B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Hypericum yakusimense is cold hardy
USDA Zone:8 10° to 20°F (-12° to -6.5°C)
|Type of plant - annual or perennial, depending on climate
Flower or inflorescence:
br.YELLOW, RED tinge, -7mm. dia.
fat RED pods
3-8mm., narr. obl., round
|Height, in meters: 0.08
Height, in feet: 0.26
|Hypericum yakusimense sales history
| Parts of Hypericum yakusimense are considered toxic.
Synonyms (alternative names) for Hypericum yakusimense:
|Hyper.kiusianum v yakusi., Hypericum pseudopetiolatum v y, Hypericum pseudopetiolatum var, Hypericum yakushimanum,|
is included in the following
B and T World Seeds flowering plant categories.
|9||: Alpine and Rock Garden Seed List (Hardy and Tender)|
|43||: Herbaceous Border Plant Seed List|
|50||: Japanese Native and Introduced Plants|
|130||: Ground cover Plant Seed List (see also List 133)|
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.
Hypericum yakusimense seeds will usually germinate in 30-90 days, even under good conditions germination may be erratic.