularly if it includes cultural information that will aid others to better grow it.
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