Plant Base Online (beta)

botanical name:
Helianthus atrorubens 'Monarch'
Helianthus atrorubens 'Monarch' © Deeproot Plant Base
common name:  Sunflower
family:  Asteraceae
characteristics: perennial
height: 2.00m
width: 1.20m
growth rate: fast
growth habit: clump
leaf colour: green
flower colour: yellow
stem/bark: purple & green
main season: Autumn
aspect: full sun, part shade
conditions: dry soil, moist soil
preferred soil pH: neutral-alkaline
minimum temp: -5°C
USDA zone: 7 to 10
Vigorous clump forming perennial with hairy purple-green stems and hairy, scalloped, mid-green leaves. Freely produces numerous semi-double, bright yellow flowers with yellow-brown centres, up to 15cm across, in early and mid autumn.

Fertile neutral to slightly alkaline, moist, well-drained soil. Full sun.

From seed.

other notes:
Deeproot tree logo

You can also install Plant Base on your computer:

  • self contained application
  • more features
  • update and add records
  • larger and higher quality pictures
  • fast and efficient
  • always available, no connection needed
  • Windows, Mac and Android

details ...