56466

Symphyotrichum novi-belgii ‘Tonga’

Michaelmas daisy

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 not flower in May

Plant does not flower in June

Plant does not flower in July

Plant does not flower in August

Plant does flower in September

Plant does flower in October

Plant does not flower in November

Plant does not flower in December

  • Botanical name: Symphyotrichum novi-belgii 'Tonga'
  • Common name: Michaelmas daisy
  • Family: Asteraceae
  • Plant Type: Perennial

Asters are in the daisy family and while some flower in spring, most flower in late summer and autumn, hence their common name Michaelmas daisy. They provide a welcome splash of colour when other flowers are starting to fade, and are an important source of nectar and pollen for late-flying insects.

Advertisement

Symphyotrichum novi-belgii TONGA (‘Dasthree’) (‘Island Series’) is a compact aster, bearing bright purple flowers with a bright yellow centre. It’s ideal for growing at the front of herbaceous borders, and is perfect for growing in pots as part of an autumn container display. For best results plant Symphyotrichum novi-belgii ‘Tonga’ in well-drained soil in a sheltered, sunny site. Cut plants back hard after flowering.

How to grow Symphyotrichum 'Tonga'

  • Plant size

    45cm height

    30cm 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
Plant
Plant

Do not Plant in January

Do not Plant in February

Do not Plant in March

Do not Plant in April

Do Plant in May

Do Plant in June

Do Plant in July

Do Plant in August

Do Plant in September

Do not Plant in October

Do not 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 not flower in May

Plant does not flower in June

Plant does not flower in July

Plant does not flower in August

Plant does flower in September

Plant does 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

Symphyotrichum 'Tonga' and wildlife

Symphyotrichum 'Tonga' 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 Symphyotrichum 'Tonga' poisonous?

Symphyotrichum 'Tonga' 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 Symphyotrichum 'Tonga'