Rusinis vilkdalgis – Iris ruthenica

Rusinis vilkdalgis

PLANT NAME
Lithuanian plant nameRusinis vilkdalgis
Latin plant nameIris ruthenica Ker Gawl.
English plant nameSword Lily
TYPE OF PARTERRE
  • Clump, beds (mixborder)
  • Flowerbed, parterres
  • Pods
  • Groups
  • Rockery, retaining walls
  • Cemetery
  • Wild plant parterre
ASSORTMENTsupplementary
GROWING PLACE CHARACTERISTICS
Soil
  • average wet soils
Lighting
  • Heliophilous
Spacing, cmFrom 20 to 30
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
Blossom color
  • violet
  • blue, blue tints
Blooming time
  • spring - April Second Decade - June First Decade
Blooming period1 month
General ornamentalityaverage decorative
Ornamentality duration, months5
Grouplogn-lived perennial (grown 7 and more years)
Bioecological groupPerennial
PLANT PROPAGATION
Propagation methods: rarely by seeds, scrub division. Roots are divided with 2-3 tufts of leaves. Very long roots are shortened. If the propagating material is sufficient the old roots are discarded. Scrubs are divided in Spring, Summer and Autumn. The flower is propagated after blooming and takes root quickly. Leaves are shortened, if the flower is propagated in Summer and Autumn. 20-30 seeds per 1 gram. 1000 seedlings per 100-120 grams of seeds sown. Iris seeds have long dormant period. Before sowing seeds should be soaked in water. Seeds germinate in 75-85 days.