Geltonasis vilkdalgis – Iris pseudacorus

Geltonasis vilkdalgis

PLANT NAME
Lithuanian plant nameGeltonasis vilkdalgis
Latin plant nameIris pseudacorus L.
English plant nameYellow Flag Iris
TYPE OF PARTERRE
  • Clump, beds (mixborder)
  • Groups
  • Water bodies and coastal
  • Solitaire
  • Combination with woody plants
ASSORTMENTmain
GROWING PLACE CHARACTERISTICS
Soil
  • in water
  • wet soils
  • average wet soils
Lighting
  • Heliophilous
  • Half heliophobic
Spacing, cmFrom 30 to 40
PLANT HEIGHT AND HABITUS
Height
  • tall - 61-80 cm
  • very tall – 81 cm and over
Habitusflower with expressive habitus, for design as accent
PLANTS ORNAMENTALITY
Leaf color
  • green
Blossom color
  • yellow, yellow tints
Blooming time
  • spring - April Second Decade - June First Decade
  • 1-st half of the summer - June 2-nd decade- July 2-nd decade
Blooming period1 month
General ornamentalitydecorative
Ornamentality duration, months5
Grouplogn-lived perennial (grown 7 and more years)
Bioecological groupPerennial
PLANT PROPAGATION
Propagation methods: seeds, scrub division, vegetative. Propagation by seeds is used only in selection. Iris seeds have a long dormant period. Before sowing seeds should be soaked in water. Seeds are sown in boxes in Autumn. Seeds germinate within 75-85 days. Propagation by scrub division is the mostly used. Roots are divided with 2-3 tufts of leaves. Very long roots are shortened. If the propagation material is sufficient the old roots are discarded. Scrubs are divided in Spring, Summer and Autumn.

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