B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Heuchera americana is cold hardy
USDA Zone:4 -30° to -20°F (-34.5° to -29°C)
|Type of plant - evergreen
Flower or inflorescence:
capsule 4-10mm. long
ovate, to 3.5x11cm.
|Height, in meters: 0.6
Height, in feet: 1.98
|Heuchera americana sales history
Common names for Heuchera americana:
|Alum Root, Alumroot, American Sanicle, Rock Geranium,|
is included in the following
B and T World Seeds flowering plant categories.
|9||: Alpine and Rock Garden Seed List (Hardy and Tender)|
|36||: Herb Seed List Culinary Medicinal Dye and Aromatic|
|Not all medicinal, dye or aromatic plants are edible, some are toxic if eaten and others are dangerous if applied to the skin. Please check uses for plants.|
|43||: Herbaceous Border Plant Seed List|
|86||: Natives of U.S.North East|
|87||: Natives of Central U.S.A.|
|95||: Canadian Natives Central Area|
|130||: Ground cover Plant Seed List (see also List 133)|
|719||: North American Native Ethnobotanicals|
|Including medicinal, dye, fiber, food, construction, ritual|
|720||: Fire Resistant Plants|
|Different classes of resistance: some grow back, some don't burn, a few have highly inflammable leaves that leave the rest of the plant intact, some trees don't have lower branches.|
Some knowledge about growing from seed is necessary to germinate even the easiest seeds.
Most seeds require humidity to germinate, even desert plants like
require that their growing medium remains moist until germination.|
Most seeds require oxygen to germinate, if buried too deep in their growing medium, or if the medium is too wet,
the seeds may not get the oxygen they require.
Heuchera americana seeds will usually germinate in 10-60 days, even under good conditions germination may be erratic.