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Geranium Care And Maintenance Tips For Growing This Popular Plant Outdoors Or Indoors

gardening advice for geranium care

Good Geranium Care is vital for long-lasting summer color of this popular bedding plant. Here are some gardening tips on how to care for Geraniums so that they will flower all summer long. These flowering plants can be grown outdoors in containers or flower beds or indoors all year round. Combine them with other annuals like Lobelias, Bacopa, Millionbells or pansies for a great summer display.

Geraniums (bot. Pelargoniums) are the most popular bedding plant I know. They give color throughout the summer months to our patios, balconies and flower beds. The many different varieties available nowadays makes them a great choice for your pots and containers, hanging baskets, window-boxes or flower beds.


Pelargoniums are available in many colors from white to red, shades of pink and purple or salmon. The flowers can be single or double. Just keep in mind that the double flowers don't cope with rain as well as the single ones do.

You have the choice between different types of geraniums: the trailing ones also called ivy-leaf Geraniums or the upright varieties referred to as Zonal Geraniums. You can grow them outdoors or indoors in conservatories or on sunny window-sills.

red geranium on window

How To Care For Geraniums

Geranium care is not rocket science. Like all other plants they need regular watering and feeding. Avoid over-watering and keeping the rootball too wet as this can cause root-rot. Use a good quality fertilizer once a week.

Choose a sunny spot for Geranium plants. They like to be in the sun for most of the day. In a shaded spot they won't produce many flowers and they tend to become leggy.

Geranium Care Tips

How To Deadhead Geraniums

Deadheading Geraniums is important to keep them flowering over a long period. It also helps to avoid fungal diseases like Botrytis, particularly in damp weather.

A lot of people make the mistake of just removing the actual flower. This way you will end up with an ugly yellowing stem. Instead remove the stalk of the flower as well. It is usually a couple of inches long. Break them off where they attach to the plant. They break off easily so there is no need to use scissors or knifes.

Growing Geraniums in Containers

Bedding Geraniums are great container plants. The upright Geraniums can be used as a center piece of a larger container. They combine very well with trailing annual flowers like Lobelia, Bacopa, Millionbells (Callibrachoa), Bidens or Verbenas.

The trailing geraniums (ivy leaf) can be grown in hanging baskets, window-boxes or tall urns. Three plants are enough for a 13 inch basket or pot. You can use a few filler plants like Lobelia, Viola or Alyssum with them.

And don't forget: regular feeding and watering is a must if you want a great looking summer display!

A Few Pretty Varieties...

Here are some of my favorite and most beautiful varieties of Pelargoniums. Just click on the links below the pictures for more information.

G. Light Pink Splash

G. Calliope Dark Red

G. Americana Pink

How To Overwinter Geraniums

For overwintering you need a glasshouse or a cooler but bright room. They need to be overwintered frost-free. The ideal temperature is between 41-47 degrees F. Keep the plants drier during the winter months. In the spring cut the plants back by about half.

This material can be used for propagating geraniums. Take cutting and insert them into potting compost. Re-pot the plants into new potting soils and start feeding and watering again.

Dealing With Pests and Diseases

Greenflies can become a problem. An organic pest spray will take care of them. An organic fungicide will help to protect your plants from fungal diseases.

Growing Geraniums Indoors

Pelargoniums are great plants for hot window-sill or conservatories. In these hot spot you often have trouble growing other house plants because they burn from the hot sun. Geraniums though tolerate that well and they flower!

Geranium care and maintenance is the same as above. Just keep in mind that the plants might require a lot of watering if they are placed on a hot window ledge.

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