Spineless Century Plant
Agave attenuata
Also known as: Soft Agave · Lion's Tail Agave · Foxtail Agave · Soft Century Plant
The estate-safe agave — dramatic succulent architecture without the hazardous spines.
Southwest Florida
Growing Spineless Century Plant in SWFL
Agave attenuata is the agave of choice for SWFL estate pool and patio settings because it lacks the terminal spines of most agave species. Its large, pale blue-grey rosettes provide bold sculptural impact at pool edges, entry planters, and accent beds. Drought tolerant once established; excellent in well-drained SWFL sandy soils. Not as salt-tolerant as some agaves — site in protected settings. Monocarpic: the mother rosette dies after flowering but produces many offsets.
Plant Specifications
| Sun Exposure | Full sun to part shade |
|---|---|
| Water Needs | Low — very drought tolerant once established |
| Salt Tolerance | Low-moderate — protected locations |
| Cold Hardiness | Zone 9b — protect below 28°F |
| Mature Height | 3–4ft (rosette) / 10–14ft in bloom spike |
| Mature Spread | 4–6ft |
| Growth Rate | Slow |
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Frequently Asked Questions
Agave attenuata lacks the hard terminal spine found on most agave species. This makes it safe around pool decks, walkways, and areas where people are barefoot. You get the bold succulent sculpture and low-water performance without the injury risk.
Yes — it is native to warm, dry climates and handles SWFL summers well. The key requirement is excellent drainage: SWFL's summer rain season can cause rot in heavy soils. In sandy or amended well-draining beds, it thrives. Avoid areas that hold standing water.
Agave is monocarpic — the main rosette flowers once, then dies. The bloom spike on Agave attenuata is unusual: it arches over gracefully rather than shooting straight up, reaching 10–14 feet. The plant compensates by producing offsets (pups) around the base that can be separated and replanted.
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