B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Hypericum hookerianum is cold hardy
USDA Zone:7 0° to 10°F (-17.5° to -12.5°C)
|Type of plant - shrub
Flower or inflorescence:
-6cm.dia., YELLOW, deep cupped, 1-5 infl.
2-8cm., narr. lance-obl., pale-glauc. ben
|Height, in meters: 2
Height, in feet: 6.60
|Hypericum hookerianum sales history
| Parts of Hypericum hookerianum are considered toxic.
is included in the following
B and T World Seeds flowering plant categories.
|38||: Indian Native and Introduced Plants|
|43||: Herbaceous Border Plant Seed List|
|51||: Chinese Native and Introduced Plants|
|104||: South East Asian Native Plant Seeds|
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 hookerianum seeds will usually germinate in 30-90 days, even under good conditions germination may be erratic.