Also known as Flax Lily · 15 gardener saves
Dianella: the varieties gardeners actually grow
Dianella, the genus most gardeners know as flax lily. We track 4 varieties; these are the ones gardeners actually save and plant, ranked by real saves rather than catalog marketing. Each links to full care, bloom, and live price data.
The 4 most-saved Dianella varieties
Of 4 in the catalog — ordered by how many gardeners actually grow them.
#1 most savedSpreading Flax Lily
Dianella revolutiony 'Flavo Circinalis'
#2 most savedBlueberry Flax Lily
Dianella tasmanica 'Variegata'
#3 most savedVariegated Flax Lily
Dianella caerulea 'Variegata'
Tasmanian Flax Lily
Dianella tasmanica
How to grow Dianella
What the Dianella varieties in our catalog actually agree on — drawn from the care records of the 4 most-grown of them, not from a generic template.
The Dianella year
- MulchMarch and November100% of varieties
Apply a layer of mulch in fall in colder zones (Zone 8) for winter protection.
- Spring CleanupFebruary100% of varieties
Remove any frost-damaged or dead foliage in late winter to make way for new growth.
- DivideMarch50% of varieties
Divide overcrowded clumps in spring to propagate and rejuvenate the plant.
- PlantFebruary, March, September and October50% of varieties
Plant in spring or fall in mild climates.
Do
- Plant in groups or masses for the greatest visual impact.
- Use in containers, where drainage can be easily controlled.
- Provide sharp drainage in all situations.
- Remove old flower stalks after berries have faded.
- Water regularly during dry periods 💧
Avoid
- Do not overwater, especially in winter.
- Avoid planting in heavy clay soil without significant amendment.
- Do not plant in deep shade, as foliage color will be poor.
- Avoid heavy fertilization, which can lead to floppy growth.
What goes wrong with Dianella
| Problem | What you'll see | What to do |
|---|---|---|
| Mealybugs | White, cottony masses at the base of the leaves. | Dab with a cotton swab dipped in rubbing alcohol. Use insecticidal soap for larger infestations. |
| Scale insects | Sticky residue and yellowing leaves | Apply insecticidal soap or neem oil |
| Aphids | Distorted new growth and sticky honeydew | Use insecticidal soap or introduce beneficial insects |
| Root Rot | Yellowing leaves, mushy crown, and plant collapse. | Prevention is key. Plant in very well-drained soil. Reduce watering. There is no cure once rot is advanced. |
| Root rot | Wilting and blackened roots | Improve drainage and reduce watering |
| Leaf spot | Dark spots on leaves | Remove affected leaves and ensure good air circulation |
Making more Dianella
Division
- Dig up mature plants in early spring or fall.
- Gently separate clumps into smaller sections with roots attached.
- Plant divisions immediately into prepared soil.
- Water thoroughly and mulch to retain moisture.
Seed sowing
- Collect mature seeds in late summer.
- Tuck seeds into moist seed-starting mix.
- Keep soil consistently moist in a warm location.
- Transplant seedlings once established, after 6 weeks.
Dianella questions
How many types of Dianella are there?
The Sow catalog tracks 4 distinct Dianella varieties. The most popular — ranked by 15 real gardener saves — are shown first above.
What zones does Dianella grow in?
Across its varieties, Dianella covers USDA Zones 8–10. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.
When does Dianella bloom?
Most Dianella varieties bloom in early summer, late spring. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Dianella should I choose?
Start from the most-saved varieties above — popularity across thousands of gardens is a strong signal of reliability — then filter by your zone and sun. In the Sow app you can preview any of them in a photo of your actual yard before you buy.
Keep exploring
Dianella shows up in
By hardiness zone
Design with Dianella in your own yard
Snap a photo of your space and see these varieties planted in it — sized correctly, matched to your zone, with care reminders included.
