Approximately 10000.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
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B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Hypericum perforatum is cold hardy
USDA Zone:3 -40° to -30°F (-40° to -34.5°C)
|Type of plant - perennial
Flower or inflorescence:
YELLOW, 1.5-3.5cm. dia., stellate (drill 2-6 kg.-ha)
capsule......(sow on moist sandy soil in Spring, seeds need light to germ.)
narr. ovate., 8-30mm. long, glossy...nice border plant
|Height, in meters: 1.1
Height, in feet: 3.63
|Hypericum perforatum seeds may be subject to seasonal availability
| Parts of Hypericum perforatum are considered toxic.
Synonyms (alternative names) for Hypericum perforatum:
|Hypericum perforatum v perfora,|
Common names for Hypericum perforatum:
|(tox:hypericin & hyperforin, phenolics, terpenoids, (tox:WHO III), Bassant, Binbirdelikotu, Common St. John's Wort, Eala bhuidhe, Eala bhuidhe, Fleur de Notre Dame, Goatweed, Herbe de St.Jean, Herbe Sanctae Mariae, Hiperico, Johanneskruid, Johanniskraut, echtes, Klamath Weed, Millepertuis perfore, Perforate St. John's Wort, St. John's-Wort, St.John's Grass, St.John's Wort, St.Johns Wort, Tipton Weed, Tupfel- Johanniskraut,|
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.
|12||: British Native Wild Flowers Shrubs and Trees|
|34||: Oriental Herb and Vegetable Seed List|
|Not all Oriental Herbs are Culinary, or even edible. Be sure to correctly identify and prepare all herbs and vegetables before use.|
|36||: Herb Seed List Culinary Medicinal Dye and Aromatic|
|Not all medicinal, dye or aromatic plants are edible, some are toxic if eaten and others are dangerous if applied to the skin. Please check uses for plants.|
|38||: Indian Native and Introduced Plants|
|43||: Herbaceous Border Plant Seed List|
|51||: Chinese Native and Introduced Plants|
|75||: Natives of Asia Minor and Introductions|
|77||: Central European Native and Introduced Plants|
|79||: North African Native and Introduced Plants|
|106||: Central Asian Native Plant Seed List|
|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.|
|719||: North American Native Ethnobotanicals|
|Including medicinal, dye, fiber, food, construction, ritual|
|952||: Wholesale Selection|
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 perforatum seeds will usually germinate in 30-90 days, even under good conditions germination may be erratic.