Geranium Species, Giant Herb Robert, Madeiran Cranesbill, Madeira Island Geranium

Geranium maderense

Family
Geraniaceae (jer-ay-nee-AY-see-ee)
Genus
Geranium (jer-AY-nee-um)
Species
maderense (ma-der-EN-see)
Synonym
Other Details
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Regional

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

Arroyo Grande, California

CARDIFF BY THE SEA, California

Carlsbad, California

Castro Valley, California

Clayton, California

Fairfield, California

Fremont, California

Hayward, California

Huntington Beach, California

Malibu, California

Mckinleyville, California

Mission Viejo, California

Monterey Park, California

Oakland, California(2 reports)

Rancho Palos Verdes, California

Richmond, California

Ridgemark, California

Salinas, California

San Francisco, California

San Jose, California

San Leandro, California

Stockton, California

Thousand Oaks, California

Lakeland, Florida

show all

Featured Videos

Gardener's Notes:

3
positives
3
neutrals
0
negative
Sort By:
Sort By:
G
Oakland, CA | August 2019 | positive

Am fond of this plant for easily filling in big holes and sprouting dramatic crown of flowers every other year. My white one has yet to b...Read More

F
WASHOUGAL, WA (Zone 8b) | May 2019 | positive

I just saw these on madeira and fell in love. Has anyone in cooler zones grown in a pot and brought inside in winter? I am in zone 7.

C
ROSLINDALE, MA | November 2014 | neutral

The Royal Horticultural Society has granted this species its coveted Award of Garden Merit (AGM).

B
Hayward, CA | February 2009 | positive

Easy to grow,hardy, and does reseed..where you want it ,leave them. It does need summer water,more than you might think-no danger it woul...Read More

S
Oklahoma City, OK (Zone 7a) | May 2004 | neutral

This giant geranium from the island of Madeira is technically a biennial. The foliage is so nice that it easy to be patient for the bloom...Read More

E
E
eje
San Francisco, CA (Zone 10a) | November 2003 | neutral

Covered with tall cheery sprays of pink-ish flowers in spring. Flowers sporadically the rest of the year. The bumble bees just love it....Read More

Featured
Epilobium Species
(Epilobium canum subsp. latifolium)
Hummingbird Moth
(Hemaris thysbe)
Mangrove Warbler
(Setophaga petechia)
Featured
Epilobium Species
(Epilobium canum subsp. latifolium)
Hummingbird Moth
(Hemaris thysbe)
Mangrove Warbler
(Setophaga petechia)