Cerulean Flaxlily
Dianella ensifolia
Also known as: Flaxlily · Blue Flaxlily · Cerulean Dianella
Strappy, low-water groundcover with iridescent blue berries — a modern texture for SWFL estate beds.
Southwest Florida
Growing Cerulean Flaxlily in SWFL
Dianella ensifolia is a clumping, strappy-leaved groundcover that brings architectural texture to SWFL landscape beds without requiring significant water or maintenance. Its narrow, glossy leaves arch naturally to 2–3 feet, and the plant spreads slowly by rhizomes to form colonies. Small lavender flower clusters in spring give way to vivid iridescent blue-violet berries — an ornamental feature that lasts for months. Works well as a border plant, mass groundcover, or container specimen in the SWFL climate.
Plant Specifications
| Sun Exposure | Full sun to part shade |
|---|---|
| Water Needs | Low — very drought tolerant once established |
| Salt Tolerance | Moderate |
| Cold Hardiness | Zone 9a |
| Mature Height | 2–3ft |
| Mature Spread | 2–3ft (slowly spreading by rhizomes) |
| Growth Rate | Moderate |
Nursery stock photo
Live Inventory
Available Sizes
Frequently Asked Questions
Dianella ensifolia is well-adapted to SWFL heat and humidity. It handles full sun in SWFL conditions better than many similar strappy-leaved plants, and is more tolerant of SWFL's wet-dry seasonal cycle than many groundcovers. Established plants are very low-maintenance.
Yes — Dianella provides a similar strappy texture with more height and a more striking ornamental effect (the blue berries, in particular). It grows taller and more open than liriope, making it better suited to larger scale beds and estate landscapes rather than tight border edging.
The berries of Dianella species are considered mildly toxic if ingested in quantity, particularly for pets. They are not a significant hazard in normal landscape use but should be considered when planting near areas frequented by dogs or young children.
Cerulean Flaxlily is in stock.
Call to confirm sizing and current availability.