Voratinklinė perkūnropė (šilropė) – Sempervivum arachnoideum

Voratinklinė perkūnropė

PLANT NAME
Lithuanian plant nameVoratinklinė perkūnropė (šilropė)
Latin plant nameSempervivum arachnoideum L.
English plant nameCobweb Houseleek
TYPE OF PARTERRE
  • Borders
  • Clump, beds (mixborder)
  • Flowerbed, parterres
  • Pods
  • Groups
  • Rockery, retaining walls
  • Cemetery
ASSORTMENTmain
GROWING PLACE CHARACTERISTICS
Soil
  • dry soils
  • acidic soil
Lighting
  • Heliophilous
Spacing, cmFrom 10 to 15
PLANT HEIGHT AND HABITUS
Height
  • very short (foreground plants) – till 20 cm height
Habitusflower with non-expressive habitus, for background
PLANTS ORNAMENTALITY
Leaf color
  • green
  • gray
Blossom color
  • red, red tints
Blooming time
  • 1-st half of the summer - June 2-nd decade- July 2-nd decade
Blooming period1 month
General ornamentalitydecorative
Ornamentality duration, months6
Groupshort-lived perennial (grown 2-4 years)
Bioecological groupPerennial
PLANT PROPAGATION
Propagation methods: seeds, daughter rosettes of leaves. Every plant produces 2-40 rosettes. Seeds are very small. About 10000 seeds per 1 gram. 1000 seedlings per 1 gram of seed sown Seeds are sown in pots, can be spread on the surface of the soil and gently pressed. Seeds germinate within 15-20 days. Small seedlings are replanted into boxes. Plants are replanted to the final growing place next year in Spring.