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B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Crassula columnaris is cold hardy
USDA Zone:8 10° to 20°F (-12° to -6.5°C)
|Type of plant - bulb or plant, depending on season
Flower or inflorescence:
frag. CREAM-YELLOW brush
(sow in autumn)
BROWNISH, stem claspg., close ranked. plant dies after flowering
|Height, in meters: 0.1
Height, in feet: 0.33
|Crassula columnaris seeds may be subject to seasonal availability
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.
|26||: Succulent Plant Seed List|
|31||: House and Container Plant Seed List|
|37||: South African Native and Introduced Plants|
|43||: Herbaceous Border Plant Seed List|
|55||: Fragrant or Aromatic Flower or Foliage Plant Seeds|
|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.|
|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.
Crassula columnaris seeds will usually germinate in 30-90 days, even under good conditions germination may be erratic.