Meksikinis žydrūnis – Ageratum houstonianum

Meksikinis žydrūnis

PLANT NAME
Lithuanian plant nameMeksikinis žydrūnis
Latin plant nameAgeratum houstonianum Mill.
English plant namePerrenial Ageratum
TYPE OF PARTERRE
  • Borders
  • Clump, beds (mixborder)
  • Pods
  • Flowerbed, parterres
  • Cemetery
ASSORTMENTmain
GROWING PLACE CHARACTERISTICS
Soil
  • average wet soils
  • dry soils
Lighting
  • Heliophilous
Spacing, cmFrom 15 to 20
PLANT HEIGHT AND HABITUS
Height
  • very short (foreground plants) – till 20 cm height
  • short – 21-40 cm
  • middle height – 41- 60 cm
Habitusflower with non-expressive habitus, for background
PLANTS ORNAMENTALITY
Leaf color
  • green
Blossom color
  • white
  • violet
  • blue, blue tints
  • purple
Blooming time
  • 1-st half of the summer - June 2-nd decade- July 2-nd decade
  • 2-nd half of the summer - July Third Decade - August
Blooming period5 months
General ornamentalitydecorative
Ornamentality duration, months5
Groupnon-typical annual
Bioecological groupAnnual
PLANT PROPAGATION
Propagation methods: seeds (achene). Achenes are sown between February and March. 5000 - 6000 seeds per 1 gram. 1000 seedlings per 0.5 - 1 gram of sown seeds. Seeds germinate within 8-14 days at 20°C. Seeds stay viable for 4 years. Seed yield is 3,5-20 g for a square meter. Cross-pollinated, also self-pollinated flower.

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