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Cosmos Versailles Tetra Seeds - Cosmos bipinnatus

Cosmos x bipinnatus Versailles Tetra
Garden Cosmos, Mexican Aster

4,0/5
3 reviews
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1 reviews

The plants are indeed very vigorous, spreading up to 3cm (1in) in diameter and reaching heights of up to 2.50m (8ft)! However, at my place, only one out of three plants is in full flower. Nevertheless, it still forms a magnificent vegetal barrier. Disappointed, I was expecting better.

Pierre, 25/09/2021

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This plant carries a 6 months recovery warranty

More information

Cosmos 'Versailles Tetra' is an excellent selection that features large slate pink, daisy-like blooms with a cerise centre. They appear all season long on semi-tall plants, ideal for cutting! Easy to grow and effortlessly romantic, Cosmos thrive in light soil in a sunny position.
Flower size
10 cm
Height at maturity
90 cm
Exposure
Sun
Annual / Perennial
Annual
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

Cosmos 'Versailles Tetra' is an excellent selection that features large slate pink, daisy-like blooms with a cerise centre. They appear all season long on semi-tall plants, ideal for cutting! Easy to grow and effortlessly romantic, Cosmos thrive in light soil in a sunny position.

Cosmos bipinnatus is a tender annual plant native to Mexico and the southernmost part of the United States. It belongs to the Asteraceae family alongside Dahlias and daisies, featuring the characteristic inflorescences known as capitulums and very fine, feathery foliage. 'Versailles Tetra' quickly forms well-branched, semi-tall clumps, about 90 cm tall and 45 cm wide. Flowering starts in June-July and lasts until October (or the first frosts). The flower heads measure about 5-7 cm across and are made up of a layer of petals arranged around a golden central disc. Flowers are bright pink with a cerise pink eye. Cosmos are a magnet to foraging insects and butterflies, including the monarch butterfly. The finely cut, cloud-like foliage resembles fennel leaves and is delicately scented. Flowers are followed by blackish, spiky seed heads (achenes).

Cosmos is an easy-going, rewarding annual that can single handedly fill a sunny slope, border or flower bed. It is perfect to animate romantic or cottage style gardens. Easy to grow even by beginners, this adorable plant with its feathery green leaves and naive flowers bring light and airiness to heavier blooms such as Dahlias. It combines well with perennial sage, Verbena bonariensis and chrysanthemums until the first frosts. It is particularly useful in new gardens mixed with poppies, love-in-a-mist or cornflowers. Its pretty blooms have a long vase life and are ideal for cutting.

Flowering

Flower colour pink
Flowering time June to October
Inflorescence Flower head
Flower size 10 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Annual
Foliage colour green

Plant habit

Height at maturity 90 cm
Spread at maturity 45 cm
Growth rate fast

Botanical data

Genus

Cosmos

Species

x bipinnatus

Cultivar

Versailles Tetra

Family

Asteraceae

Other common names

Garden Cosmos, Mexican Aster

Origin

Cultivar or hybrid

Product reference81211111

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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 (64.4 - 77 °F) 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 the tips of the shoots on each stem, during transplantation, to encourage branching and the production of numerous flowers. Cosmos prefer a soil pH between 6 and 8.5, corresponding to the soil of their native 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 may be targeted by aphids. Spontaneous seedlings are frequent, but not always true to type, without becoming invasive.
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Sowing period

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

Intended location

Suitable for Meadow
Type of use Border, Back of border, Slope, Vegetable garden
Ease of cultivation Beginner
Exposure Sun
Soil pH Any
Soil moisture Dry soil, Moist soil, Draining more information is available on our website.
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