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Selaginella kraussiana AGM

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© RHS 1999

Characteristics

Plant type

Houseplant or Conservatory/Greenhouse

Habit

Mat forming

Resilience

Hardiness

H2 (tender - cool or frost-free greenhouse)

Colour

Foliage

Mid Green in Autumn, Spring, Summer and Winter

Size

Ultimate height

Up to 10 cm

Ultimate spread

1-1.5 metres

Time to ultimate height

1-2 years


Preferred common name

Kraus's clubmoss

Family

Selaginellaceae


Selaginella are evergreen rhizomatous perennials which may be small and tufted or tall and scrambling, the slender stems covered with small scale-like leaves; spores develop in short terminal spikes

S. kraussiana is a vigorous mat-forming perennial with rooting stems to 5cm tall, bearing small, scale-like leaves giving a fern-like appearance

Other common names

  • mat spike moss
  • spreading clubmoss
  • trailing spike moss

How to grow

Sunlight

  • Part shade
  • Full shade

Aspect

  • North-facing, West-facing or East-facing
  • Sheltered

Cultivation

In frost prone areas grow under glass in a mixture of two parts loam (JI No2) and one part leafmould, in bright but filtered light. Requires a minimum temperature of 5-7C in the winter months

Soil

  • Moist but well-drained
  • Acid or Neutral
  • Loam

Propagation

Sow spores at 21C (70F) as soon as they are ripe. Divide the rhizomes of rooted stems in the spring

Suggested planting locations and garden types

Patio/Container Plants


How to care

Pruning

Pruning is not generally necessary

Pests

Generally trouble free

Diseases

Generally trouble free