Plectranthus Species, Brazilian Coleus, Silver Spurflower, Silvery Plectranthus

Plectranthusargentatus

Family
Lamiaceae (lay-mee-AY-see-ee)
Genus
Plectranthus (plek-TRAN-thus)
Species
argentatus (ar-jen-TAY-tus)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Grown for foliage
Height
12-18 in. (30-45 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
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)
Danger
N/A
Bloom Color
Light Blue
White/Near White
Bloom Time
Blooms repeatedly
Other Details
Category
Tropicals and Tender Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Bronze
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From herbaceous stem cuttings
From woody stem cuttings
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Allow seedheads to dry on plants; remove and collect seeds
Regional

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

Alameda, California

Clayton, California

Fairfield, California

Hayward, California

La Jolla, California

Los Angeles, California

San Diego, California

San Jose, California

San Leandro, California

Santa Ana, California

Fernandina Beach, Florida

Orlando, Florida

Port Saint Lucie, Florida

Gainesville, Georgia

Davenport, Iowa

Somerville, Massachusetts

Spring, Texas

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Gardener's Notes:

5
positives
0
neutral
0
negative
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B
Hayward, CA | July 2015 | positive

I didn't even buy this plant..it showed up no doubt as a seedling in a botanical garden purchase. So,slightly invasive.

...Read More

J
Fernandina Beach, FL | April 2015 | positive

The cultivar Plectranthus 'Nancy Carter' over winters in Northeast Florida. It will overwinter better under protected canopy and part-su...Read More

S
S
Somerville, MA (Zone 6b) | May 2008 | positive

I first grew this plant last year, ordering it from Select Seeds (which taught me to call it by the common name "Quicksilver"), and now I...Read More

D
Syracuse, NY (Zone 5a) | February 2003 | positive

Last spring a seedling of this plant from an unknown source started growing in my lavander cuttings, I've been trying to identify it for ...Read More

J
J
Oakland, CA (Zone 9b) | November 2002 | positive

This grows well in Zone 9 Nor. Cal coastal. Easily damaged by winds due to very brittle branches. Grows very fast but does not take trans...Read More

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