Yellow Archangel 'Silver Spangled'

Lamiumgaleobdolon

Family
Lamiaceae (lay-mee-AY-see-ee)
Genus
Lamium (LAY-mee-um)
Species
galeobdolon (gay-lee-OB-doh-lon)
Synonym
Lamiastrum galeobdolon
Galeobdolon luteum
Sun Exposure
Light Shade
Foliage
Grown for foliage
Herbaceous
Good Fall Color
Height
6-12 in. (15-30 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color
Bright Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
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
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

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

Elgin, Illinois

Washington, Illinois

Saginaw, Michigan

Delano, Minnesota

Manorville, New York

Selden, New York

Columbus, Ohio

Williamsburg, Ohio

Green Bay, Wisconsin

show all

Featured Videos

Gardener's Notes:

3
positives
0
neutral
1
negative
Sort By:
Sort By:
D
Elgin, IL (Zone 5a) | May 2012 | positive

I moved into a house in which other invasives ran wild, but I only have a handful of these plants. I must have a type that is not invasive.

J
Sedro Woolley, WA | March 2012 | negative

This plant in our area of Western Washington is insidiously invasive and should not be used or sold. Many populations now spreading throu...Read More

D
Saginaw, MI | August 2008 | positive

Planted as seedling on side of house facing east.

Watering is limited purely from rain water. Three years later plant is ...Read More

G
(Zone 5a) | February 2006 | positive

A good shade plant with interesting foliage for dry areas. Not as invasive as some forms of Lamium. In fact, in my experience, it stays i...Read More

Featured
Northern Paper Wasp
(Polistes fuscatus)
Taveta Golden Weaver
(Ploceus castaneiceps)
Featured
Northern Paper Wasp
(Polistes fuscatus)
Taveta Golden Weaver
(Ploceus castaneiceps)