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Geranium types

There are three general categories of geraniums: zonal, ivy-leaf and regal. Most geraniums are available in many colors with the exception of true blue or yellow.

The zonal geranium (Pelargonium x hortorum) is a hybrid between P. inquinans and P. zonale. The zonal geraniums have leaf margins that are often scalloped, zoned or variegated and have a heavy odor when bruised. Zonal geraniums can be grown from cuttings or seed.

The ivy-leafed geranium (Pelargonium peltatum) has a more vine-like growth habit and the leaves often have a more wax-like appearance. Often the flowers are smaller and the leaves are ivy-like.

Regal geraniums (Pelargonium x domesticum) have stiff, crinkled leaves on upright, shrubby plants. The flowers are more azalea-like and plants prefer cooler temperatures.

For more information, see the following Colorado State University Extension fact sheets(s):

• Attracting Butterflies to the Garden
• Tobacco (Geranium) Budworm
• Preventing Deer Damage
• Native Herbaceous Perennials for Colorado Landscapes
• Rock Garden Plants
• Perennial Gardening
• Herbaceous Perennials

For more information, see the following Planttalk Colorado™ script(s).

• Alpine ivy geraniums
• Tobacco Budworm