Helianthus decapetalus - Sunflower

continental : These plants shall be watered frequently to keep a constantly humid substrate. However avoid the water stagnation and decrease waterings in case of low temperatures.

alpine : Water The Helianthus decapetalus very regularly, to maintain the soil always humid, but not soaked. During the coldest months water only if the soil dries out completely.

mediterranean : Waterings will be very regular, giving a good amount of water, to allow the soil to be constantly humid, avoiding to drench it completely. Decrease waterings in the cost season.

continental : It is advisable to grow this plant in a very sunny place.
This is a very rustic garden plant, that should not have problems even in case of very intense frosts.

alpine : It is advisable to grow this plant to direct sunlight all year long.
The Helianthus decapetalus is very rustic and can be grown in the garden all year long; it does not suffer from even intense frosts.

mediterranean : It is advisable to grow these plants in a very sunny location.
The Helianthus decapetalus does not suffer from cold and frost; this is a plant that can be grown in the garden all year long.

Fertilize Helianthus decapetalus : It is advisable to mix with annual plants soil some slow-release fertilizer, to ensure the plants a constant source of mineral salts.