Keturbriaunė nakviša – Oenothera tetragona

Keturbriaunė nakviša

PLANT NAME
Lithuanian plant nameKeturbriaunė nakviša
Latin plant nameOenothera tetragona Roth.
English plant nameSundrops
TYPE OF PARTERRE
  • Clump, beds (mixborder)
  • Flowerbed, parterres
  • Pods
  • Groups
  • Rockery, retaining walls
  • Cemetery
ASSORTMENTmain
GROWING PLACE CHARACTERISTICS
Soil
  • average wet soils
  • dry soils
Lighting
  • Heliophilous
Spacing, cmFrom 20 to 30
PLANT HEIGHT AND HABITUS
Height
  • short – 21-40 cm
Habitusflower with non-expressive habitus, for background
PLANTS ORNAMENTALITY
Leaf color
  • green
Blossom color
  • yellow, yellow tints
Blooming time
  • 1-st half of the summer - June 2-nd decade- July 2-nd decade
Blooming period1 month
General ornamentalityaverage decorative
Ornamentality duration, months4
Groupintermediate type perennial (grown 5-6 years)
Bioecological groupPerennial
PLANT PROPAGATION
Propagation methods: seeds, scrub division, cuttings. Oenothera tetragona is propagated by scrub division easily in Spring or Autumn. Scrub can be divided with rhizome part and planted at 20 - 30 cm space. The flower is propagated by cuttings in May. Oenothera missouriensis is propagated by cuttings in hotbeds. Seeds are sown in Spring or Autumn. Seeds of Oenothera tetragona are small. 250 seeds per 1 gram. 1000 seedlings per 10 grams of seeds sown. Seeds are sown in boxes, thin layer of soil is spread on. Sprouts are replanted. Oenothera missouriensis is propagated by seeds, because scrub division is not easy. Seeds are bigger, 250 seeds per 1gr. 1000 seedlings per 10 grams are sown. Seeds are sown in boxes or hotbeds in Spring.