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Approximately 500.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Physostegia virginiana Rose Queen is cold hardy
USDA Zone:4 -30° to -20°F (-34.5° to -29°C)
|Type of plant - perennial
Flower or inflorescence:
|Height, in meters: 0.7
Height, in feet: 2.31
|Physostegia virginiana Rose Queen sales history
Physostegia virginiana Rose Queen
is included in the following
B and T World Seeds flowering plant categories.
|6||: Bulbous and Rhizomatous Plant Seed List|
|43||: Herbaceous Border Plant Seed List|
|44||: Cut flowers Commercial and other Recommended Varieties|
|86||: Natives of U.S.North East|
|89||: Natives of U.S.South East|
|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.|
|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.
Physostegia virginiana Rose Queen seeds will usually germinate in 21-30 days.
Reduce soil temperature at night.