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Cosmos Ladybird Mixed - Cosmos sulphureus seeds

Cosmos sulphureus Ladybird Mixed
Sulphur Cosmos, Orange Cosmos

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A variety of dwarf Sulphur Cosmos with semi-double flowers. It is offered in a mix of colours ranging from scarlet red to yellow to orange. Its flowering is very long, it is perfect in country gardens and for making wildflower bouquets.
Flower size
4 cm
Height at maturity
30 cm
Exposure
Sun
Germination time (days)
15 days
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Sowing period February to April
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Flowering time June to October
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Description

The Cosmos sulphureus Ladybird Mixed is a variety of dwarf Cosmos with semi-double flowers. It is offered in a mixture of colors ranging from scarlet red to yellow and orange. Its flowering period is very long, making it perfect for country gardens and for making wildflower bouquets.

The Ladybird Mixed variety has a small habit, reaching a height of 40 cm (15.7 in) and spreading over 40 cm (15.7 in). It is well-suited for small gardens, borders, and container cultivation.

This Cosmos is very interesting for decorating the surroundings of the house or adding a touch of warmth to a flower bed. You can combine it with other annuals, such as Coreopsis Be Bop or the Cherry Glow Poppy, or with the Prairie Fire Orange Sedge for a vibrant atmosphere.

Native to South America and belonging to the asteraceae family, the Cosmos sulphureus or Sulphur Cosmos is an annual plant with rapid growth that can reach 1.5 meters in its natural habitat. It has a branched habit and finely cut foliage (although slightly less than Cosmos bipinnatus), with light green color, and displays an tireless flowering from June to the first frost.

The Ladybird Sulphur Cosmos is easy to cultivate. Its flowering is resilient to poor soil, heat, and humidity. Give it plenty of sunlight, and it will bloom no matter what.

It is a particularly attractive plant for bees, and if you refrain from doing a major autumn cleanup, you will likely have the chance to admire birds (especially goldfinches) come to peck at the last seeds.

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Cosmos: sowing and planting
Family sheet
by Virginie T. 14 min.
Cosmos: sowing and planting
Read article

Flowering

Flower colour multicoloured
Flowering time June to October
Inflorescence Flower head
Flower size 4 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Annual
Foliage colour green

Plant habit

Height at maturity 30 cm
Spread at maturity 30 cm
Growth rate fast

Botanical data

Genus

Cosmos

Species

sulphureus

Cultivar

Ladybird Mixed

Family

Asteraceae

Other common names

Sulphur Cosmos, Orange Cosmos

Origin

Cultivar or hybrid

Product reference8021111

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Planting and care

Sow Cosmos seeds from March to May, at a depth of 3mm (0.1 in), in fine compost and cover the seeds with a very light sprinkle of vermiculite. Place the seed tray in a mini-greenhouse at a temperature of 18-25°C or wrap it in a polyethylene bag. Keep the soil moist but not waterlogged.

Light promotes germination, which occurs 7 to 15 days after sowing. When the seedlings are large enough to handle, transplant them into individual pots with a diameter of 7cm (2.8 in).

Grow them in cooler conditions until the plants are sufficiently developed to be planted outdoors. When all risk of frost has passed, gradually acclimatize the plants to outdoor conditions for 7 to 10 days.

Plant them in full sun, in moist, well-drained soil, spaced 45cm (17.7 in) apart. Pinch out the tips of the shoots on each stem, during transplantation, to encourage branching and the production of numerous flowers.

Cosmos prefer soil with a pH between 6 and 8.5, corresponding to the soil of their original habitat, the alkaline regions of Central America. They prefer full sun but tolerate partial shade. These plants are drought-tolerant once established, they are not very susceptible to diseases but can be targeted by aphids. Spontaneous seedlings are common but not always true to type, without becoming invasive.

Sowing period

Sowing period February to April
Germination time (days) 15 days

Intended location

Suitable for Meadow
Type of use Border, Edge of border, Container, Slope, Vegetable garden
Ease of cultivation Beginner
Exposure Sun
Soil pH Any
Soil moisture Dry soil, Moist soil, Drainage

Planting & care advice

  1. How to sow cosmos

Cosmos are easy-to-grow, long-flowering annuals (Cosmos bipinnatus, Cosmos sulphureus) ideal for borders, beds and pollinator-friendly gardens. Follow these steps for reliable results.

