Malus x hartwegii 'Katherine'

Microbiota decussata

Siberian carpet cypress

  • Botanical name: Microbiota decussata
  • Common name: Siberian carpet cypress
  • Family: Cupressaceae
  • Plant Type: Shrub, Evergreen
Foliage colour:


Microbiota decussata is an unusual spreading conifer, forming a low-growing mat of soft, feathery bright green foliage. In winter this foliage turns a deep bronze. Ideal for growing as groundcover, Siberian carpet cypress softens path edges and cascades over rockeries and walls. The Royal Horticultural Society has awarded it the prestigious Award of Garden merit. 


For best results grow Microbiota decussata at the front of the border in full sun. 

How to grow Microbiota decussata

  • Plant size

    20cm height

    1.5m spread

  • Sun exposure: Full sun
  • 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

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


Do not Prune in January

Do not Prune in February

Do not Prune in March

Do not Prune in April

Do not Prune in May

Do not Prune in June

Do not Prune in July

Do not Prune in August

Do Prune in September

Do Prune in October

Do not Prune in November

Do not Prune in December

Microbiota decussata and wildlife

Microbiota decussata has no particular known value to wildlife in the UK.

Is Microbiota decussata poisonous?

Microbiota decussata 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