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Coleus Rainbow Mix Seeds

Coleus blumei Rainbow
Solenostemon, Flame nettle, Painted nettle

4,5/5
6 reviews
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1 reviews

Bought it twice, same issue both times: the seeds hardly germinate, and the ones that do germinate grow very little. Yet they are kept warm and provided with indirect light, in a good seed compost, with a bit of charcoal to prevent damping off.

Isabelle, 06/04/2022

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This plant carries a 6 months recovery warranty

More information

Coleus 'Rainbow Mix' is a popular selection of hybrid varieties, with spectacular variegated foliage in a wide array of shades including purple, coppery red, garnet red, absinthe green and cream. Suitable for beds, borders and pots!
Height at maturity
50 cm
Exposure
Sun, Partial shade
Annual / Perennial
Annual
Germination time (days)
15 days
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Sowing period March to May
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Flowering time June to October
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Description

Coleus 'Rainbow Mix' is a popular selection of hybrid varieties, with spectacular variegated foliage in a wide array of shades including purple, coppery red, garnet red, absinthe green and cream. Suitable for beds, borders and pots!

Coleus blumei is a herbaceous plant, generally grown as an annual in the flower garden due to its low tolerance to frost. It can also be grown as a perennial indoors. 'Rainbow mix' is a popular collection that displays a large range of colours including cream, scarlet red, garnet red, copper red, bronze and purple. Coleus is easy to grow from seed and low maintenance, bringing great colour to the garden from spring until the first frosts. The plants reach 50 cm in height for a spread of 30 cm. They produce small, pinkish flowers from June to October, however they are hardly noticeable against the brightly coloured, variegated foliage.

This robust plant is ideal as a focal point in flower beds and borders. The colouring of its foliage varies according to the intensity of the sunlight. Equally happy in a container or in the open ground, inside or outside, Coleus are wonderfully versatile. They thrive in light, rich soil in full sun or part shade.

Flowering

Flower colour insignificant
Flowering time June to October
Inflorescence Cluster

Foliage

Foliage persistence Annual
Foliage colour variegated

Plant habit

Height at maturity 50 cm
Spread at maturity 30 cm
Growth rate fast

Botanical data

Genus

Coleus

Species

blumei

Cultivar

Rainbow

Family

Lamiaceae

Other common names

Solenostemon, Flame nettle, Painted nettle

Origin

Cultivar or hybrid

Other Coleus seeds

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    €5.90 Seeds

Planting and care

Sow under cover at a temperature of 22°C, in a mixture of 3/4 potting soil and ¼ coarse sand. Bury the seeds under half a centimetre of soil. Germination usually takes 15 days. Thin out the weakest seedlings and pinch the stems of the remaining ones to encourage branching. Water regularly. Transplant into pots or in the garden, leaving at least 30 cm between each plant.

Sowing period

Sowing period March to May
Germination time (days) 15 days

Intended location

Suitable for Meadow, Woodland edge
Type of use Edge of border, Container
Ease of cultivation Amateur
Exposure Sun, Partial shade
Soil pH Any
Soil moisture Dry soil, Moist soil, Evitez les sols mal drainés qui peuvent engendrer la pourriture des racines.
4,5/5
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