Geranium, plant and maintain geranium,

Geranium, plant and maintain geranium,

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The perennial geranium, beautiful and easy in the garden!

Geranium has been one of the stars of the past decade. Every year, nurserymen offer new varieties. But don't be fooled and don't hurry! Each of the perennial geraniums will have advantages and rarely disadvantages. And it is better to take your time because once cultivated in the garden, the geranium will stay there for a long, long, long time ...

Flowering, I should rather say "flowering" because geranium flowers twice a year: from spring to summer and then in the aftermath it blossoms again from summer to autumn. Generally very floriferous, it covers the beds in an explosion of rather magnificent flowers. Be careful, however, place it where it will not shade another flowering plant, it would be a shame, because a perennial geranium is able in 1 year to cover 1 m2.

Do not confuse it with the pelargonium called "balcony geranium" which is a frost plant.

Botanical name:

Geranium spp.

Type of plant

Family : Geraniaceae
Pace : perennial
Foliage : persistent
Rooting : roots
Exposure : sun, (partial shade possible)
Ground : Fresh and humus
Origin : Balkans


• Cold resistance: very hardy -20 ° C
Flowering : Abundant, 2 flowering periods in spring and autumn)
Interview : Very easy
• Do not confuse with the pelargonium (balcony geranium)

Description of perennial geranium:

There are over 500 species and varieties of geraniums. Usually the flowers are 4 to 5 cm in length, they are cup-shaped at the end of a long stalk that positions them above a fairly cut foliage. There are also many colors from white, to purple, to black or red. You will understand, you will have the choice or even the embarrassment of choice!

What an exposure for the perennial geranium

• Sun and partial shade

What soil?

• Fresh and humus

Method of multiplication?

Seedlings, cuttings are an effective way to propagate perennial geraniums.

When to sow perennial geranium

• From March and April, possibly under warm shelter.

How to sow?

A word from the amateur gardener:

Perennial geraniums are one of those flowers whose seeds are already large enough. They are ideal for growing them directly in pots. There are several advantages to practicing this way. Indeed, these geraniums grown in pots will not be handled, and in fact, we will avoid damaging the roots in a transfer between the box and the bucket which is done in a classic culture in terrine…. 2nd effect, at the right time it will suffice to transfer the root ball to the earth.

• Fill medium-sized cups almost to the brim with seed compost, but leave 1 cm free at the top.
• Water. (wet earth not sip)
• Make 2 holes and,
• Place 2 seeds.
• Cover with seedling soil to the top of the bucket.
• Keep the cups in a dark place until they have emerged.
• Throughout this period, check that the soil is very moist.
• When the lift is there, place them in the light.
• Only save the best, strongest plants for planting when they are 10 to 15 cm tall and have a few leaves.

When to plant geranium?

• In spring, from the end of March and in autumn, in October.

Gardener's Info:

• After planting, water the geranium base on a regular basis.
• Throughout the year, remove withered flowers and yellowed leaves.

How to plant geranium?

In the ground:

Prepare the soil:
• Dig to the depth of a spade and 35 cm wide
• Place some pebbles or gravel at the bottom to improve soil drainage.
• Add a mixture of mature compost and garden soil.
Prepare the perennial geranium plant:
• Remove it from the pot, break up the root ball and scratch the soil to free the roots.
• Dip it in a bucket of water.
Place the geranium.
• It must have room to deploy
• Position the plant.
• Fill in the spaces with the compost and soil mixture.
• Tamp down well with the foot or back of a rake.
• Do not bury the snare.

In pot (40 to 50 cm in diameter):

• At the bottom of the pot, plank a gravel lees.
• Prepare a 50% compost and soil mixture.
• Scratch the root ball of the perennial geranium to be replanted.
• Place it in the center
• Tamp, water.

2 flowering periods:

• April to June
• July to September

Maintenance of perennial geranium:

• Very little maintenance: remove faded flowers that unnecessarily "pump" energy. • Sometimes the leaves turn yellow: Also delete them.
• Watering: summer, especially if the geranium enjoys a sunny exposure.

