All the most important and interesting about ruelia

All the most important and interesting about ruelia

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The variegated ruella is an ornamental shrub of bright colors. It grows well both in a residential building and in a winter garden, even on a warm veranda. If you love exotic beauty, choose ruelia.

Next, we will tell you what kind of plant it is, what are its varieties and what is the care, as well as what diseases and pests can destroy the flower.

Botanical description, history, appearance, and also why is it also called dipteracanthus?

Under natural conditions, ruella is abundantly distributed in South Asia, Africa and the tropics of America. It grows most often as a herbaceous plant, but shrubs and dwarf shrubs are also found. It actively branches, blooms most often with large beautiful flowers.

It is difficult to find ruella in flower shops - it is not as popular as the usual orchids, aloe and other flower crops.

But you can try to find the plant in private collections of lovers of exotic flowers.

Ruellia flowers axillary, appear on the tops of the stems at any time of the year alone, but the main flowering occurs in spring and summer. The color of the petals can be of all shades of pink, blue and purple. The flowers do not have a smell and bloom for a short time - only a few hours, from early morning to noon. After the flower falls, the seed capsule begins to ripen in the bed. Having matured, it bursts and the seeds scatter long distances around.

Named after the famous botanist from France Jean Ruelle, but also has a second name - dipteracanthus. The genus includes about 200 species, but only a few species are grown at home.

Description of the main species and varieties, photo

Next, you will get acquainted with the main types of a flower and see a photo.

Britton (Ruellia Brittoniana)

An evergreen variety with a semi-rusted stem. Its lanceolate leaves are dark green in color, but in the light they acquire an unusual blue-metallic hue. Flowers - purple, tubular, up to 5 cm in diameter.

Blue (Devosianus)

Bush profusely branched at the base. The leaves are velvety, soft to the touch, oblong, of different shades of green, covered with a dense network of veins. The flowers are funnel-shaped, painted in pink shades, have 5 oblong petals.

We recommend watching a video about Ruellia devosiana:

Caroline (Caroliensis)

This variety reaches a height of 60-90 cm, stem is erect, rigid, branched at the base. The leaf blades are oblong, lanceolate, growing in pairs opposite to each other on short petioles. Flowers are small, collected in inflorescences 2-4 at the top of the shoot. The color of the petals is pink, blue, lilac.

You might be interested in watching a video about the unpretentious Ruellia Caroliensis:


Ornamental-leaved flowering specimen with lodging stems. The leaves are soft, dark green (sometimes brown), up to 10 cm in length. The lower part of the plates can be colored burgundy.

The veins are light, the flowers are axillary, funnel-shaped, of bright pink tones.

Cultivation and reproduction

What time of year is it better to start planting?

Breeding should be done in the spring, from March to May.

How to prepare the ground

Treat light soil with neutral acidity from pests (for example, freeze it in the freezer for several days).



Not the most popular growing method.

Advantages and disadvantages

If you have ruelia growing in your house, it will not take much work to get seeds, however, their germination, according to amateur flower growers, is weak: out of three planted seeds, most often only one germinates.

How to choose and prepare seeds

The seeds can be bought at the store, bought from florists, or obtained by yourself by pressing on the seed pod until they spill out.

Pre-soak the seeds in a pale pink solution of potassium permanganate, laying them on cheesecloth and waiting 3-4 hours.


  1. Lightly tamp the seed into the soil, sprinkle with sand on top, cover the container with cling film and place it in a warm, dark place.
  2. Spray the soil with water from time to time and ventilate the makeshift greenhouse.
  3. When the sprouts appear, transfer the pots to the light, and a little later, transplant the plants into separate containers.


This is the most popular growing method.

Advantages and disadvantages

Cuttings are easy to get and always take root, unlike seeds.

Selection of cuttings
  1. Choose bare, strong cuttings 10-12 cm long with 2-3 growth points for growing.
  2. Powder the place of the cut with activated charcoal (or "Kornevin") and let it lie for a couple of hours in a dark place. The stalk must not be woody!

  1. You can root the cuttings in a plastic cup with water (to which you should add activated carbon and succinic acid), or in wet sand, organizing a greenhouse.
  2. Maintain a temperature of + 20-22 degrees under the film.
  3. When the roots appear, plant several pieces in one container - this way the bush will grow more magnificently.

Basic home care

Watering, lighting and temperature

Ruellia will grow well on an east or west window. The southern one is also allowed. But shading should be organized. Drafts in the room are not allowed. You can't smoke near ruelia either. Turn the pot over every week, with one side or the other towards the glass to avoid the lopsided stem. If there is a lack of light, use a phytolamp backlight.

It is worth noting that with a lack of light, the ruelle will not die, but its shoots will begin to grow uncontrollably and the bush will soon acquire the most unsightly look.

The temperature range in summer is within + 20-25 degrees, in winter + 16-18 degrees. Humidity is normal or high. If the air is too dry, get a special humidifier, place a pot with a bush near the aquarium. Another option: pour expanded clay on a pallet or lay sphagnum moss, put a pot and sprinkle the components abundantly with clean water 2 times a day.

