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B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Arisaema costatum is cold hardy
USDA Zone:7 0° to 10°F (-17.5° to -12.5°C)
|Type of plant - perennial
Flower or inflorescence:
spathe RED-PURPLE, WHITE striped
3 lfts. to 40cm. long
|Height, in meters: 0.5
Height, in feet: 1.65
|Arisaema costatum seeds may be subject to seasonal availability
is included in the following
B and T World Seeds flowering plant categories.
|6||: Bulbous and Rhizomatous Plant Seed List|
|9||: Alpine and Rock Garden Seed List (Hardy and Tender)|
|31||: House and Container Plant Seed List|
|38||: Indian Native and Introduced Plants|
|43||: Herbaceous Border Plant Seed List|
|131||: Toxic Plants|
|Some of the deadliest known poisons are found in plants. Some major food plants, eaten by millions of people every day, have toxic parts.|
|141||: Nepalese Native and Introduced Plants|
|165||: Shady Condition Plant Seed List|
|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.
Arisaema costatum seeds will usually germinate in 30-180 days, even under good conditions germination may be erratic.