When to sow
- Sow under cover: 4–6 weeks before last expected frost.
- Sow outdoors: after all risk of frost has passed and soil has warmed.
- In mild climates: sow in autumn for early spring display.
- For continuous flowering: sow every 2–3 weeks until early summer.

Seed preparation and soil
- No special pre-treatment required; seeds can be sown dry.
- Choose well-drained, moderately fertile soil. Cosmos prefer lean to average soil; very rich soil encourages floppy growth.
- Position: full sun for best flowering.

How to sow
- Surface-sow or cover very lightly: press seeds into soil or cover with about 2–5 mm of compost or soil.
- Spacing: thin/plant out to 20–30 cm (8–12 in) for tall C. bipinnatus; 10–15 cm (4–6 in) for compact C. sulphureus.
- Germination: 7–21 days at around 18–24 °C; keep soil just moist until seedlings establish.

Practical care
- Watering: keep moist while seedlings establish, then water sparingly—cosmos tolerate drought and too much water reduces flowering.
- Feeding: little or no fertiliser; a light low-nitrogen feed encourages blooms without excessive foliage.
- Pinching: optional. Pinch growing tips when plants reach about 10–15 cm to encourage bushiness and more flowers, but note pinching delays first blooms slightly.
- Support: stake taller varieties in exposed sites to prevent flopping.

Maintenance and problems
- Deadhead spent flowers regularly to prolong bloom period.
- Pests/diseases: generally trouble-free. Watch for slugs on young seedlings and powdery mildew in humid, overcrowded conditions.
- To save seed: let heads dry on plant until brown, then collect seeds and store in a cool dry place.

Quick tips
- Sow directly where plants will flower to avoid root disturbance.
- Use succession sowing for long season of colour.
- Mix varieties for different heights and colours to create natural, airy displays.

With minimal attention, cosmos will reward garden with abundant, long-lasting flowers attractive to bees and butterflies. Tips

    How to sow cosmos Cosmos are easy-to-grow, long-flowering annuals (Cosmos bipinnatus, Cosmos sulphureus) ideal for borders, beds and pollinator-friendly gardens. Follow these steps for reliable results. When to sow - Sow under cover: 4–6 weeks before last expected frost. - Sow outdoors: after all risk of frost has passed and soil has warmed. - In mild climates: sow in autumn for early spring display. - For continuous flowering: sow every 2–3 weeks until early summer. Seed preparation and soil - No special pre-treatment required; seeds can be sown dry. - Choose well-drained, moderately fertile soil. Cosmos prefer lean to average soil; very rich soil encourages floppy growth. - Position: full sun for best flowering. How to sow - Surface-sow or cover very lightly: press seeds into soil or cover with about 2–5 mm of compost or soil. - Spacing: thin/plant out to 20–30 cm (8–12 in) for tall C. bipinnatus; 10–15 cm (4–6 in) for compact C. sulphureus. - Germination: 7–21 days at around 18–24 °C; keep soil just moist until seedlings establish. Practical care - Watering: keep moist while seedlings establish, then water sparingly—cosmos tolerate drought and too much water reduces flowering. - Feeding: little or no fertiliser; a light low-nitrogen feed encourages blooms without excessive foliage. - Pinching: optional. Pinch growing tips when plants reach about 10–15 cm to encourage bushiness and more flowers, but note pinching delays first blooms slightly. - Support: stake taller varieties in exposed sites to prevent flopping. Maintenance and problems - Deadhead spent flowers regularly to prolong bloom period. - Pests/diseases: generally trouble-free. Watch for slugs on young seedlings and powdery mildew in humid, overcrowded conditions. - To save seed: let heads dry on plant until brown, then collect seeds and store in a cool dry place. Quick tips - Sow directly where plants will flower to avoid root disturbance. - Use succession sowing for long season of colour. - Mix varieties for different heights and colours to create natural, airy displays. With minimal attention, cosmos will reward garden with abundant, long-lasting flowers attractive to bees and butterflies.

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