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Allium ‘Mars’

Ornamental onion

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: Allium 'Mars'
  • Common name: Ornamental onion
  • Family: Alliaceae
  • Plant Type: Bulb
Flower colour:

Purple

Foliage colour:

Green

Allium ‘Mars’ bears well-formed, dark-red-puple, compact flower heads in late-spring and early summer. It’s is a fantastic choice for sunny borders, and works well when planted in drifts with ornamental grasses and other alliums. It makes a wonderful cut flower.

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For best results, grow Allium ‘Mars’ in well-drained soil in full sun. Plant bulbs in fertile, well-drained soil up to three times their diameter. 

How to grow Allium 'Mars'

  • Plant size

    1.1m height

    20cm spread

  • Aspect

    South facing, west facing

  • Position in border

    Front, middle

  • Sun exposure: Full sun
  • Hardiness: Hardy
  • Soil type: Well drained / light / sandy / clay / heavy / moist / chalky / alkaline

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 not 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 not Divide in March

Do not Divide in April

Do not Divide in May

Do not Divide in June

Do not Divide in July

Do not Divide in August

Do Divide in September

Do Divide in October

Do Divide in November

Do not Divide in December

Collect seeds
Collect seeds

Do not Collect seeds in January

Do not Collect seeds in February

Do not Collect seeds in March

Do not Collect seeds in April

Do not Collect seeds in May

Do not Collect seeds in June

Do not Collect seeds in July

Do not Collect seeds in August

Do Collect seeds in September

Do Collect seeds in October

Do not Collect seeds in November

Do not Collect seeds in December

Allium 'Mars' and wildlife

Allium 'Mars' is known for attracting bees, butterflies​/​moths and other pollinators. It nectar-pollen-rich-flowers.

Attractive to Bees

Does not attract Beneficial insects

Does not attract Birds

Attractive to Butterflies​/​Moths

Attractive to Other pollinators

Is Allium 'Mars' poisonous?

Allium 'Mars' can be toxic.

Toxic to:

Toxic to Cats

Toxic to Dogs

Toxic to Horses

No reported toxicity to:

No reported toxicity to Birds

No reported toxicity to Livestock

No reported toxicity to People

Plants that go well with Allium 'Mars'