B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Hypericum hypericoides is cold hardy
USDA Zone:6 -10° to 0°F (-23.5° to -18°C)
|Type of plant - evergreen shrub
Flower or inflorescence:
YELLOW, to 3cm. dia., few in cyme
|Height, in meters: 0.75
Height, in feet: 2.48
|Hypericum hypericoides sales history
| Parts of Hypericum hypericoides are considered toxic.
Common names for Hypericum hypericoides:
|St. Andrew's Cross,|
is included in the following
B and T World Seeds flowering plant categories.
|43||: Herbaceous Border Plant Seed List|
|58||: Honduran Native and Introductions|
|62||: Mexican Native and Introduced Plants|
|68||: West Indian Native and Introduced Plants|
|86||: Natives of U.S.North East|
|89||: Natives of U.S.South East|
|109||: Central American Native and Introduced Plants|
|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.|
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 hypericoides seeds will usually germinate in 30-90 days, even under good conditions germination may be erratic.