B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Haworthia retusa is cold hardy
USDA Zone:9 20° to 30°F (-6.5° to -1°C)
|Type of plant - perennial
broad glassy leaves
|Haworthia retusa sales history
Synonyms (alternative names) for Haworthia retusa:
Common names for Haworthia retusa:
|(prov. typ. Kimberley),|
is included in the following
B and T World Seeds flowering plant categories.
|26||: Succulent Plant Seed List|
|37||: South African Native and Introduced Plants|
|43||: Herbaceous Border 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.
Haworthia retusa seeds will usually germinate in 21-60 days.