Kalwerbossie, Rabassam, South African Geranium

Pelargoniumsidoides

Family
Geraniaceae (jer-ay-nee-AY-see-ee)
Genus
Pelargonium (pe-lar-GO-nee-um)
Species
sidoides (sih-DOY-deez)
Synonym
Sun Exposure
Full Sun
Foliage
Evergreen
Shiny/Glossy
Succulent
Height
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color
Rose/Mauve
Bloom Time
Late Spring/Early Summer
Other Details
Category
Alpines and Rock Gardens
Tropicals and Tender Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Bronze
Where to Grow
Can be grown as an annual
Suitable for growing in containers
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From softwood cuttings
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Tuscaloosa, Alabama

Calistoga, California

Davis, California

Escondido, California

Lake Forest, California

Livermore, California

Long Beach, California

Los Angeles, California

Northridge, California

San Francisco, California

San Jose, California

Stanford, California

Portland, Oregon

Austin, Texas

Seattle, Washington

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Gardener's Notes:

6
positives
1
neutral
0
negative
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E
Paradise Valley, AZ | August 2025 | neutral

Have not seen this plant at local nurseries, but will continue to look for as it should do well in Phoenix metro.

O
Livermore, CA | April 2013 | positive

Unlike other pelargoniums that get nipped when temperatures fall into the 20s, this one stays green through the winter. It also withstan...Read More

A
Green Cove Springs, FL (Zone 9a) | August 2010 | positive

Wonderful plant in southern California! Clumps readily, easy to divide and spread or share, but easy to keep controlled as well. Great ...Read More

L
Seattle, WA | June 2009 | positive

I bought two of these plants last spring; the dusty, gray/mauve of the leaves and the beautiful, dark flowers were a wonderful addition t...Read More

S
Long Beach, CA | February 2009 | positive

Grows wild in South Africa, has almost been extinguished there because the natives harvest it for the drug manufacturers for its strong a...Read More

C
(Zone 9a) | October 2006 | positive

I have had this for years now, in a couple of places as I rooted a piece from the original plant. When it gets too big and woody, I cut i...Read More

P
(Zone 8a) | November 2004 | positive

One of my favourite species Pelargoniums. The silvery leaves are very attractive in their own right, but the flowers are unusually dark a...Read More

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