Australian morning star or morning flag lily, Orthrosanthus multiflorus

Orthrosanthus multiflorus

Australian morning star

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Flowers
Flowers

Plant does not flower in January

Plant does not flower in February

Plant does not flower in March

Plant does not flower in April

Plant does flower in May

Plant does flower in June

Plant does not flower in July

Plant does not flower in August

Plant does not flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

  • Botanical name: Orthrosanthus multiflorus
  • Common name: Australian morning star
  • Family: Iridaceae
  • Plant Type: Bulb
Flower colour:

Blue

Purple

Foliage colour:

Green

As its common name suggests, the Australian flag iris, Orthrosanthus multiflorus, is a late spring and early summer-flowering native to southern and western Australia where it grows near to the coast.

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In the UK, it can be grown outdoors in mild locations in a partially shaded or sunny position in well-drained soil, where it will put on a marvellous display of grass-like foliage topped with cornflower-blue blooms. Orthrosanthus multiflorus can also be grown in pots and containers if you don’t have the right growing conditions.

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For best results, grow Orthrosanthus multiflorus in full sun or partial shade and well-drained soil. Best planted in a soil-based compost, such as John Innes No 2, with leaf mould and sharp sand incorporated. If growing in pots, move the container somewhere dry and frost-free over winter before bring back outside in spring.

How to grow Orthrosanthus multiflorus

  • Plant size

    60cm height

    30cm spread

  • Aspect

    South facing, west facing

  • Position in border

    Front, middle

  • Sun exposure: Full sun, partial shade
  • Hardiness: Half hardy
  • Soil type: Acidic / chalky / alkaline / well drained / light / sandy

Plant calendar

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sow
Sow

Do not Sow in January

Do not Sow in February

Do Sow in March

Do Sow in April

Do Sow in May

Do not Sow in June

Do not Sow in July

Do not Sow in August

Do not Sow in September

Do not Sow in October

Do not Sow in November

Do not Sow in December

Plant
Plant

Do not Plant in January

Do not Plant in February

Do not Plant in March

Do not Plant in April

Do not Plant in May

Do not Plant in June

Do not Plant in July

Do not Plant in August

Do Plant in September

Do Plant in October

Do Plant in November

Do not Plant in December

Flowers
Flowers

Plant does not flower in January

Plant does not flower in February

Plant does not flower in March

Plant does not flower in April

Plant does flower in May

Plant does flower in June

Plant does not flower in July

Plant does not flower in August

Plant does not flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

Divide
Divide

Do not Divide in January

Do not Divide in February

Do Divide in March

Do Divide in April

Do not Divide in May

Do not Divide in June

Do not Divide in July

Do not Divide in August

Do not Divide in September

Do not Divide in October

Do not Divide in November

Do not Divide in December

Orthrosanthus multiflorus and wildlife

Orthrosanthus multiflorus is known for attracting bees. It has nectar/pollen rich flowers.

Attractive to Bees

Does not attract Beneficial insects

Does not attract Birds

Does not attract Butterflies​/​Moths

Does not attract Other pollinators

Is Orthrosanthus multiflorus poisonous?

Orthrosanthus multiflorus has no toxic effects reported.

No reported toxicity to:

No reported toxicity to Birds

No reported toxicity to Cats

No reported toxicity to Dogs

No reported toxicity to Horses

No reported toxicity to Livestock

No reported toxicity to People

Plants that go well with Orthrosanthus multiflorus