Helianthus atrorubens - Sunflower

continental : We suggest to water The Helianthus atrorubens very frequently, since it prefers fresh and humid soils; during the cold season water only if necessary, however avoiding the substrate to dry out completely.

alpine : Waterings shall be very frequent from April to September, trying to maintain the soil constantly humid, however avoiding water excesses; during the rest of the year we can water them occasionally

mediterranean : It is advisable very frequent and generous waterings, to maintain the soil constantly humid. We can decrease waterings in winter.

continental : The Helianthus atrorubens needs to be exposed to direct sunlight for many hours a day to have a luxuriant growth
The Helianthus atrorubens tolerates also long intense frosts without any problem.

alpine : The Helianthus atrorubens prefer very bright locations, where they can receive direct sunlight.
These plants do not suffer from cold. They can tolerate also very intense frosts without any problem.

mediterranean : They bear few hours of half-darkness, but need at least few hours a day of direct sunlight.
It is advisable to grow this plant in the garden, since it does not suffer from cold.

Feed Helianthus atrorubens : Fertilize annual plants enriching the soil in which they are planted with a slow-release granular fertilizer; in this way we will automatically give them some fertilizer with every watering.