Your Guide To Planting And Cultivating Ranunculus


Emma DowneyByEmma Downey
Updated on 10/4/2022

The ranunculus flower's appearance is almost too picture-perfect to be genuine. The petals of its rose-like blooms are as thin as tissue, and their hues range from white and mild yellow through apricot, pink, orange, red, and burgundy. The gorgeous blossoms of ranunculus are a mainstay of both high-end florist shops and the flower arrangements used in bridal bouquets, even though they are not commonly seen in home gardens.

If you enjoy ranunculus, you might want to give cultivating your own a go. You may enjoy these gorgeous blossoms indoors as cut flowers and outside in flower beds, borders, and container plantings, thanks to the fact that the corms can be planted in pots or the yard. Browse this HUB for our variety of ranunculus.

Beginning With A High-Quality Plant

The ranunculus plant begins its life as a corm that looks like a little claw. Large corms, as opposed to smaller ones, have a greater capacity to store food and energy, which will result in a healthier plant that bears more blossoms. The ranunculus corms that are supplied by Longfield Gardens measure between 6 and 7 centimeters in diameter, allowing you to enjoy the largest and most vibrant flowers possible.

Make A Strategy For Victory


Ranunculus are plants that thrive in cooler climates and require a lot of sunlight during each day of their growth. They need a lot of the sun and should be planted in almost all climes. During the warmest portion of the day, kids might want some sun protection if they live in a hot environment.

  1. Hardiness Zone: Ranunculus corms are winter hardy in growth zones 8-10, which do not experience temperatures lower than 25 degrees Fahrenheit. Gardeners in these regions plant ranunculus corms in the fall so that they will bloom in the spring. The only way for ranunculus to survive the winter outdoors in areas with colder climates (hardiness zones 4-7) is if they are cultivated inside of a greenhouse or beneath a floating row cover. Gardeners in these regions can plant ranunculus corms in the latter part of winter or very early spring to get flowers in the early summer.
  2. Conditions of the Soil: Ranunculus corms should be planted in soil that is light and has good drainage for the best possible outcomes. When the soil is too wet, the corm and the roots of the plant might rot. When growing ranunculus in pots, it is essential to use a high-quality growth mix that does not include soil and to shield the bulbs from an abundance of wetness throughout the winter.

Due to the fact that the foliage of ranunculus plants is especially prone to the development of powdery mildew, it is essential to ensure that there is adequate air circulation within and all around the plants. Utilize drip irrigation or water the plant early in the day to ensure that the leaves will remain as dry as possible. Take care not to crowd the plants too much.

Where To Put Ranunculus Flowers


Ranunculus are flowers that bloom throughout the chilly seasons and do best in temperatures that are similar to spring, around 55 degrees Fahrenheit. Planting the corms in the fall in warm areas (zones 8–10) causes the bulbs to blossom in late winter or early spring. You may grow ranunculus in cutting gardens, container gardens, and beds and borders. Primroses, pansies, and larkspur are some of the other spring flowers that pair well with crocuses. Crocuses are a member of the crocus family.

In regions (zones 4-7) where ranunculus is not able to survive the winter, the corms are often planted in the late winter or very early spring in order to have blossomed in the early summer. Home gardeners in these regions typically cultivate ranunculus in pots rather than in the ground of their gardens. Controlling the amount of light and moisture in the soil is simplified when using containers. Typically, flower farmers and other types of commercial producers would cultivate ranunculus in a greenhouse. Controlling the air temperature and the amount of light that the plants are exposed to is essential in order to produce beautiful flowers. When ranunculus are grown in a greenhouse or under low tunnels, the bulbs are either planted in the fall for blooms in the late winter and early spring or in the late winter for beautiful flowers in the spring and early summer.

 Both of these flowering times are dependent on when the bulbs are placed. While ranunculus corms are in their dormant state, they are tough and dry and are best planted when they are in this state. You can increase the likelihood that they will sprout if you soak the corms in water at room temperature for a few hours before planting them. Soak them for three to four hours (but not any longer!). A trickle of water should be run from the faucet into the bowl every so often to avoid the water from growing stagnant while it is being used for soaking.


After being submerged in water for some time, the corms should be pre-sprouted before being planted in the ground or in containers. Spread roughly one ounce of seeds on the bottom of a seed tray, "a growth medium that is moist. On top of the mixture, arrange the corms that have been soaked in water before so that they are in close proximity to one another "consisting of moist growth mix. Ten days later, at a temperature between 50 and 60 degrees Fahrenheit, remove the tray from the location where it was stored. Once white roots have emerged from the corms, they are ready to be planted. This article, "10 Tips for Growing Ranunculus," includes pictures that show the soaking and sprouting processes.

Plant the corms in garden beds at a depth of 2 inches and a distance of 5 to 8 inches between each one, with the claw side facing down. You may plant the corms in containers with as few as six of them "apart, but not too far apart, so as to avoid crowding. We recommend planting one plant per 8-inch pot, two plants per 12-inch pot, and three plants every 18-inch pot "pot. Because ranunculus doesn't have a massive root system, you may get away with a shallow planting depth.

The Things That May Occur


The ranunculus flowering period usually lasts for around 90 days following planting. Once blossoming begins, you may anticipate getting blooms for a period of between four and six weeks.

Each ranunculus plant will create a substantial root ball when given optimal growth circumstances. If you are growing ranunculus in pots, you need to make sure that you provide the roots with plenty of room to spread out so that the plants may develop to their maximum potential.

Cut ranunculus flowers as soon as their buds begin to show color for bouquets that will endure much longer.

Maintenance Of Ranunculus Once They Has Bloomed

In zones 8–10, ranunculus is able to survive the winter. Make sure that the plants are planted in soil that has excellent drainage if you want them to return for a second year. This will help the plants to thrive. Keep in mind that some plants cannot stand the heat of the summer. Conditions that are cool and coastal are perfect.

In regions with cooler climates (zones 4-7) or in locations with less-than-ideal growth circumstances, ranunculus is typically grown as annuals and has new bulbs planted each year in the spring.