Some varieties

• Perennial geranium "Claridge Druce" : is a very vigorous geranium, which forms tufts of greyish green leaves, sometimes rather broad glossy. Its flowers are pink, with more dense pink veins. It is a "ground cover" geranium.
• Perennial geranium "Biokovo": Here is a compact variety of geranium, resulting from a cross between Geranium dalmaticum and Geranium macrorrhizum! This geranium spreads slowly, in runners (long creeping stems), and produces pink, purple or white flowers. In the fall, its leaves naturalize nicely with beautiful fall colors.
• Perennial geranium 'Johnson's blue': This is the common, easy geranium, with royal blue flowers, very jagged foliage, and very rapid development. It grows en masse… Where it literally covers the ground.
• Perennial geranium “Catherine Deneuve” ® : IF yes, here is a superb geranium, yes, it is not given to everyone by Air Catherine Deneuve in the garden, is it? Magenta red star flowers with dark purple veins. A creation by Thierry and Sandrine Delabroye. It is a variety with a creeping habit, which enjoys more abundant flowering in spring than in summer.

And even…
• Perennial geranium macrorrhizum
• Perennial Himalayan Geranium
• Perennial geranium 'Patricia'
• Perennial geranium psilostemon
• Perennial geranium

Agrees with

• Roses, grasses, asters, achileae

With or without a garden ...

In the garden : in massif, in rockery, on the edge ...
Without garden: Potted on the terrace or balconies

We recap

• Perennial, evergreen foliage.
• Flowering: 2 spring and summer blooms
• Color: white, yellow, pink, red,…
• Soil type: well drained, rich and fresh
• Planting: in the ground or in a pot
• Maintenance: Regular watering especially in summer and sunny exposure
• Use: geranium, in beds, in rockery, in flower beds, in pots, etc.

Photo CC BY-SA 3.0.

Quick sheet:

Geranium (Pelargonium)

Summer star of our balconies and our gardens, the geranium (Pelargonium) seduces with its colorful and abundant flowers, enhanced by dense foliage. Native to South Africa, this plant of the Geraniaceae family, whose real name is Pelargonium, is divided into 230 species. Find out how to grow it on your balcony or in the garden.

  • Scientific name :Pelargonium
  • Family: Geraniaceae
  • Varieties: Pelargonium x domesticum, Pelargonium x peltatum, Pelargonium inquinans, Pelargonium blandfordianum
  • Flower color:White flowers, Pink flowers, Red flowers, Purple flowers, Orange flower, Multicolored flowers
  • Plantation:Planting in May
  • Exhibition:Sun, Partial shade
  • Soil type: Rich, Drained
  • Use :In a pot, In a planter, On the border, In a bed
  • Flowering:Flowering in April, Flowering in May, Flowering in June, Flowering in July, Flowering in August, Flowering in September, Flowering in October
  • Foliage:Persistent
  • Diseases, pests: Weevils, Leafhoppers, Root Mealybugs, Aphids, Caterpillars, Thrips, Fly, Gray rot, Blackfoot, Whitefly, Rust.
  • Watering: Abundant in summer
  • Longevity: Perennial
  • Height: 25-100 cm
  • Medicinal virtues: Anti-diarrheal plant, Anti-inflammatory plant, Plant that repels mosquitoes
  • Symbolic: Geranium symbolizes friendship

Storing your geraniums: what methods are available to you?

Actually called pelargonium, the garden geranium is a subtropical plant. If you have grown it during the summer months, there are several options available to you. The first is radical. You can just leave it freeze outdoors. You will then have to buy a new plant afterwards. If however you wish to see bloom again your geranium, you can do it winter indoors. This method works for plants in a planter just like for those in full ground. Finally, it is also possible to cultivate your plants indoors.

