number : 6 tot 9 per m2
- little groups of 3 to 10 plants (B) - groups of 10 to 20 plants, even more (C)
Plant description
Helenium prefers fresh to moist soil that does not dry out. Do not place the plants in poor soil, but rather a sandy loam or loamy soil.
Grateful plants with a bushy structure that bring warm colors to the border.