Pelargonium x hortorum (Geranium, Zonal Geranium)
Botanical Information
Family | Geraniaceae |
Genus | Pelargonium |
Species | x hortorum |
Category | Annuals |
Type | Vine |
Details
USDA Hardiness Zone | 10 - 11 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 8a (Requires cool season protection under glass.) |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H1c - H3 |
RHS Hardiness Ref. | |
Temperature (°C) | -1 - 10 |
Temperature (°F) | 30 - 50 |
Height | 30 - 90 cm |
Spread | 30 - 90 cm |
Growth | Fast |
Flowering Period | June, July, August, September, October |
Description and Growing Information
Landscape | Group or mass in beds and borders. Edging along walks or paths. Containers, hanging baskets or window boxes. |
Propagation | Usually by stem cuttings but also via seed. |
Cultivation | Grow in average to organically rich, medium moisture, well-drained soils with a neutral to slightly alkaline pH. Water regularly throughout growing season. Best in full sun, but appreciates some light shade in the heat of the day. |
Bark/Stem Description | Brittle, trailing stems that spread to as much as 90 cm wide. |
Leaf Description | Thick, lobed, medium green, ivy-like leaves. |
Flower Description | Clusters of single or double flowers in shades of red, pink, lilac or white. |
Photographs
![Pelargonium x hortorum, flower, Royal Park Rajapruek, Mae Hia, Thailand. Pelargonium x hortorum, flower, Royal Park Rajapruek, Mae Hia, Thailand.](photos/Pelargonium-peltatum-rpr-flw2.jpg)
Pelargonium x hortorum, flower, Royal Park Rajapruek, Mae Hia, Thailand.
![Pelargonium x hortorum, flower, Royal Park Rajapruek, Mae Hia, Thailand. Pelargonium x hortorum, flower, Royal Park Rajapruek, Mae Hia, Thailand.](photos/Pelargonium-peltatum-rpr-flw3.jpg)
Pelargonium x hortorum, flower, Royal Park Rajapruek, Mae Hia, Thailand.
![Pelargonium x hortorum, flower, Royal Park Rajapruek, Mae Hia, Thailand. Pelargonium x hortorum, flower, Royal Park Rajapruek, Mae Hia, Thailand.](photos/Pelargonium-peltatum-rpr-flw5.jpg)
Pelargonium x hortorum, flower, Royal Park Rajapruek, Mae Hia, Thailand.
Pelargonium x hortorum 'Patriot Bright Red'.
Pelargonium x hortorum 'White'.
Pelargonium x hortorum 'Maverick Red'.
Pelargonium x hortorum 'Patriot Lavender Blue'.
Pelargonium x hortorum 'Pinto Premium™ Salmon'.
Pelargonium x hortorum 'Vancouver Centennial'.
Pelargonium x hortorum 'Pillar Scarlet'.
Pelargonium x hortorum 'Pillar Pink'.
Pelargonium x hortorum 'Indian Dunes'.
Pelargonium x hortorum 'Patriot Bright Violet'.
Pelargonium x hortorum 'Patriot White'.
Pelargonium x hortorum 'Patriot Rose Pink'.