Geranium maintenance

  • Allow the soil to dry out to some extent between waterings, then water thoroughly.
  • During the winter, water much less, but don't let the roots dry out completely. Geraniums perform best when they receive a period of dormancy during the winter months, during which they use less water and do not grow much.
  • To encourage flowering, dead flowers are removed.
  • To promote the bush, pinch the stems.
  • During the months of active growth, fertilize every 2 weeks. Use a half strength water soluble fertilizer. Do not fertilize in winter.
  • Geraniums can be repotted as needed in the spring to refresh.

Wintered ivy geraniums emit new shoots before the end of winter. Is it too early?

For botany these “geraniums” are pelargoniums like the others but which you grow in a poorly heated interior in winter. Proceed in the same way as with the "king of balconies" and other "zonal", in October or November depending on your region.
Perform cleaning size one “flower” day, of ascending moon (rising), removing the vestiges of the last flowers, and shortening the branches a little (pinching them).

To determine this day, refer to the lunar calendar. Then reduce watering, they need 2 months of rest.
At the end of winter, in March, cut back the old wood, and cut the remaining branches in half. Also on an ascending moon “flower” day.
Surfacer, resume watering and add a little organic fertilizer.

In the ground or in pots, the geraniums will be planted in well-drained soil, in a light mixture consisting of half of leaf potting soil and good garden soil. Choose a sunny exposure.

- Zonal Pelargonium (called zonal geranium): have an erect bushy habit and round leaves with a darker central area. The flowers, white, red, pink are double, semi-double or single with 5 petals.

- Pelargonium x hederaefolium (or ivy geranium): have a drooping habit, shiny leaves resembling those of ivy. Their flowers are grouped in large umbels, standing out clearly above the foliage.

- The regale Pelargoniums (or large-flowered pelargonium): are bushy, with very indented leaves and voluminous and colorful trumpet-shaped flowers, sensitive to rain.

- Pelargonium odoratissimum : have small flowers, often irregular and star-shaped, with fragrant foliage.
For pots or hanging baskets, ivy geraniums will have a great effect. In planters, make a mixture of zonal geraniums, ivy geraniums and regale geraniums with different colors or not. The fragrant geraniums can be used alone in the house or in a veranda or in beds.

How to maintain your Geranium?

Geranium is a hardy plant that requires little maintenance, however we give you some tips for taking care of your flowers.

Planting and exhibition of Geranium

Planting and repotting geranium is done in early spring when there are no more frosts or in summer with good watering. To enjoy good flowering, we advise you to choose a very sunny location, preferably full sun. Whether in a pot or in the ground, it is important to plant your geranium in rich, light and well-drained soil. Flower soil and sand will do just fine. You can also mulch the plant to limit watering.

How to water your Geranium?

Geranium is a plant that requires regular watering, count 2 waterings per week in summer for geranium in pots or planters, and one watering per week for geraniums in the ground. When winter comes, watering must be reduced. You can water your geranium as soon as the substrate becomes dry, it is advisable not to wet the leaves and flowers when watering to avoid damaging the plant.

How to prune your geranium and protect it from frost?

The size of the geranium is very simple, like all flowers you just have to cut the faded flowers to have an abundant flowering. Regarding frost, geraniums in the ground tolerate the cold, however we advise you to bring your geraniums in pots as soon as the temperatures drop below 5 degrees.

Protect your Geranium from attacks and diseases

A geranium is a very robust plant and its hardiness helps prevent many attacks, however if its maintenance is neglected certain diseases and parasites can appear.

  • In case of too sudden drought, the leaves may turn yellow, so be sure to water your flowering plants.
  • If the leaves of the plant turn yellow and appear weakened, this may be due to a lack of nutrition, so it is advisable to add liquid fertilizer
  • If the geranium lacks sunlight it will impact the flowering of your plant
  • When the leaves turn reddish, it is due to a cold snap, so protect your geraniums by tucking them inside or protecting them with a tarp outside
  • If your geranium is too watered, fungal diseases will appear, this gray mold must be removed from the whole plant.

So if you are looking for a flowering, easy-care plant, geranium is for you! Moreover the sowing and the cuttings of these plants is very easy!

Video: 25 Types of Geranium Plant. Geranium Varieties. Geranium Plant