Cosmos 'Sulfureux' (Cosmos sulphureus) – Proposed by Le Potager Ornemental de Catherine
Cosmos 'Sulfureux' is a vibrant and hardy variety , producing an abundance of flowers in warm shades of yellow, orange and coppery red . More compact than cosmos bipinnatus, it forms a dense, branched bush , perfect for beds, borders and flower meadows .
Very robust and heat tolerant , it adapts well to dry and poor soils , offering prolonged flowering from summer until the first frosts . Its great attractiveness to bees, butterflies and other pollinators makes it an ally of choice for the biodiversity of the garden.
Characteristics of the variety
Type : Annual
Plant habit : Compact and bushy
Height : 60 to 90 cm
Flowering : July to October
Flowers : Yellow, orange, coppery red, semi-double to double
Foliage : Fine and light, very decorative
Use : Flowerbeds, borders, flower meadows, pollinators
Tolerance : Heat and drought tolerant
🌱 Cultivation method
🌞 Exposure : Full sun
🌱 Sowing :
• Indoors in April for transplanting after the last frost
• Direct sowing in May once the soil has warmed up
📏 Sowing depth : 5 mm
🌡 Germination temperature : 18-22°C
⏳ Germination time : 7 to 14 days
🌿 Spacing : 30 to 40 cm between plants
💦 Watering : Moderate, prefers well-drained and dry soils
✂️ Maintenance : Remove faded flowers to prolong flowering
Thanks to its rapid growth and bright flowering , the cosmos 'Sulfureux' is ideal for bringing an explosion of warm colours to the garden whilst promoting biodiversity.
Use and special features
🌞 A festival of vibrant colors
Its yellow, orange and red flowers brighten up the garden all summer long.
🐝 A pollinator magnet
Attracts bees, butterflies and other garden helpers .
🌱 Tolerant of heat and poor soils
One of the easiest varieties to grow , even in difficult conditions.
