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B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Erysimum asperum is cold hardy
USDA Zone:4 -30° to -20°F (-34.5° to -29°C)
|Type of plant - bulb or plant, depending on season
Flower or inflorescence:
frag. COPPER-ORANGE to YELLOW
3-12cm., lin.-lance., ~hairy
|Height, in meters: 1
Height, in feet: 3.30
|Erysimum asperum sales history
| Parts of Erysimum asperum are considered toxic.
Synonyms (alternative names) for Erysimum asperum:
Common names for Erysimum asperum:
is included in the following
B and T World Seeds flowering plant categories.
|1||: Stock list|
|Our stock changes almost every day, with seeds arriving and being shipped all over the world.|
We only stock long lived seeds, except for a few species that are always in demand.
Seeds that are not in stock are acquired fresh when ordered.
|43||: Herbaceous Border Plant Seed List|
|55||: Fragrant or Aromatic Flower or Foliage Plant Seeds|
|76||: Californian Native Plant Seed List|
|86||: Natives of U.S.North East|
|87||: Natives of Central U.S.A.|
|185||: Plant Species whose germination is improved by Smoke|
|"Smoke" contains a butenolide compound produced by certain plants when heated, it speeds up or starts the germination of seeds from many different genera.|
|719||: North American Native Ethnobotanicals|
|Including medicinal, dye, fiber, food, construction, ritual|
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.
Erysimum asperum seeds will usually germinate in 10-14 days.
Sow in seed bed, prick out 15cm apart, plant October.