Yellow Archangel 'Florentinum'

Lamiumgaleobdolon subsp. montanum

Family
Lamiaceae (lay-mee-AY-see-ee)
Genus
Lamium (LAY-mee-um)
Synonym
Lamiastrum galeobdolon
Sun Exposure
Sun to Partial Shade
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 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
Groundcovers
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
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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

Alameda, California

Amesti, California

Clayton, California

Corralitos, California

Elkhorn, California

Fairfield, California

Interlaken, California

Knights Landing, California

Magalia, California

Pajaro, California

Watsonville, California

Chicago, Illinois(2 reports)

Newburgh, Indiana

Pinconning, Michigan

Lees Summit, Missouri

Santa Fe, New Mexico

Staten Island, New York

Enid, Oklahoma

Osceola Mills, Pennsylvania

Emory, Texas

Alexandria, Virginia

Bellingham, Washington

Augusta, Wisconsin

show all

Featured Videos

Gardener's Notes:

4
positives
1
neutral
0
negative
Sort By:
Sort By:
O
Enid, OK (Zone 7a) | May 2011 | positive

This plants grows vigorously in our zone in full shade. It is nice to have a ground cover that is so pretty and grows in full shade. It...Read More

J
Dallas, GA (Zone 7b) | April 2010 | positive

I love this plant. Mine is growing in very dry shade and it is thriving. It will tolerate our kids and very active dogs {Boxers} and nev...Read More

G
Everson, WA (Zone 7b) | March 2009 | positive

One of the most invasive plants I've ever seen in my life...EVER, and I have EVERYTHING.

If something wants to live this b...Read More

P
Freedom, CA (Zone 9b) | October 2008 | positive

This is a great little fast growing vine which can be used as either a hanging houseplant, hanging basket planter outside, or a groundcov...Read More

B
B
Baa
| January 2003 | neutral

A vigorous cultivar that increases rapidly and can become invasive.

Has ovate to diamond shaped, toothed leaves that have ...Read More

Featured
Long-tailed Skipper
(Urbanus proteus)
Great Crested Flycatcher
(Myiarchus crinitus)
Featured
Long-tailed Skipper
(Urbanus proteus)
Great Crested Flycatcher
(Myiarchus crinitus)