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Ranunculus

Ranunculus corms: for cut flowers, pots and gardens

The ranunculus (Ranunculus asiaticus) is a corm with double, rose-like flowers made up of dozens of silky petals, in white, yellow, orange, pink, red and pastel shades. In the Netherlands and central Europe, ranunculus is planted in early spring and flowers from May to July; in mild climates and in greenhouses it is planted in autumn for flowering from early spring. Holland Bulb Market supplies ranunculus by colour and mixed.

Uses

Cut flowers: loved by florists and for bridal work, with a long vase life.
Pots and patios: compact, free-flowering pot plants for spring sales.
Gardens and borders: in sunny borders, together with anemones and other spring flowers.
Retail: ranunculus corms in consumer packs and mixes.

Professional cultivation: cut ranunculus

Ranunculus grows best at cool temperatures of about 10–15 °C. In greenhouses and in mild climates such as southern Europe, plant in October and November for flowering from February to May; in colder regions plant in February and March, with protection against late night frost. Soak the corms for a few hours before planting and plant them claws down in airy, well-drained soil. Harvest when the bud shows colour and feels soft.

We advise on colour choice, size and planting time. Read more about professional growing.

Our ranunculus range

Ranunculus asiaticus in white, yellow, orange, pink and red, and as a colour mix, in different sizes for flowering and growing on.

Flowering time by planting time

Planting time	Flowering	Height (approx.)	Colour examples
Greenhouse, autumn planting (October – November)	February – May	30–50 cm	orange, mixed
Outdoors in mild climates (October – November)	March – May	25–40 cm	pink, white
Outdoors in cooler climates (February – March)	May – July	25–40 cm	red, yellow

Key facts

Planting season	autumn in greenhouses and mild climates; February – March outdoors in colder regions
Pre-treatment	soak the corms in water for a few hours
Planting depth	3–5 cm, claws down
Spacing	approx. 10–15 cm
Flowering	February – July, depending on planting time and climate
Position	full sun, airy and well-drained soil
Hardiness	not hardy; protect from night frost
Toxicity	all parts are toxic if eaten; the sap can irritate the skin

View all ranunculus in the webshop. Business customers see prices after logging in. Our current catalogues are on the Downloads page. For a quotation, please contact us.