Park Farm Plants
Cosmos astrosanguineus 'Chocolate' - syn. Bidens astrosanguinea
Cosmos astrosanguineus 'Chocolate' - syn. Bidens astrosanguinea
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syn. Bidens astrosanguinea
Narrative Description:
Cosmos atrosanguineus, commonly known as Chocolate Cosmos, is a delightful tuberous perennial that boasts velvety deep crimson flowers with a rich chocolate scent. Here are some key details about this captivating plant:
- Scientific Name: Cosmos atrosanguineus
- Common Names: Chocolate Cosmos, Black Cosmos, Black Dahlia
- Synonyms: Bidens atrosanguinea, Cosmos atrosanguineus ‘Chocolate’
Description:
- Flower Shape: Bowl-shaped
- Flower Colour: Maroon-crimson
- Flower Scent: Intensely chocolate-scented
- Flower Size: Up to 2 inches (5 cm) across
- Blooming Period: Mid-summer to fall
Growth Characteristics:
- Foliage: Pinnately divided leaves
- Habit: Spreading
- Ultimate Height: 0.5–1 meter
- Ultimate Spread: 0.1–0.5 meters
Growing Conditions:
- Sun Exposure: Full sun
- Soil: Moderately fertile, moist, and well-drained
- Hardiness: H3 (suitable for the UK climate)
- Position: South-facing, West-facing, or East-facing
Uses:
- Ideal for city and courtyard gardens, cottage gardens, flower borders, and beds.
- Deadhead to prolong flowering.
Note: The chocolatey allure of this plant makes it highly sought after by gardeners. Its fragrance and unique color add a touch of elegance to any garden. 🌸🍫
An upright, tuberous perennial with a chocolate scent and maroon flowers in late summer.
Ideal Conditions:
Prefers full sun, or partial shade with free-draining soil or compost.
Possible Situation:
Excellent in a bowl on its own, or with other tall flowering plants.
Resilience:
Half-hardy
Habit:
Upright
Height x Spread / Trail:
60 x 45 cm
Features:
Attracts Wildlife
Scented
Typical Season:
Summer
Flower Colour:
brown/bronze
Foliage Colour:
green
Flowering Time:
July - October
Planting Recommendations:
Container
Prefers:
Full Sun
Part Sun
Temperature Tolerance:
Dies back over winter, but may revive in spring if protected from frost. Alternatively dig tubers before the first frosts and keep in a cool, frost free area. Replant in a pot the following spring.
Plant Care:
Tubers should be protected by a mulch, or brought inside over winter unless in a sheltered position.
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