Dianella caerulea ‘Cassa Blue’

blue flax lily
Blue flax lily is a tidy evergreen perennial with wands of pale blue flowers followed by blue-purple berries. Good in pots.
height 18–24in
width 18–24in
tolerates Cool Summers, Fog, Heat, Narrow Planting, Pots
water
needs
Low – Moderate
water
info
Water this plant regularly, when the top inch or so of soil feels dry. If you establish this pattern over several years, then you can cut back to watering every week or two in dry weather. Use drippers, emitters, or a slow stream of water so that it doesn’t run off; allow the water to trickle all the way down through the deepest layers of soil. In a pot slowly water the entire surface until water comes out of the bottom of your pot.
hardy
to
24F
exposure Part Shade – Full Sun
indoor
outdoor
Outdoor
drainage In Ground: Planting Mix, In Pots: Potting Soil
fertilizing All Purpose
origin Hybrid, Australia
california
native
No
sunset
zones
8, 9, 12–23

Sunset Zones Map

Outdoor Exposure Guide

OUTDOOR EXPOSURE GUIDE

Full Sun
Six or more hours of sun beams directly landing on the plant's leaves.

Part Shade
Three to five hours of sun beams directly landing on the plant's leaves.

Part Sun
One to two hours of sun beams directly landing on the plants leaves.

Full Shade
The plant is never fully lit by sun beams, but is in a bright spot or has dappled sunbeams playing over the leaves throughout the day.

Deep Shade
The plant never has dappled light on the leaves, and is in a place that feels dim, even on a nice sunny day.

SUNSET ZONES MAP

Growing Notes

Thin out old spent flower stalks as low as possible. If berries are not desired, do this before they form.