Tips for Growing Geraniums Indoors

Geraniums are often considered an outdoor plant, but they can also thrive in indoor containers. Geraniums come in many shapes, sizes, colors and even smells, so it is easy to find variety that fits your interior landscaping needs.

Scented Geraniums

Scented geraniums have leaves that mimic the smells of other botanicals. The scent is released by rubbing the leaves between your fingers. There are varieties that smell like roses, fruits, such as lemon and lime, spices, mints, and pines. Scented geraniums are not grown for their flowers, but they do produce small colorful flowers. For more information about specific varieties of scented geraniums see this thorough post from Mother Earth Living.

Ivy Geraniums

Ivy Geraniums are trailing geraniums that are well suited for hanging baskets, wall sconces and window boxes. These plants can also be trained to grow up a trellis. Most ivy geraniums have large flowers that come in white, pink, purple, orange, and red. Guide to Houseplants suggests looking for the species Pelargonium peltatum to ensure you are purchasing a trailing geranium. The article recommends the cultivar ‘Mauve Beauty’ for its beautiful double flowers.

Martha Washington Geraniums

Martha Washington geraniums are also known as lady geraniums. They are specifically an indoor plant because they have a difficult time growing in a warmer temperatures. They will only bloom once if the temperature rises above 70 degrees. In cooler, indoor conditions the plant will thrive and continue to produce blooms.

Common Geraniums

Common geraniums are the geraniums typically used as bedding plants. They will also thrive planted in indoor containers. The Clemson Cooperative Extension claims they are known for their beautiful foliage that comes in silvers, greens and green with white. The flowers are typically pink, red or white and will bloom continuously when well cared for.

Potting

Geraniums like plenty of space to grow and the plants can grow quite large, so be sure you have plenty of space for a large container. The container must encourage good drainage. The Clemson Cooperative Extension suggests using a potting mix that is equal parts garden loam, peat moss and course sand. Geraniums prefer to dry a bit between waterings. The Clemson Cooperative Extension recommends letting the potting medium dry to a depth of up to 6 inches in between waterings.

Light

Geraniums like plenty bright sunlight. Providing as much light as possible will encourage growth and flowering. Garden Guides points out that Martha Washington geraniums will fade in too much direct sunlight. A sheer curtain over the window, or simply moving the plant a few feet away from the window during full sun hours will prevent damaging these geraniums.

Fertilizer

To encourage healthy growth and continuous blooms Garden Guides suggests adding liquid fertilizer every other month during the spring and summer months. Instead of liquid fertilizer, you can use a slow release fertilizer, such as Osmocote, added directly to the potting medium.

Adding Color

Geraniums are an excellent way to add mounds of color to your indoor landscaping. With enough bright light you can include vibrant attractive flowers in you indoor arrangements throughout the year. What varieties of geraniums have you grown indoors?

Photo “Geranium Cascade” courtesy of Secret Tenerife

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