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Approximately 3570.00 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 Oenothera rhombipetala is cold hardy
USDA Zone:4 -30° to -20°F (-34.5° to -29°C)
|Type of plant - biennial, the leaves form a low rosette the first year, growing vertically and flowering the following spring.
Flower or inflorescence:
YELLOW, to 6cm., elongated spike
to 20cm., narr.-oblance.
|Height, in meters: 1.5
Height, in feet: 4.95
|Oenothera rhombipetala sales history
Common names for Oenothera rhombipetala:
|Sand Evening Primrose, Slender Evening Primrose,|
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|
|87||: Natives of Central U.S.A.|
|169||: Sandy Soil Plant Seed List|
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.
Oenothera rhombipetala seeds will usually germinate in 15-30 days.
Reduce soil temperature at night.