Soil and pot

  1. The soil - light, friable, with neutral or close acidity, good moisture and oxygen permeability. The following composition is suitable:
    • 1 part of coarse sand, leaf and sod land;
    • 0.5 parts of peat and humus.

    Having prepared the mixture, be sure to bake it in the oven for half an hour or steam it in a water bath. If you do not want to get your hands dirty, buy a universal mixture or ready-made soil for violets at a flower shop.

  2. Pot select to your liking, but always with holes in the bottom. Do not forget to lay a drainage layer of pebbles, expanded clay or broken brick, pre-calcined in the oven.

Pruning and feeding

  • Ruella is fed during flowering with complex fertilizers for ornamental plants. Combined formulations can be used periodically.
  • Pinching - constantly. This procedure stimulates flowering and new shoot growth.
  • In the spring, you should carefully cut the branches in half and process the cuts with crushed activated charcoal or charcoal. For this, use a clerical blade treated with salicylic alcohol or a weak solution of potassium permanganate. Scissors cannot be used, they damage plant tissue too much.

How to care if the flower grows in the open field?

Hardy varieties are suitable for growing in the garden:

  • squat ruella;
  • cephalic;
  • Drumond.

But they cannot winter outside, the maximum threshold of frost resistance is -12 degrees below zero. Therefore, with the onset of cold weather, the bushes are dug up, planted in pots and transferred to a cool room, placing them away from heating appliances and vents. If there is no way to transfer, they cover it with dense polyethylene.

The plant can be planted both in lighted areas and in shallow shade, in light air-permeable soil. Plant and pinch as needed, otherwise the bushes will grow and look sloppy.

How to care for a flower in the winter season?

In winter, ruelia needs to rest and gain strength before the active growing season.

  1. Move the plant to the south window and reduce the watering frequency to 1 time in 10 days.
  2. Make sure that the roots and soil do not freeze: do not allow drafts and set the plant away from the window glass (if the window sill is very cold, place a thick wooden plank under the pot).
  3. Some varieties bloom all autumn and winter, until February, so you need to feed the plant (but if the flowering has stopped, stop and apply fertilizers).

Possible problems


  • If the tips of the leaves begin to dry, and the plate itself becomes covered with brown small spots, this indicates too low humidity in the room, or too bright light. Shade your pet from the sun and adjust the atmosphere in the room.
  • With a lack of liquid and an excess of sunlight, the leaves begin to curl and dry out.
  • If the shoots began to stretch, and the leaves and buds have lost their brightness, the plant has little light. If the natural is not enough, buy special lamps for additional lighting.


Of the pests that can harm ruelia, the most common are spider mites and whiteflies.

Spider mite

Spider mites do not exceed 5 mm in length and settle in the ground, leaf axils and along the walls of the pot. The plant becomes covered with yellowish spots, a sticky white web appears on the seamy side of the leaves.

If the plant is severely affected, it is entangled with cobwebs from top to bottom and most of its leaves are dry, destroy the bush and soil.

If ticks have just appeared, proceed as follows:

  1. Wash the plant under a warm stream of shower, having previously wrapped the pot in a plastic bag so that the earth does not become acidic.
  2. Gather the adults with your hands, helping yourself with a damp cotton swab.
  3. Treat the plant with your chosen folk remedy. For example, garlic infusion: pour 2-3 finely chopped garlic heads with a liter of boiling water, cover the container with a lid and leave in a cool dark place for 5 days, then dilute with water in a 1: 1 ratio.
  4. When folk remedies fail, seek help from acaricides. These are Aktellik, Fitoverm, Flumite, Neoron, Skelta.


Whitefly larvae attach to the underside of leaves, biting through tissue and feeding on sap, secrete a sweetish sticky liquid - a medium for the development of a sooty fungus.

  1. If there are few pests, spray the plant with warm water or use a glue trap.
  2. If the individuals managed to breed, try spraying the plant with soap or tobacco solution, infusion of yarrow, garlic, fresh dandelion.
  3. Chemicals are also allowed to be used: "Actellik", "Aktara", "Fufanon", "Karbofos", "Zeta", "Rovikurt", "Inta-vir", "Fitoverm" in increased dosage (10 ml per liter of liquid).

When treating a plant from pests, do not forget to take precautions. Protect hands, eyes and mouth, do not eat or smoke during the procedure, keep windows open and keep small children and pets away.

Due to its simplicity in care and use, many growers appreciate ruelia, and it is gradually gaining more and more popularity. The rich colors of its buds and leaves will bring a touch of comfort to both the home and work atmosphere, add sophistication and gloss to the environment. Start this overseas miracle at home and you are guaranteed aesthetic pleasure!

Watch the video: Impatiens Impatiens walleriana - Plant Identification (May 2022).


  1. Gilroy

    Instead of criticizing, advise the solution to the problem.

  2. Fekus

    Useful idea

  3. Magar

    And could it be reformulated?

  4. Greyson

    by the way, I forgot ...

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